Datasheet
3E3H2
Specifications
Item Through-beam Retro-reflective with 
M.S.R.
Diffuse-reflective
E3H2-T4 E3H2-T2 E3H2-R E3H2-DS30 E3H2-DS10
Sensing distance 4 m (adjustable) 2 m 2 m (teachable) 
(when using E39-
R1S)
300 mm
(teachable)
100 mm (fixed)
Differential travel 20% max of sensing 
distance
10% max of sensing distance
Light source 
(wave length)
Infrared LED (880 nm) Red LED (660 nm) Infrared LED (880 nm)
Power supply 
voltage
10 to 30 VDC, 10% ripple
Current consumption 45 mA max
Control output Load current: 100 mA max. (residual voltage 2 V max.); 
E3H2-_C_: NPN 
E3H2-_B_: PNP
Light-on/dark-on 
selectable by wire
E3H2-T2_2_: dark 
on 
E3H2-T2_1_: light 
on
Light-on/dark-on selectable by wire
Protective circuits Power supply reverse polarity protection, output short circuit protection
Response time Operation or reset: 
2.5 ms max
Operation or reset: 
1 ms max.
Operation or reset: 1.1 ms max
Sensitivity 
adjustment
Potentiometer 
adjuster
–Teach-in –
Ambient illumination Incandescent lamp: 1500 lx max.; Sunlight: 5000 lx max.
Ambient temperature Operating: 
-25 to +55°C
Operating: 
-25 to +50°C
Operating: -25 to +55°C
Degree of protection EN 60529: IP67
Indicators Emitter: Power supply indicator: yellow
Receiver: Operation indicator: yellow
Output indicator: yellow
Weight
pre-wired 
connector
approx 110 g 
approx 40 g
approx 90 g
approx 30 g
approx 55 g 
approx 20 g
Material
case
lens
nickel-plated brass
plastic
stainless steel 
plastic
nickel-plated brass
plastic










