Omron E3JK DATASHEET

All voltage photoelectric sensors

E3JK

• Built-in amplifier accepts wide supply
voltage range.

• Slim, space-saving construction mea­sures only 50 x 50 x 17.4 mm.

• Relay outputs with long life expectan­cy and high switching capacity (3 A,
250 V AC).

• Polarized retroreflective type available
for glossy or shiny object detection.

E3JK

Sensor type Shape

Through-beam

Retroreflective
model (with
M.S.R. function)

Retroreflective
model (without
M.S.R. function)

Diffuse-reflective

* The value within the parentheses indicates the sensing distance applied when the E39-R2 reflector is used.

Note: The UL-listed model ends with "-US". (Example: E3JK-5M1-US). Note that the DC transistor type of the E3JK is UL-unlisted.

Connection

method

Pre-wired
models

Sensing distance Output form Output Model

300mm

2.5m
(3m)

*

*

Light ON

5m

Dark ON E3JK-5M2
Light ON
Dark ON E3JK-R2M2

Light ON/Dark ON
(selectable)

Light ON
Dark ON E3JK-R4M2

4m

Light ON/Dark ON

(5m)

(selectable)
Light ON
Dark ON E3JK-DS30M2
Light ON/Dark ON

(selectable)

Relay output

Relay output

DC transistor
output

Relay output

DC transistor output
(NPN)

Relay output

DC transistor output
(NPN)

Accessories (Order Separately)

Slits

Slit width Sensing distance

Width 1 mmx20 mm E3JK-5

##

Minimum sensing
object (typical)

0.7 m 1 mm dia. E39-S39

Model Quantity Remarks

1 pc. each for emitter
and receiver
(total 2 pcs.)

(Seal type long slit)
Can be used with the through­beam model E3JK-5##.

E3JK-5M1

E3JK-R2M1

NPN E3JK-R2S3

PNP E3JK-R2R3

E3JK-R4M1

E3JK-R4S3

E3JK-DS30M1

E3JK-DS30S3

Reflectors

Name Sensing distance (typical) Model Quantity Remarks

E3JK-R2## 2.5 m (rated value)

Reflectors

Small reflector E3JK-R2## 1 m (5 mm) * E39-R3 1 ---

Tape Reflector

* Values in parentheses indicate the minimum required distance between the sensor and reflector.
Note: When the reflector used is other than the supplied one, set the sensing distance to about 0.7 times of the typical example as a guideline.

E3JK-R4## 4 m (rated value)
E3JK-R2## 3 m
E3JK-R4## 5 m

E3JK-R2##

E3JK-R2## 1.5 m (200 mm) * E39-RS3

750 mm (200 mm) *

E39-R1 1

E39-R2 1 ---

E39-RS1

Attached to the E3JK-R2##.
Attached to the E3JK-R4##.

1 The M.S.R. function is available.E3JK-R2## 1.2 m (200 mm) * E39-RS2

1E3JK

Mounting Brackets

Shape Model Quantity Remarks

E39-L40 1 Supplied with E3JK

Note: If a through-beam model is used, order two Mounting Brackets for the emitter and receiver respectively.

2 Standard Photoelectric Sensors

Rating/Performance

E3JK

Sensor

type

Item Model E3JK-5M#

Sensing distance 5 m

Standard sensing
object

Differential
distance

Directional angle

Light source (wave
length)

Power supply volt­age

Current
con­sump­tion

Control output

Life ex­pectan­cy (relay
output)

Response time 30 ms max. 30 ms max. 5 ms max. 30 ms max. 5 ms max. 30 ms max. 5 ms max.

Sensitivity
adjustment

Ambient
illuminance

Ambient
temperature

Ambient humidity Operating: 45% to 85%RH, Storage: 35% to 95%RH (with no condensation)

Insulation
resistance

Dielectric strength 1,500 VAC at 50/60 Hz for 1 minute

Vibra­tion
resis­tance

DC 3 W max. 2 W max.

AC 3 W max. 2 W max.

Me­chanical

Electri­cal

Destruc­tion

Mal­function

Through-

beam

Opaque 14.8
dia. min.

Both emitter
and receiver:
3°C to 20°C

Infrared LED
(950 nm)

12 to 240 VDC ±10% ripple (p-p) : 10% max. 24 to 240 VAC ±10% 50/60 Hz

Relay
output:

250VAC
3 A (cosϕ=1)
max., 5 VDC
10 mA min.

50 million times or more (switching frequency 18,000 times/hour)

100 thousand times or more (switching frequency 18,000 times/hour)

Incandescent lamp: 3,000 lux max.

Operating: -25°C to 55°C, Storage: -30°C to 70°C (with no icing or condensation)

20 MΩ min. at 500 VDC

10 to 55 Hz, 1.5 mm double amplitude for 2 hours each in X, Y, and Z directions

10 to 55 Hz, 1.5 mm double amplitude for 2 hours each in X, Y, and Z directions

Retroflective model

(with M.S.R. function)

E3JK-R2M

2.5 m
(When using the E39-R1)

Opaque: 75 mm dia. min. ---

1° to 5° ---

Red LED (660 nm) Infrared LED (950 nm)

Relay
output:

250VAC
3 A (cosϕ=1)
max., 5 VDC
10 mA min.

# E3JK-R2#3

---

DC SSR Neg­ative or posi­tive common
48 VDC
100 mA max.
Leak current

0.1 mA max.
With load
short-circuit
protection

--- Single-turn adjustment

Retroflective model

(without M.S.R. function)

E3JK-R4M

4 m
(When using the E39-R1)

Relay
output:

250VAC
3 A (cosϕ=1)
max., 5 VDC
10 mA min.

# E3JK-R4S3

DC SSR
Negative com­mon
48 VDC
100 mA max.
Leak current

0.1 mA max.
With load short­circuit protec­tion

Diffuse-reflective

E3JK-DS30M#E3JK-DS30S3

300 mm
(White paper 100x100 mm)

20% max. of sensing
distance

DC SSR Neg-

Relay
output:

250VAC
3 A (cosϕ=1)
max., 5 VDC
10 mA min.

ative common
48 VDC
100 mA max.
Leak current

0.1 mA max.
With load
short-circuit
protection

E3JK

3E3JK