* Through-beam Sensors are normally sold in sets that include both the Emitter and Receiver.
Orders for individual Emitters and Receivers are accepted.
1
E3JM/E3JK
E3JK
Sensing
method
Appearance
Connection
method
Sensing distance
Operation mode
Light-ON
Through-
beam
(Emitter +
Receiver)
*1
Relay
Output
configuration
Model
E3JK-5M1-N 2M
Emitter E3JK-5L-N 2M
Receiver E3JK-5DM1-N 2M
E3JK-5M2-N 2M
Emitter E3JK-5L-N 2M
Receiver E3JK-5DM2-N 2M
E3JK-5S3-N 2M
Emitter E3JK-5L-N 2M
Receiver E3JK-5DS3-N 2M
E3JK-R2M1 2M
E3JK-R2M2 2M
E3JK-R2S3 2M
E3JK-R4M1 2M
E3JK-R4M2 2M
E3JK-R4S3 2M
E3JK-DS30M1 2M
E3JK-DS30M2 2M
E3JK-DS30S3 2M
5m
Dark-ON
Light-ON
Dark-ON
Both
DC SSR
selectable
Relay
Both
DC SSR
selectable
Relay
Both
DC SSR
selectable
Relay
Both
DC SSR
selectable
Retro-reflec-
tive with MSR
function
Retro-reflec- E39-R1
(provided)
tive without
MSR function
Pre-wired
(2 m)
*2
2.5 m
(3 m)
*2
4m
(5 m)
Diffuse-
reflective
300 mm
Light-ON
Dark-ON
Light-ON
Dark-ON
Light-ON
Dark-ON
Light-ON
Dark-ON
Light-ON
Dark-ON
Light-ON
Dark-ON
Note: UL-listed models have the -US suffix. Through-beam models have -US suffix instead of -N suffix. (Example: E3JM-10M4-US 2M). Tightening nuts, washers, and
rubber bushings are not provided with these models.
Change: Shape of the E3JM conduit socket
Note, however, that DC-type E3JK SSR Output Models are not UL-listed.
*1. Through-beam Sensors are normally sold in sets that include both the Emitter and Receiver.
Orders for individual Emitters and Receivers are accepted.
*2. Values in parentheses indicate the sensing distance when using E39-R2 Reflectors.
Accessories (Order Separately)
Slit
(A Slit is not provided with the Sensor for through-beam. Order a Slit separately if required.)
(Refer to
Dimensions
on page 12.)
Slit width
Sensing distance
Minimum detect-
able object
(typical)
Model
Quantity
Remarks
E3JM-10@4(T)-N
1 mm
×
20 mm
E3JK-5@@-N
1.2 m
1-mm dia.
0.7 m
E39-S39
1 Slit each for
the Emitter and
Receiver (2 Slits
total)
(Seal-type long slit)
Can be used with the E3JM-10@4(T)-N
and E3JK-5@@-N Through-beam
Models.
Reflectors
(A Reflector is required for Retroreflective Sensors.)
A Reflector is provided with the E39-R1 Sensor. For other Sensors, order a Reflector separately if required.
(Refer to
Dimensions
on
E39-L/F39-L/E39-S/E39-R.)
Name
Sensing distance (typical)
E3JM-R4@4(T)
E3JK-R2@@
Reflectors
E3JK-R4@@
E3JK-R2@@
E3JK-R4@@
Small Reflectors
E3JM-R4@4(T)
E3JK-R2@@
E3JM-R4@4(T)
E3JK-R2@@
Tape Reflectors
E3JM-R4@4(T)
E3JK-R2@@
E3JM-R4@4(T)
E3JK-R2@@
4 m (rated value)
2.5 m (rated value)
4 m (rated value)
3m
5m
3.5 m
1 m (5 mm)
*
1 m (200 mm)
*
750 mm (200 mm)
*
1.6 m (200 mm)
*
1.2 m (200 mm)
*
2 m (200 mm)
*
1.5 m (200 mm)
*
E39-R2
1
E39-R1
1
Model
Quantity
Remarks
Provided with the E3JM-R4@4(T)
Provided with the E3JK-R2@@
Provided with the E3JK-R4@@
---
E39-R3
1
---
E39-RS1
1
E39-RS2
1
Enables MSR function.
E39-RS3
1
Note: 1. When using any reflector other than the provided one, use a sensing distance of approximately 0.7 times the typical value as a guide.
2. Refer to
Reflectors
on
E39-L/F39-L/E39-S/E39-R
for details.
* Values in parentheses are the minimum required distance between the Sensor and Reflector.
2
E3JM/E3JK
Mounting Bracket
Some Mounting Brackets are provided with the Sensor. Order other Mounting Brackets separately if required.
(Refer to E39-L/F39-L/E39-S/E39-R)
Appearance
Model
Quantity
Remarks
E39-L53
1
Provided with the E3JM.
E39-L40
1
Provided with the E3JK.
E39-L51
1
Mounting Bracket designed for changing
from he E3A-M, E3A2, E3A3, OA-5, or
OA-5N to the E3JM.
Note: 1. When using a Through-beam Sensor, order one Connector for the Receiver and one for the Emitter.
2. Refer to
Mounting Brackets
on
E39-L/F39-L/E39-S/E39-R
for details.
3
E3JM/E3JK
Ratings and Specifications
E3JM
Sensing method
Item
Sensing distance
Standard sensing object
Differential travel
Directional angle
Light source (wavelength)
Power supply voltage
DC
AC
Both Emitter and Receiver 3° to
20°
Infrared LED (950 nm)
Model
10 m
Opaque: 14.8-mm dia. min.
Through-beam model
E3JM-10@4(T)-N
Retro-reflective model
(with MSR function)
E3JM-R4@4(T)
4 m (When using E39-R1)
Opaque: 75-mm dia. min.
---
1° to 5°
Red LED (660 nm)
Diffuse-reflective model
E3JM-DS70@4(T)
White paper (200
×
200 mm):
700 mm
---
20% max. of sensing distance
---
Infrared LED (950 nm)
12 to 240 VDC±10%, ripple (p-p): 10% max.
24 to 240 VAC±10%, 50/60 Hz
3 W max. (Emitter 1.5 W max.
Receiver 1.5 W max.)
3 W max. (Emitter 1.5 W max.
Receiver 1.5 W max.)
2 W max.
2 W max.
Power con-
sumption
Control output
Life
expectancy
(relay output)
Response time
Mechanical
Electrical
Relay output
Relay output (E3JM-@@M4 (T) model): SPDT, 250 VAC, 3A (cosφ=1) max., 5 VDC, 10 mA min.
DC SSR output (E3JM-@@S4 (T) model): 48 VDC, 100 mA max. (residual voltage: 2 V max.)
Light-ON/Dark-ON selectable
50,000,000 times min. (switching frequency: 18,000 times/h)
100,000 times min. (switching frequency: 1,800 times/h)
(E3JM-@@M4 (T) models) Operate or reset: 30 ms max.
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