Page 1
Diaphragm Switch D1S, D2S, D1H, D2H Series
Pressure
Features
Stripped and housed versions available
High accuracy
Ideal for pressure or vacuum
Easy setpoint adjustment
NEMA 4 (Housed Models)
Up to 3 setpoints available in one switch
Applications
Pump & compressor
monitoring
Engine monitoring
Machine tools
Hydraulic power units
Medical equipment
Waste management
Food & beverage
Factory automation
Metal working
General Specifications*
Accuracy:
Switch:
Type:
Rating:
Wetted Parts:
Process Fitting:
Diaphragm:
± 0.5% of the adjustable range
Single pole double throw (SPDT) Snap
Action; single or dual circuit
10 amps @ 125/250 VAC; 3 amps @
480 VAC (Class A or H limit switch).
Consult sales drawing for ratings of
optional limit switches.
304 stainless steel
17-7 PH stainless steel
Approvals (cont.):
CSA (optional):
PED (European):
Temperature Range:
Operating:
Storage:
Adjustment Instructions:
Pressure:
All models may be ordered as CSA listed
under Class 3231 02, File LR22355 on
request.
Compliant to PED 97/23/EC
-40° to +165°F (-40° to +74°C)
-65° to +200°F (-54° to +93°C)
Turn adjustment screw counterclockwise to
raise actuation point.
Enclosure:
Electrical
Connection:
Enclosure Ratings:
Pressure Connection:
Approvals:
UL (optional): Stripped (D1S and D2S) models may be
* See product configurator for additional options.
Anodized aluminum (housed models)
Free leads approximately 18” long, #16
AWG and 1/2” NPT conduit connection
for housed models
Housed Models: NEMA 4
Stripped Models: NEMA 1
1/4” NPT Female
ordered as UL Recognized components
(UR) on request. Housed (D1H and D2H)
models may be ordered as UL Listed on
request (UL File No. E42816).
Wiring Code
Lead Circuit #1 Circuit #2
Pressure Vacuum Pressure Vacuum
Normally Closed Blue Red Orange Yellow
Common Purple Purple Brown Brown
Normally Open Red Blue Yellow Orange
Vacuum:
Options:
Shipping Weight:
Wiring Diagram
Single
NO (Red)
C (Purple)
NC (Blue)
NC (Red)
C (Purple)
NO (Blue)
Turn adjustment screw clockwise to
increase setpoint (higher vacuum).
- NEMA 4X enclosure (housed models only)
- Cleaned for oxygen service
- Factory pr
Stripped Versions : 1.5 lbs. approximate
Housed Versions: 1.75 lbs. approximate
Pressure
P
INCR
Vacuum
V
e-set
NO (Red)
C (Purple)
NC (Blue)
NO (Yellow)
C (Brown)
NC (Orange)
NC (Red)
C (Purple)
NO (Blue)
NC (Yellow)
C (Brown)
NO (Orange)
Dual
P
INCR
V
Vacuum
1
Page 2
Diaphragm Switch D1S, D2S, D1H, D2H Series
A
DJUSTING SCREW, 5/16 HEX, SLOTTED
Ø 1/5 (5.16)
MOUNTING HOLE (TYP.) 2 PLACES
3-1/2
(88.9)
1-3/4
(44.4)
1-3/4
(44.4)
1-15/16
(7.92)
3-1/2 (88.9)
1-7/8
(47.6)
2-1/4
(57.1)
1-1/8
(28.6)
D1S
PRESSURE PORT
3 FREE LEADS
21" LONG
45°
1/16 (1.98)
3-1/2
(88.9)
3-1/2
(88.9)
5/16
(7.94)
7/16
(10.3)
2 PL
1-3/4
(44.4)
1-3/4
(44.4)
ADJUSTING
SCREW
5/16 HEX,
SLOTTED
D2S
3-1/2
ADJUSTING SCREW
5/16 HEX SLOTTED
REMOVE COVER TO ADJUST
(COVER NOT SHOWN)
ADJUSTING SCREW
5/16 HEX SLOTTED
REMOVE COVER TO ADJUST
5/16
(7.94)
1-3/4
(44.4)
1-3/4
(44.4)
7/16
(TYP)
(10.3)
15/16
(23.8)
3-1/2
(88.9)
3-1/2
(88.9)
2
1
Technical Drawing
Dimension in inches (mm)
6 FREE LEADS
18" LONG
