Compact Limit Switch That's Also
Thin and Highly Sealed
• Approved by EN, UL, CSA, and CCC (Chinese standard).
(Ask your OMRON representative for information on
approved models.)
• Sealing characteristics that meet IEC IP67 degree of
protection.
• Triple-sealed construction:
Plunger section sealed via nitrile rubber packing seal and
diaphragm; switch section sealed via nitrile rubber cap;
cable entrance sealed via encapsulating material.
• Cable lengths of 3 and 5 m available on standard models.
Models also available with UL and CSA-certified cables.
• Multiple mounting possible with Switches with Plungers.
• Models with red LED indicators added to series for easy
confirmation of operation.
(Set by default to light for non-operation.)
• VCTF oil-resistant cables with CE marking.
(Applicable only to standard models.)
CSM_D4C_DS_E_10_1
Be sure to read Safety Precautions on page 13 to 14 and
Safety Precautions for All Limit Switches.
Model Number Structure
Model Number Legend (Not all combinations are possible. Ask your OMRON representative for details.)
Standard Models
D4C-@@@
(1)(2)(3)
(1) Rated Current
1: 5 A at 250 VAC, 4 A at 30 VDC
2: 5 A at 125 VAC (with LED indicator)
3: 4 A 30 VDC (with LED indicator)
4: 0.1 A at 125 VAC, 0.1 A at 30 VDC
5: 0.1 A at 125 VAC (with LED indicator)
6: 0.1 A at 30 VDC (with LED indicator)
(2) Cable Specifications
2: VCTF oil-resistant cable (3 m)
3: VCTF oil-resistant cable (5 m)
4: VCTF (3 m)
5: VCTF (5 m)
6: SJT(O) (3 m)
7: SJT(O) (5 m)
(3) Actuator
01: Pin plunger
02: Roller plunger
03: Crossroller plunger
20: Roller lever
24: Roller lever (high-sensitivity model)
31: Sealed pin plunger
32: Sealed roller plunger
33: Sealed crossroller
50: Plastic rod
60: Center roller lever
Pre-wired Models
D4C-@0@@-@@@@@@
(1) (2)(3)(4)
(1) Rated Current
1: 1 A at 125 VAC, 1 A at 30 VDC
(Without operation indicator)
2: 1 A at 125 VAC (with operation indicator)
3: 1 A at 30 VDC (with operation indicator)
1: 5 A at 250 VAC, 4 A at 30 VDC
2: 5 A at 125 VAC (with LED indicator)
3: 4 A at 30 VDC (with LED indicator)
4: 0.1 A at 125 VAC, 0.1 A at 30 VDC
(2) Cable Specifications
2: VCTF oil-resistant cable (3 m)
3: VCTF oil-resistant cable (5 m)
(3) Actuator
20: Roller lever
24: Roller lever (high-sensitivity model)
27: Adjustable roller lever
29: Adjustable rod lever
(4) Structure
P: Weather-resistant
(1)(2)(3) (4)
1
Ordering Information
Switches
Standard Switches with No Operation Indicator
Standard loadMicroload
5 A at 250 VAC, 4 A at 30 VDC0.1 A at 125 VAC, 0.1 A at 30 VDC
VCTF cable *2SJT(O) cable *3
Actuator
Pin plunger
Roller plunger
Crossroller
plunger
Roller lever
Roller lever,
highsensitivity
Sealed pin
plunger
Ratings
Cable
Cable
length
VCTF oil-resistant
cable *1
(m)
3 D4C-1201D4C-1401D4C-1601D4C-4201D4C-4401
5 D4C-1301D4C-1501D4C-1701D4C-4301D4C-4501
3 D4C-1202D4C-1402D4C-1602D4C-4202D4C-4402
5 D4C-1302D4C-1502D4C-1702D4C-4302D4C-4502
3 D4C-1203D4C-1403D4C-1603D4C-4203D4C-4403
5 D4C-1303D4C-1503D4C-1703D4C-4303D4C-4503
3 D4C-1220D4C-1420D4C-1620D4C-4220D4C-4420
5 D4C-1320D4C-1520D4C-1720D4C-4320D4C-4520
3 D4C-1224D4C-1424D4C-1624D4C-4224D4C-4424
5 D4C-1324D4C-1524D4C-1724D4C-4324D4C-4524
3 D4C-1231D4C-1431D4C-1631D4C-4231D4C-4431
5 D4C-1331D4C-1531D4C-1731D4C-4331D4C-4531
Model
VCTF oil-resistant
cable *1
D4C
VCTF cable *2
Sealed roller
plunger
Sealed
crossroller
plunger
Plastic rod
Center roller
lever
Note: 1. Models are available separately with resistance to viscous oils (oil drain holes are provided), but only with Plunger Models. Add “-M” to the model number
(example: D4C-1202 would be D4C-1202-M). Ask your nearest OMRON representative for details.
