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Miniature photoelectric sensors in M8 and M12 housings

For object detection applications where space is crucial, the E3H2 provides the easy mounting of cylindrical sensors in small M8 and M12 metal housings.

M8 or M12 sized cylindrical housings when mounting space is crucial

Retro-reflective models with two teaching modes for standard and semi-transparent objects

Diffuse reflective models with fixed and teachable sensing distance

Pre-wired and connector models

Specifications & ordering info

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Common features

Shape Cylindrical axial
Operation mode Dark-ON, Light-ON
Material housing Brass, nickel plated
Thread size M12
Power supply voltage 10-30 V
Degree of protection (IP) IP67

Sensing method (3)

Diffuse reflective ()
Retro-reflective ()
Through-beam ()

Sensing distance (4)

100 mm ()
300 mm ()
2000 mm ()
4000 mm ()

Setting method (3)

Fixed ()
Manual adjustment ()
Teach-In ()

Connection method (2)

Cable ()
Connector M12 ()

Cable length (1)

2 m ()

Output type (2)

NPN ()
PNP ()

Response time (3)

1 ms ()
1.1 ms ()
2.5 ms ()

Type of light (2)

Infrared light ()
Polarized red light ()

Features (1)

M.S.R. ()

Produkt	Shape	Sensing method	Sensing distance	Setting method	Connection method	Cable length	Output type	Operation mode	Response time	Material housing	Thread size	Product Length (unpacked)	Type of light	Power supply voltage	Features	Degree of protection (IP)	Description
E3H2-DS10B4M-M1-N	Cylindrical axial	Diffuse reflective	100 mm	Fixed	Connector M12		PNP	Dark-ON, Light-ON	1.1 ms	Brass, nickel plated	M12	69.5 mm	Infrared light	10-30 V		IP67	Photoelectric sensor, M12 brass housing, diffuse, 100 mm fixed, PNP, M12 4-pin connector
E3H2-DS10B4M-N 2M	Cylindrical axial	Diffuse reflective	100 mm	Fixed	Cable	2 m	PNP	Dark-ON, Light-ON	1.1 ms	Brass, nickel plated	M12	59.5 mm	Infrared light	10-30 V		IP67	Photoelectric sensor, M12 brass housing, diffuse, 100 mm fixed, PNP, 2 m cable
E3H2-DS10C4M-M1-N	Cylindrical axial	Diffuse reflective	100 mm	Fixed	Connector M12		NPN	Dark-ON, Light-ON	1.1 ms	Brass, nickel plated	M12	69.5 mm	Infrared light	10-30 V		IP67	Photoelectric sensor, M12 brass housing, diffuse, 100 mm fixed, NPN, M12 4-pin connector
E3H2-DS10C4M-N 2M	Cylindrical axial	Diffuse reflective	100 mm	Fixed	Cable	2 m	NPN	Dark-ON, Light-ON	1.1 ms	Brass, nickel plated	M12	59.5 mm	Infrared light	10-30 V		IP67	Photoelectric sensor, M12 brass housing, diffuse, 100 mm fixed, NPN, 2 m cable
E3H2-DS30B4M-M1-N	Cylindrical axial	Diffuse reflective	300 mm	Teach-In	Connector M12		PNP	Dark-ON, Light-ON	1.1 ms	Brass, nickel plated	M12	69.5 mm	Infrared light	10-30 V		IP67	Photoelectric sensor, M12 brass housing, diffuse, 300 mm teachable, PNP, M12 4-pin connector
E3H2-DS30B4M-N 2M	Cylindrical axial	Diffuse reflective	300 mm	Teach-In	Cable	2 m	PNP	Dark-ON, Light-ON	1.1 ms	Brass, nickel plated	M12	59.5 mm	Infrared light	10-30 V		IP67	Photoelectric sensor, M12 brass housing, diffuse, 300 mm teachable, PNP, 2 m cable
E3H2-DS30C4M-M1-N	Cylindrical axial	Diffuse reflective	300 mm	Teach-In	Connector M12		NPN	Dark-ON, Light-ON	1.1 ms	Brass, nickel plated	M12	69.5 mm	Infrared light	10-30 V		IP67	Photoelectric sensor, M12 brass housing, diffuse, 300 mm teachable, NPN, M12 4-pin connector
E3H2-DS30C4M-N 2M	Cylindrical axial	Diffuse reflective	300 mm	Teach-In	Cable	2 m	NPN	Dark-ON, Light-ON	1.1 ms	Brass, nickel plated	M12	59.5 mm	Infrared light	10-30 V		IP67	Photoelectric sensor, M12 brass housing, diffuse, 300 mm teachable, NPN, 2 m cable
E3H2-R2B4M-M1-N	Cylindrical axial	Retro-reflective	2000 mm	Teach-In	Connector M12		PNP	Dark-ON, Light-ON	1 ms	Brass, nickel plated	M12	66 mm	Polarized red light	10-30 V	M.S.R.	IP67	Photoelectric sensor, M12 brass housing, retro-reflective, 2 m teachable, PNP, M12 4-pin connector
E3H2-R2B4M-N 2M	Cylindrical axial	Retro-reflective	2000 mm	Teach-In	Cable	2 m	PNP	Dark-ON, Light-ON	1 ms	Brass, nickel plated	M12	59 mm	Polarized red light	10-30 V	M.S.R.	IP67	Photoelectric sensor, M12 brass housing, retro-reflective, 2 m teachable, PNP, 2 m cable
E3H2-R2C4M-M1-N	Cylindrical axial	Retro-reflective	2000 mm	Teach-In	Connector M12		NPN	Dark-ON, Light-ON	1 ms	Brass, nickel plated	M12	66 mm	Polarized red light	10-30 V	M.S.R.	IP67	Photoelectric sensor, M12 brass housing, retro-reflective, 2 m teachable, NPN, M12 4-pin connector
E3H2-R2C4M-N 2M	Cylindrical axial	Retro-reflective	2000 mm	Teach-In	Cable	2 m	NPN	Dark-ON, Light-ON	1 ms	Brass, nickel plated	M12	59 mm	Polarized red light	10-30 V	M.S.R.	IP67	Photoelectric sensor, M12 brass housing, retro-reflective, 2 m teachable, NPN, 2 m cable
E3H2-T4B4M-M1-N	Cylindrical axial	Through-beam	4000 mm	Manual adjustment	Connector M12		PNP	Dark-ON, Light-ON	2.5 ms	Brass, nickel plated	M12	66.3 mm	Infrared light	10-30 V		IP67	Photoelectric sensor, M12 brass housing, through-beam, 4 m adjustable, PNP, M12 4-pin connector
E3H2-T4B4M-N 2M	Cylindrical axial	Through-beam	4000 mm	Manual adjustment	Cable	2 m	PNP	Dark-ON, Light-ON	2.5 ms	Brass, nickel plated	M12	59.3 mm	Infrared light	10-30 V		IP67	Photoelectric sensor, M12 brass housing, through-beam, 4 m adjustable, PNP, 2 m cable
E3H2-T4C4M-M1-N	Cylindrical axial	Through-beam	4000 mm	Manual adjustment	Connector M12		NPN	Dark-ON, Light-ON	2.5 ms	Brass, nickel plated	M12	66.3 mm	Infrared light	10-30 V		IP67	Photoelectric sensor, M12 brass housing, through-beam, 4 m adjustable, NPN, M12 4-pin connector
E3H2-T4C4M-N 2M	Cylindrical axial	Through-beam	4000 mm	Manual adjustment	Cable	2 m	NPN	Dark-ON, Light-ON	2.5 ms	Brass, nickel plated	M12	59.3 mm	Infrared light	10-30 V		IP67	Photoelectric sensor, M12 brass housing, through-beam, 4 m adjustable, NPN, 2 m cable