1/2 NPS CONDUIT
CONNECTION
45
Product Configurator
H
Base Configuration
D1H Single setpoint housed version
D1S Single setpoint stripped version
D2H Dual setpoint housed version
D2S Dual setpoint stripped version
D3H
Limit Switch
-A
-B
-C
-H
-M
-GH
-AA
-CC
-GH
-HH
-AA
ADJUSTING SCREW
5/16 HEX SLOTTED
REMOVE COVER TO ADJUST
(COVER NOT SHOWN)
Example D1H -A 80SS -CS
Hermetically sealed limit switch option - Class I,
Division II (requires AA, CC, GH or HH limit switch; not
available on vacuum models; no agency approval on
D1S and D2S models)
4
Triple setpoint housed version
1
10 amps @ 125/250 VAC; 3 amps @ 480 VAC; (standard for pressure range
3SS, 80SS or 150SS)
10 amps @ 125/250/480 VAC; 2 amps @ 600 VAC; 0.05 amps @ 125 VDC;
0.03 amps @ 250 VDC
10 amps @ 125/250/480 VAC; 2 amps @ 600 VAC; 0.1 amps @ 125 VDC;
0.05 amps @ 250 VDC
10 amps @ 125/250 VAC; 3 amps @ 480 VAC; (standard for pressure range
2SS or 18SS)
10 amps @ 125/250 VAC; 3 amps @ 480 VAC; 0.5 amps @ 125 VDC; 0.25
amps @ 250 VDC (not UL approved)
1 Amp @ 125 VAC; 1 Amp @ 24 VDC with gold contacts (not UL approved)
Hermetically sealed; 4 amps @ 125/250 VAC (not available on 2SS or
vacuum models)
Hermetically sealed; 10 amps @ 125/250 VAC (not available on 2SS or
vacuum models)
Hermetically sealed; 1 Amp @ 125 VAC with gold contacts (not available
on 2SS or vacuum models)
Hermetically sealed; 5 amps @ 125/250 VAC (not available on 2SS or
vacuum models)
Triple setpoint limit switch 4 amps @ 125/250 VAC (not available on
hermetically sealed models)
7/16
(TYP)
(10.3)
15/16
(23.8)
3-1/2
(88.9)
Adjustable Range
2SS
3SS .03 (.00) 2.85 (.2) .18 (.02) 3 (.2) .07 - .15 (.0 - .01) 10 (.7)
18SS .4 (.03) 17.74 (1.2) .66 (.05) 18 (1.2) .12 - .26 (.01 - .02) 60 (4.1)
80SS .5 (.03) 76.6 (5.3) 3.9 (.3) 80 (5.5) 1.6 - 3.4 (.1 - .2) 160 (10.9)
150SS 1.5 (.1) 144 (9.9) 7.5 (.5) 150 (10.3) 2.3 - 6 (.2 - .4) 300 (20.4)
3SS 0.06 5.72 0.34 6 .14 - .28 20
18SS 0.8 29.2 1.6 30 .4 - .8 30
NOTES:
1
Consult Supplemental Guide for specific deadband values
2
Deadband values indicated when used with the “standard” limit switch
3
Not available with hermetically sealed limit switches (no CSA)
4
Available only with AA (not hermetically sealed) limit switch
3-21/32
(92.9)
3-31/32
(101)
Ø 1/5 (5.16)
MOUNTING HOLE 2 PLACES
1
(88.9)
1-3/4
(44.4)
1-3/4
(44.4)
1-13/16
(46.0)
2
5/16
(7.94)
PRESSURE PORT
D2H
Options
-FX NEMA 4X enclosure
-Z1 Oxygen cleaned
-U UL Approved (Industrial Control)
-CS CSA Approved Model
-Wxxx
Extra wire length (XXX =
inches)
-Sxxx Factory pre-set (consult factory)
Pressure Connection
Blank Std 1/4” NPT female pressure connection
-P2 1/2” NPT female pressure connection
Adjustable Range (PRESSURE)
Decreasing - psi (bar) Increasing - psi (bar)
Min Max Min Max
3
0.018 (.0) 1.65 (.1) 0.068 (.0) 1.7 (.1) .02 - .05 (.0 - .0) 3 (.2)
Adjustable Range (VACUUM)
Decreasing - In. Hg Increasing - In. Hg
Min Max Min Max
Approx. Deadband
(Actuation Value)
psi (bar)
Approx. Deadband
(Actuation Value)
In. Hg
1-1/8
(28.6)
2
2
2-1/4
(57.1)
Proof
Pressure
psi (bar)
Proof
Pressure
In. Hg
13/64
(5.16)
Loading...