2. Switches with variable roller levers are also available. Ask your nearest OMRON representative for details.
*1. Oil-resistant vinyl cabtire cables; approved by EN and IEC.
*2. Ordinary vinyl cabtire cables; approved by EN and IEC.
*3. Switches with SJT(O) Cables (cables approved by UL and CSA) are approved by UL and CSA.
3 D4C-1232D4C-1432D4C-1632D4C-4232D4C-4432
5 D4C-1332D4C-1532D4C-1732D4C-4332D4C-4532
3 D4C-1233D4C-1433D4C-1633D4C-4233D4C-4433
5 D4C-1333D4C-1533D4C-1733D4C-4333D4C-4533
3 D4C-1250D4C-1450D4C-1650D4C-4250D4C-4450
5 D4C-1350D4C-1550D4C-1750D4C-4350D4C-4550
3 D4C-1260D4C-1460D4C-1660D4C-4260D4C-4460
5 D4C-1360D4C-1560
---
D4C-4360D4C-4560
2
Standard Switches with Operation Indicator (Red)
0.1 A at 125 VAC0.1 A at 30 VDC
Actuator
Pin plunger
Ratings
Cable
Cable
length (m)
3D4C-2201D4C-2401D4C-3201D4C-3401
5D4C-2301D4C-2501D4C-3301D4C-3501
VCTF oil-resistant
cable *1
VCTF cable *2
Model
VCTF oil-resistant
cable *1
D4C
VCTF cable *2
Roller plunger
Crossroller
plunger
Roller lever
Roller lever,
highsensitivity
Sealed pin
plunger
Sealed roller
plunger
Sealed
crossroller
plunger
Plastic rod
Center roller
lever
Note: Ask your nearest OMRON representative for information on Switching with approved international standards.
*1. Oil-resistant vinyl cabtire cables; approved by EN and IEC.
*2. Ordinary vinyl cabtire cables.; approved by EN and IEC.
3D4C-2202D4C-2402D4C-3202D4C-3402
5D4C-2302D4C-2502D4C-3302D4C-3502
3D4C-2203D4C-2403D4C-3203D4C-3403
5D4C-2303D4C-2503D4C-3303D4C-3503
3D4C-2220D4C-2420D4C-3220D4C-3420
5D4C-2320D4C-2520D4C-3320D4C-3520
3D4C-2224D4C-2424D4C-3224D4C-3424
5D4C-2324D4C-2524D4C-3324D4C-3524
3D4C-2231D4C-2431D4C-3231D4C-3431
5D4C-2331D4C-2531D4C-3331D4C-3531
3D4C-2232D4C-2432D4C-3232D4C-3432
5D4C-2332D4C-2532D4C-3332D4C-3532
3D4C-2233D4C-2433D4C-3233D4C-3433
5D4C-2333D4C-2533D4C-3333D4C-3533
3D4C-2250D4C-2450D4C-3250D4C-3450
5D4C-2350D4C-2550D4C-3350D4C-3550
3D4C-2260D4C-2460D4C-3260D4C-3460
5D4C-2360D4C-2560D4C-3360D4C-3560
3
Standard Switches with Operation Indicator
0.1 A at 125 VAC0.1 A at 30 VDC
Ratings
Actuator
Pin plunger
Roller plunger
Crossroller plunger
Roller lever
Roller lever, highsensitivity
Sealed pin plunger
Sealed roller plunger
Sealed
crossroller plunger
Plastic rod
Note: Ask your nearest OMRON representative for information on Switching with approved international standards.
* Oil-resistant vinyl cabtire cables; approved by EN and IEC.
2. M1J models are also available. Contact your OMRON sales representative for further information.
3. Of the above model numbers, some with special specifications are not registered.
indicator
Without operation indicatorWith operation indicatorWithout operation indicatorWith operation indicator
---D4C-2024-AK1EJ@D4C-1024-DK1EJ@D4C-3024-DK1EJ@
Weather-resistant Models
Operation
indicator
Ratings
Actuator
Roller lever
Roller lever (highsensitivity model)
Adjustable roller lever
Adjustable rod lever
Note: Silicon rubber is used to increase resistance to the environment. Silicon rubber, however, can generate silicon gas. (This can occur at room temperature, but the
amount of silicon gas generated increases at higher temperatures.) Silicon gas will react as a result of arc energy and form silicon oxide (SiO
accumulates on the contacts, contact interference can occur and can interfere with the device. Before using a Switch, test it under actual application conditions
(including the environment and operating frequency) to confirm that no problems will occur in actual.
Without operating indicationWith operating indication
Standard loadMicroloadStandard load
5 A at 250 VAC
4 A at 30 VDC
0.1 A at 125 VAC
0.1 A at 30 VDC
VCTF oil-resistant cable
5 A at 125 VAC4 A at 30 VDC
Model
2). If silicon oxide
4
D4C
Applicable Cables
TypeFor ACFor DC
Appearance
Straight
No. of
conductors
4
Cable length
2 m
5 m
Mounting Plates (Order Separately)
The WL model incorporated by equipment can be replaced with the D4C together with the Mounting Plate without changing the position
of the dog or cam.
ModelModel
XS2F-A421-D90-AXS2F-D421-D80-A
XS2F-A421-G90-AXS2F-D421-G80-A
List of Replaceable Models
WL model (Actuator)
WLD/WL01D
(Top plunger)
WLD2/WL01D2
(Top roller plunger)
WLCA2/WL01CA2
(Roller lever)
Note: The WL01@ is for micro loads.
D4C model (Actuator)
D4C-@@01
(Plunger)
D4C-@@02
(Roller plunger)
D4C-@@20
(Roller lever)
Plate
D4C-P001
D4C-P002
D4C-P020
Example of Replacement
Note: The position of the dog remains unchanged.
Dog
Dog
Mounting
Plate
Individual Parts
Head/Actuator
ActuatorHead (with actuator)Actuator
Pin plungerD4C-0001---
Roller plungerD4C-0002---
Crossroller plungerD4C-0003---
Roller leverD4C-0020WL-1A100
Roller lever (weather-resistant model)---WL-1A100P1
Roller lever (high-sensitivity model)D4C-0024WL-1A100
Variable roller leverD4C-0027---
Variable rod leverD4C-0029HL-1HPA500
Sealed pin plungerD4C-0031---
Sealed roller plungerD4C-0032---
Sealed crossroller plungerD4C-0033---
Plastic rodD4C-0050---
Center roller leverD4C-0060---
Note: 1. The model numbers for heads are of the form D4C-00@@, with the numbers in the squares indicating the type of actuator.
2. Actuators for plunger models, plastic rod models, and center roller lever models cannot be ordered individually. They must be ordered together with the head.
*1. Models with VCTF, VCTF oil-resistant cables and pre-wired models only.
(Applicable only to standard models listed on pages 2 to 4.)
“CE” mark is applicable only for VCTF oil-resistant cables and pre-wired models.
*2. SJT(O)-cable models only.
(Applicable only to models listed on pages 2 to 3.)
*3. Ask your OMRON representative for information on approved models.
3
2
2.5
1.5
1.3
0.8
D4C
Inrush
current
Note: 1. The values given on the left are steady-state
2. Inductive loads have a power factor of 0.4 min.
3. Lamp loads have an inrush current of 10 times
4. Motor loads have an inrush current of 6 times
5. The values "0.1" given in parentheses are for
NC20 A max.
NO10 A max.
currents.
(AC) and a time constant of 7 ms max. (DC).
the steady-state current.
the steady-state current.
micro load models.
Approved Standard Ratings
TÜV (EN60947-5-1), CCC (GB14048.5)
Model
D4C-1@@@
D4C-2@@@AC-15 2 A/125 V5 A
D4C-3@@@DC-12 2 A/30 V4 A
D4C-4@@@
D4C-5@@@AC-14 0.1 A/125 V0.5 A
D4C-6@@@DC-12 0.1 A/30 V0.5 A
UL/CSA
B300 (D4C-16@@, -17@@)
B150 (D4C-26@@, -27@@)
B300
Rated voltage Carry current
120 VAC
240 VAC
B150
Rated voltage Carry current
120 VAC5 A3033,600360
Applicable category and
AC-15 2 A/250 V
DC-12 2 A/30 V
AC-14 0.1 A/125 V
DC-12 0.1 A/30 V
Current (A)
MakeBreakMakeBreak
5 A
30
15
Current (A)
MakeBreakMakeBreak
ratings
3
1.5
Volt-amperes (VA)
3,600
3,600
Volt-amperes (VA)
I the
5 A
4 A
0.5 A
0.5 A
360
360
Characteristics
Degree of protectionIP67
Durability
Operating speed
Operating
frequency
Rated frequency50/60 Hz
Insulation resistance100 MΩ min. (at 500 VDC)
Contact resistance (initial)
Dielectric
strength
Rated insulation voltage (Ui)
Pollution degree (operating environment)
Short-circuit protective device (SCPD)
Conditional short-circuit current
Conventional enclosed
thermal current (I the)
Protection against electric shock
Vibration re-
sistance
Shock re-
sistance
Ambient operating temperature
Ambient operating humidity
Weight (D4C-1202)
Note: The above figures are initial values.
*1. The values are calculated at an operating temperature of +5°C to +35°C,
*2. Pre-wired Models: 1,000,000 operations min. (DC specifications, switching
*3. Outdoor specifications: 500,000 operations min.
*4. Excluding Plastic Rods.
*5. Pre-wired models: 250 V
*6. Pre-wired models: class III
Operating temperature: 5°C to 35°C
Operating humidity: 40% to 70%
Operating frequency: 30 operations/min
(cosΦ=1, L/R = 0)
125 VAC
30 VDC
200406080100120
Switching current (mA)
D4C
Structure and Nomenclature
Structure
Standard Models
Roller Lever Models Without Indicator
Built-in switch
Weather-resistant Models
Roller Lever Models Without Indicator
Roller
The roller is made of self-lubricating sintered
stainless steel and boasts high resistance to
wear.
Shaft Section Seal
By fitting an O-ring to the rotary shaft and with
an appropriate interference of the screws,
high-sealing properties are maintained. The O-ring
is made of silicone rubber and is resistant to temperature
changes and adverse weather conditions.
Head-mounting
Screw
Diaphragm
The diaphragm is made of silicone rubber
and is resistant to temperature changes
and adverse weather conditions.
Cable
Vinyl cabtire cable and is resistant
to adverse weather conditions.
O-ring
(NBR)
Roller
Lever
O-ring
(NBR)
Diaphragm (NBR)
Protective cap
(NBR)
Molded resin
Cable
Lever
The lever forged of anti-corrosive aluminium
alloy features high corrosion resistances
and outstanding ruggedness.
Roller Lever Setscrew
This screw is made of stainless steel and has high
corrosion resistance.
Rotary Shaft
The shaft is made of stainless steel
decreasing the likelihood of rusting.
Built-in Switch
Both standard load and microload models available.
Ground terminal
7
Contact Form
4
Standard Models/Weather-resistant Models
Without Operation Indicator
D4C
Pre-wired Models (-AK1EJ@, -DK1EJ@)
Without Operation Indicator
(black)COM
NC (red)
NO *1
With Operation Indicator
(Lit when Not Actuated)
<24 VDC LED>
(black) COM
15 k
NC (red)
NO *1
Ω
<100 VAC LED>
68 k
NC (red)
NO *1
Ω
(black) COM
Connector Models for ASI Devices (-M1J)
Without Operation Indicator
Pin No.3 COM
NO Pin No.4
With Operation Indicator
(Lit when Not Actuated)
Pin No.3 COM
NO Pin No.4
R
For DC
*2
E
Pin No.3 COM
NC Pin No.2
NO Pin No.4
E *3
With Operation Indicator
(Lit when Not Actuated)
<24 VDC LED>
*2
Pin No.3 COM
E
NC Pin No.2
NO Pin No.4
15 k
Ω
E *3
<100 VAC LED>
NC
NO
COM
NC Pin No.2
NO Pin No.4
Ω
68 k
E *3
Positioning piece*
NC
NO
COM
*2
E
Pin No.3 COM
For ACFor DC
Positioning piece*4
*1. NO (white): VCTF oil-resistant cable or VCTF cable.
NO (blue): SJT (O) cable approved by UL and CSA.
*2. E (yellow/green): VCTF oil-resistant cable.
E (green): VCTF cable or SJT (O) cable approved by UL and CSA.
*3. E (ground) is not grounded.
*4. The position of the positioning piece is not fixed. Using an L-shaped
connector may result in failure. Use only a straight connector.
Note: 1. “Lit when not Actuated” means that when the actuator is in the free
position, the indicator is lit, and when the actuator is turned or pushed and
the contact comes into contact with the NO side, the indicator turns OFF.
2. Leakage current from indicator circuit may cause load's malfunction.
Please check the load's OFF current before use the indicator-equipped
switch.
Positioning piece*4
NO
COM
8
Dimensions and Operating Characteristics
D4C
Switches
Standard Models
Pin Plunger
D4C-@@01
Models without LED indicators are shown in the illustrations and dimensions diagrams. Refer to page 11 for Models with LED Indicators.
The boxes in the model numbers are replaced with the rating and cable type. Refer to page 1 for the Model Number Structure.
10 dia. stainless
steel plunger
PT
OP
54.2 max.
49 max.
VCTF cable,
2
0.75 mm
4 conductor
Finishing O.D.: 7.6
+0.2
Two, 5.1
dia.
40 max.
25±0.1
,
34
0
holes
Spot facing
10.2 dia. Depth: 6
4.5
7.5
8
2
23
1.41.5
2
Correct
setting
position
16
2.8
Roller Plunger
D4C-@@02
PT
OP
67 max.
51.5 max.
VCTF cable,
0.75 mm
4 conductor
Finishing O.D.: 7.6
2
,
12 dia. x 4.4 stainless steel roller
40 max.
25±0.1
34
+0.2
Two, 5.1
dia.
0
holes
Spot facing
10.2 dia. Depth: 6
7
7.5
8
2
23
1.41.5
2
Correct
setting
16
position
2.8
Crossroller Plunger
D4C-@@03
PT
OP
67 max.
51.5 max.
VCTF cable,
2
,
0.75 mm
4 conductor
Finishing O.D.: 7.6
Note: Unless otherwise specified, a tolerance of ±0.4 mm applies to all dimensions.
12 dia. x 4.4 stainless steel roller
40 max.
25±0.1
34
+0.2
Two , 5 .1
dia.
0
holes
Spot facing
10.2 dia. Depth: 6
7
7.5
8
2
23
1.41.5
2
Correct
setting
16
position
2.8
Roller Lever
*
2
,
17.5 dia. x 7 stainless
sintered roller
40 max.
±0.1
25
34
D4CD4C-
@@20
@@20-P
102.7 max.
7
2
VCTF cable,
0.75 mm
4 conductor
Finishing
O.D.: 7.6
* S-FLEX VCTF Cables are used for weather-resistant models.
Roller Lever (High-Sensitivity Model)
D4C-@@24
D4C-@@24-P
102.7 max.
7
2
VCTF cable,
0.75 mm
4 conductor
Finishing
O.D.: 7.6
* S-FLEX VCTF Cables are used for weather-resistant models.
*
2
,
17.5 dia. x 7 stainless
sintered roller
40 max.
±0.1
25
34
38R
11.4
7.5
M5 (length: 12)
8
Allen-head
bolt
23
+0.2
dia.
Two, 5.1
0
holes
Spot facing
10.2 dia. Depth: 6
2
38R
11.4
7.5
M5 (length: 12)
8
Allen-head
bolt
23
+0.2
Two, 5.1
dia.
0
holes
Spot facing
10.2 dia. Depth: 6
2
50 max.
44
±0.8
30.2
±0.8
±0.8
31.5
16
65 max.
1.41.5
50 max.
±0.8
44
±0.8
30.2
±0.8
31.5
16
65 max.
1.41.5
Operating
Model
characteristics
Operating force OF max.
Release forceRF min.
Pretravel PT max.
OvertravelOT min.
Movement Differential
Operating Position
MD max.
OP15.7±1 mm28.5±1 mm28.5±1 mm------
D4C-@@01D4C-@@02D4C-@@03
11.77 N
4.41 N
1.8 mm
3 mm
0.2 mm
11.77 N
4.41 N
1.8 mm
3 mm
0.2 mm
11.77 N
4.41 N
1.8 mm
3 mm
0.2 mm
D4C-@@20
D4C-@@20-P
5.69 N
1.47 N
25°
40°
3°
D4C-@@24
D4C-@@24-P
5.69 N
1.47 N
10°±3°
50°
3°
9
D4C
S
S
ealed Plunger
D4C-@@31
PT
OP
49 max.
VCTF cable,
2
0.75 mm
,
4 conductor
Finishing O.D.: 7.6
Sealed Crossroller Plunger
D4C-@@33
PT
OP
49 max.
10 dia. stainless
steel plunger
40 max.
25
±0.1
34
12 dia. x 4.4 stainless
steel roller
40 max.
25
±0.1
Rubber cap
+0.2
Two, 5.1
0
holes
Spot facing
10.2 dia. Depth: 6
4.0
7.5
8
2
23
1.41.5
2
Rubber cap
+0.2
Two, 5.1
0
holes
Spot facing
10.2 dia. Depth: 6
4.0
7.5
8
2
23
dia.
dia.
ealed Roller Plunger
D4C-@@32
PT
16
OP
49 max.
VCTF cable,
2
0.75 mm
,
4 conductor
Finishing O.D.: 7.6
16
12 dia. x 4.4 stainless
steel roller
40 max.
25
±0.1
34
Rubber cap
Two, 5.1
holes
Spot facing
10.2 dia. Depth: 6
2
+0.2
dia.
0
4.0
7.5
8
2
23
1.41.5
16
VCTF cable,
2
0.75 mm
,
4 conductor
Finishing O.D.: 7.6
34
2
1.41.5
Note: Unless otherwise specified, a tolerance of ±0.4 mm applies to all dimensions.
Operating
characteristics
Operating force OF max.
Release forceRF min.
PretravelPT max.
OvertravelOT min.
Movement Differential
Operating Position
Total travelTT *
Model
MD max.
OP
D4C-@@31D4C-@@32D4C-@@33
17.65 N
4.41 N
1.8 mm
3 mm
0.2 mm
24.9±1 mm
(5) mm
17.65 N
4.41 N
1.8 mm
3 mm
0.2 mm
34.3±1 mm
(5) mm
* The TT is a reference value.
17.65 N
4.41 N
1.8 mm
3 mm
0.2 mm
34.3±1 mm
(5) mm
10
D4C
Plastic rod
D4C-@@50
38
104±2.5
42
49 max.
VCTF cable,
2
0.75 mm
,
4 conductor
Finishing O.D.: 7.6
*1 Operation is possible in any direction except in parallel to the axis.
*2 The ideal range for operation is between the tip of the rod and 1/3 of
the length of the actuator.
40 max.
±0.1
25
*1
34
Nylon rod
Rubber cap
*2
3.2 dia.
6.6 dia.
+0.2
Two, 5.1
0
holes
Spot facing
10.2 dia. Depth: 6
4.5
7.5
8
2
23
2
16
dia.
1.41.5
Note: Unless otherwise specified, a tolerance of ±0.4 mm applies to all dimensions.
Operating
characteristics
Operating force OF max.
Release forceRF min.
Pretravel PT max.
OvertravelOT min.
Movement Differential
Operating Position
Total travelTT
Model
MD max.
OP
D4C-@@50D4C-@@60
1.47 N
---
15°
---
---
---
---
6.67 N
1.47 N
10°±3°
50°
3°
---
---
Center Roller Lever Plunger
D4C-@@60
56.9
102.7 max.
VCTF cable,
0.75 mm
4 conductor
Finishing O.D.: 7.6
18.9
2
,
Models with LED Indicator
The dimensions of the LED
indicator for models equipped with
one are shown below.
40 max.
±0.1
25
34
17.5 dia. x 7 stainless
sintered roller
Two, 5.1
holes
38R
Spot facing
10.2 dia. Depth: 6
11.4
7
2
23
2
(4)
+0.2
7.5
8
LED
dia.
0
1.4
1.5
16
Pre-wired Models
Pin Plunger
D4C-@001-@K1EJ@
Model
10 dia. stainless
steel plunger
40 max.
±0.1
25
34
XS2H-D421
D4C-@001
-@K1EJ@
Two, 5.1
holes
Spot facing
10.2 dia. Depth: 6
2
2
11.77 N
4.41 N
1.8 mm
3 mm
0.2 mm
+0.2
dia.
0
4.5
7.5
8
23
1.4
16
Correct setting
position
2.8
1.5
6 dia.
D4C-@002
-@K1EJ@
11.77 N
4.41 N
1.8 mm
3 mm
0.2 mm
D4C-@001-M1J@
PT
OP
54.2 max.
Note: Unless otherwise specified, a tolerance of ±0.4 mm applies to all dimensions.
Operating
characteristics
Operating force OF max.
Release forceRF min.
PretravelPT max.
OvertravelOT min.
Movement Differential
Operating Position
Note: Specifications are the same for -M1J Switches.
49 max.
MD max.
OP15.7±1 mm28.5±1 mm
Roller Plunger
D4C-@002-@K1EJ@
D4C-@002-M1J@
PT
OP
67 max.
51.5 max.
40 max.
±0.1
25
34
XS2H-D421
12 dia. x 4.4 stainless
steel roller
+0.2
Two, 5.1
dia.
0
holes
Spot facing
10.2 dia. Depth: 6
7
7.5
8
2
23
2
Correct setting
16
position
2.8
1.4
1.5
6 dia.
11
D4C
S
S
ealed Pin Plunger
D4C-@031-@K1EJ@
D4C-@031-M1J@
PT
OP
49 max.
Note: Unless otherwise specified, a tolerance of ±0.4 mm applies to all dimensions.
Operating
characteristics
Operating force OF max.
Release forceRF min.
PretravelPT max.
OvertravelOT min.
Movement Differential
Operating Position
Note: Specifications are the same for -M1J Switches
10 dia. stainless
steel plunger
40 max.
25
Model
MD max.
±0.1
34
XS2H-D421
D4C-@031
-@K1EJ@
Rubber cap
+0.2
Two, 5.1
dia.
0
holes
Spot facing
10.2 dia. Depth: 6
4.0
7.5
8
2
23
2
17.65 N
4.41 N
1.8 mm
3 mm
0.2 mm
16
1.5
1.4
6 dia.
D4C-@032
-@K1EJ@
17.65 N
4.41 N
1.8 mm
3 mm
0.2 mm
OP24.9±1 mm34.3±1 mm
ealed Roller Plunger
D4C-@032-@K1EJ@
D4C-@032-M1J@
PT
OP
49 max.
12 dia. x 4.4 stainless
steel roller
40 max.
±0.1
25
34
XS2H-D421
Rubber cap
+0.2
Two, 5.1
0
holes
Spot facing
10.2 dia. Depth: 6
4.0
7.5
8
2
23
2
dia.
16
1.5
1.4
6 dia.
Roller Lever (High-sensitivity Model)
D4C-@024-@K1EJ@
D4C-@024-M1J@
17.5 dia. x 7 stainless
sintered roller
40 max.
±0.1
25
38R
102.7 max.
7
2
2
34
XS2H-D421
11.4
7.5
8
23
Two, 5.1
holes
Spot facing
10.2 dia. Depth: 6
Note: Unless otherwise specified, a tolerance of ±0.4 mm applies to all dimensions.
M5 (length: 12)
Allen-head bolt
+0.2
dia.
0
50 max.
44
±0.8
30.2
31.5
1.4
±0.8
±0.8
16
65 max.
1.5
6 dia.
Operating
characteristics
ModelD4C-@024-@K1EJ@
Operating force OF max.
Release forceRF min.
PretravelPT max.
OvertravelOT min.
Movement Differential
Operating Position
MD max.
OP---
Note: Specifications are the same for -M1J Switches
Refer to Safety Precautions for All Limit Switches.
Precautions for Correct Use
Operating Environment
• Seal material may deteriorate if a Switch is used outdoor or where
subject to special cutting oils, solvents, or chemicals. Always
appraise performance under actual application conditions and set
suitable maintenance and replacement periods.
• Install Switches where they will not be directly subject to cutting
chips, dust, or dirt. The Actuator and Switch must also be protected
from the accumulation of cutting chips or sludge.
Not SuitableSuitable
• Constantly subjecting a Switch to vibration or shock can result in
wear, which can lead to contact interference with contacts,
operation failure, reduced durability, and other problems.
Excessive vibration or shock can lead to false contact operation or
damage. Install Switches in locations not subject to shock and
vibration and in orientations that will not produce resonance.
• The Switches have physical contacts. Using them in environments
containing silicon gas will result in the formation of silicon oxide
2) due to arc energy. If silicon oxide accumulates on the
(SiO
contacts, contact interference can occur. If silicon oil, silicon filling
agents, silicon cables, or other silicon products are present near the
Switch, suppress arcing with contact protective circuits (surge
killers) or remove the source of silicon gas.
Handling
The bottom of the Switch at the cable outlet is resin-molded. Secure
the cable at a point 5 cm from the Switch bottom to prevent exertion
of excess force on the cable.
When bending the cable, provide a bending radius of 45 mm min. so
as not to damage the cable insulation or sheath. Excessive bending
may cause fire or leakage current.
Bending radius
(R45 mm min.)
Secure
here
5 cm
Connections
• Be sure to connect a fuse with a breaking current 1.5 to 2 times
larger than the rated current to the Limit Switch in series in order to
protect the Limit Switch from damage due to short-circuiting.
• When using the Limit Switch for the EN ratings, use the gI or gG 10A fuse.
13
D4C
t
Operation
• Operation method, shapes of cam and dog, operating frequency,
and overtravel have a significant effect on the service life and
precision of a Limit Switch. For this reason, the dog angle must be
30° max., the surface roughness of the dog must be 6.3 S min. and
hardness must be Hv 400 to 500.
• To allow the plunger-type actuator to travel properly, adjust the dog
and cam to the proper setting positions. The proper position is
where the plunger groove fits the bushing top.
Dog
Bushing top
Groove
2.8 mm
• To allow the roller lever-type actuator to travel properly, adjust the
2.8 mm
dog and cam so that the arrow head is positioned between the two
convex markers as shown below.
Convex
markers
Arrow head
Not correct
Correct
Not correc
Correct
Indicator
• Indicator-equipped switch has contacts and indicator in parallel.
When contacts are open, leakage current flows through the
indicator circuit and may cause load's malfunction.
Please check the load's OFF current before use the indicatorequipped switch.
Mounting
• A maximum of 6 Switches may be group-mounted. In this case, pay
attention to the mounting direction so that the convex part of the
group-mounting guide on one Switch fits into the concave part of
the guide on the other Switch as shown in the figure below. For
group mounting, the mounting panel must have a thickness (t) of
6 mm min.
• If the mounting panel is warped or has protruding parts, a
malfunction may result. Make sure that the mounting panel is not
warped and has even surfaces.
Mounting Holes
Two, 5.2-dia. or M5 screw holes
25±0.1
• Use a Switch with a rubber cap when using the plunger type in an
environment where malfunction is possible due to environmental
conditions such as dust or cutting chips which may not allow
resetting.
• Do not expose the Switch to water exceeding 70°C or use it in
steam.
• When the D4C is used in a circuit of a device to be exported to
Europe, classified as Overvoltage Class III as specified in IEC664,
provide a contact protection circuit.
• Tighten each screw to a torque according to the following table.
No.Type
1M5 Allen-head bolt4.90 to 5.88 N·m
2M3.5 head mounting screw0.78 to 0.88 N·m
3M5 Allen-head bolt4.90 to 5.88 N·m
* By removing the two screws from
the head, the head direction can
be rotated 180°. After changing the
head direction, re-tighten to the
torque specified above. Be careful
not to allow any foreign substance
to enter the Switch.
Appropriate tightening torque*
Mounting panel
t
Micro-load Models (D4C-4, -5, -6)
Micro-load models
can be used for
switching in the range
shown below.
30
Voltage (V)
24
12
Switching
not possible
in this range
5
0
1 mA
1101001,0000.1
Switching
range for
micro-load
models
800 mW5 mW
26 mA0.16 mA
100 mA 160 mA
Switching
range for
standardload
models
Current (mA)
14
Read and Understand This Catalog
Please read and understand this catalog before purchasing the products. Please consult your OMRON representative if you have any questions or
comments.
Warranty and Limitations of Liability
WARRANTY
OMRON's exclusive warranty is that the products are free from defects in materials and workmanship for a period of one year (or other period if specified)
from date of sale by OMRON.
OMRON MAKES NO WARRANTY OR REPRESENTATION, EXPRESS OR IMPLIED, REGARDING NON-INFRINGEMENT, MERCHANTABILITY, OR
FITNESS FOR PARTICULAR PURPOSE OF THE PRODUCTS. ANY BUYER OR USER ACKNOWLEDGES THAT THE BUYER OR USER ALONE HAS
DETERMINED THAT THE PRODUCTS WILL SUITABLY MEET THE REQUIREMENTS OF THEIR INTENDED USE. OMRON DISCLAIMS ALL OTHER
WARRANTIES, EXPRESS OR IMPLIED.
LIMITATIONS OF LIABILITY
OMRON SHALL NOT BE RESPONSIBLE FOR SPECIAL, INDIRECT, OR CONSEQUENTIAL DAMAGES, LOSS OF PROFITS OR COMMERCIAL LOSS
IN ANY WAY CONNECTED WITH THE PRODUCTS, WHETHER SUCH CLAIM IS BASED ON CONTRACT, WARRANTY, NEGLIGENCE, OR STRICT
LIABILITY.
In no event shall the responsibility of OMRON for any act exceed the individual price of the product on which liability is asserted.
IN NO EVENT SHALL OMRON BE RESPONSIBLE FOR WARRANTY, REPAIR, OR OTHER CLAIMS REGARDING THE PRODUCTS UNLESS
OMRON'S ANALYSIS CONFIRMS THAT THE PRODUCTS WERE PROPERLY HANDLED, STORED, INSTALLED, AND MAINTAINED AND NOT
SUBJECT TO CONTAMINATION, ABUSE, MISUSE, OR INAPPROPRIATE MODIFICATION OR REPAIR.
Application Considerations
SUITABILITY FOR USE
OMRON shall not be responsible for conformity with any standards, codes, or regulations that apply to the combination of products in the customer's
application or use of the products.
At the customer's request, OMRON will provide applicable third party certification documents identifying ratings and limitations of use that apply to the
products. This information by itself is not sufficient for a complete determination of the suitability of the products in combination with the end product,
machine, system, or other application or use.
The following are some examples of applications for which particular attention must be given. This is not intended to be an exhaustive list of all possible
uses of the products, nor is it intended to imply that the uses listed may be suitable for the products:
Outdoor use, uses involving potential chemical contamination or electrical interference, or conditions or uses not described in this catalog.
Nuclear energy control systems, combustion systems, railroad systems, aviation systems, medical equipment, amusement machines, vehicles,
safety equipment, and installations subject to separate industry or government regulations.
Systems, machines, and equipment that could present a risk to life or property.
Please know and observe all prohibitions of use applicable to the products.
NEVER USE THE PRODUCTS FOR AN APPLICATION INVOLVING SERIOUS RISK TO LIFE OR PROPERTY WITHOUT ENSURING THAT THE
SYSTEM AS A WHOLE HAS BEEN DESIGNED TO ADDRESS THE RISKS, AND THAT THE OMRON PRODUCTS ARE PROPERLY RATED AND
INSTALLED FOR THE INTENDED USE WITHIN THE OVERALL EQUIPMENT OR SYSTEM.
PROGRAMMABLE PRODUCTS
OMRON shall not be responsible for the user's programming of a programmable product, or any consequence thereof.
Disclaimers
CHANGE IN SPECIFICATIONS
Product specifications and accessories may be changed at any time based on improvements and other reasons.
It is our practice to change model numbers when published ratings or features are changed, or when significant construction changes are made.
However, some specifications of the products may be changed without any notice. When in doubt, special model numbers may be assigned to fix or
establish key specifications for your application on your request. Please consult with your OMRON representative at any time to confirm actual
specifications of purchased products.
DIMENSIONS AND WEIGHTS
Dimensions and weights are nominal and are not to be used for manufacturing purposes, even when tolerances are shown.
PERFORMANCE DATA
Performance data given in this catalog is provided as a guide for the user in determining suitability and does not constitute a warranty. It may represent the
result of OMRON’s test conditions, and the users must correlate it to actual application requirements. Actual performance is subject to the OMRON
Warranty and Limitations of Liability.
ERRORS AND OMISSIONS
The information in this document has been carefully checked and is believed to be accurate; however, no responsibility is assumed for clerical,
typographical, or proofreading errors, or omissions.
In the interest of product improvement, specifications are subject to change without notice.
OMRON Corporation
Industrial Automation Company
http://www.ia.omron.com/
(c)Copyright OMRON Corporation 2011 All Right Reserved.
2011.11
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