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Accessories

Reflectors for retro-reflective photoelectric sensors

Type	Housing material	Features	Size in mm	Applicable Sensor	Order code
General purpose reflectors	ABS base Acrylic surface	Surface screw mounting (diagonal holes)	40 × 60 × 7.5	Retro-reflective photoelectric sensors with and without M.S.R	E39-R1S
		Surface screw mounting (holes on one side only)	35.4 × 42.3 × 8		E39-R9
		Surface screw mounting (holes on one side only)	51.4 × 60.3 × 8.5		E39-R42
Small size		Side screw mounting or surface selfadhesive	41.8 × 22.5 × 11		E39-R3
Small size		Surface screw mounting	23 × 13.7 × 4.9		E39-R4
Large size			100 × 100 × 9		E39-R8
Large size			84.5 × 84.5 × 8.7		E39-R40
High precision		Microtripel for improved performance with fine beam sensors	52 × 40 × 4.8	Recommended for fine beam coaxial models (E3NC-LH03, E3S-DB, E3T-SR4)	E39-R6
			30 × 45		E39-R12
			14 × 23 × 1		E39-R37-CA
			12 × 24		E39-R13
Simple mounting		Round shape with centered mounting hole for simple screw mounting	Diameter: 84 Depth: 7.4	Photoelectric sensors with and without M.S.R.	E39-R7

Note: the ambient operating temperature is -25°C to 55°C unless otherwise specified

Shape	Type	Housing material	Features	Size in mm	Applicable Sensor		Order code
	Enhanced detergent resistance	PVC	Surface screw mounting IP69k after DIN 40050 part 9	40 × 60 × 7.5	Recommended for harsh environment sensors		E39-R50
		PET	Surface screw mounting IP69k after DIN 40050 part 9 Anti-fogging coating	40 × 60 × 7.5			E39-R50K
		PVC	Surface screw mounting IP69k after DIN 40050 part 9	20 × 60 × 6			E39-R51
	Highest detergent resistance	SUS316L Borosilicat	Surface screw mounting	43 × 30 × 5			E39-R16
	Heat resistant	Borosilicat	Surface screw mounting 450°C heat resistance Suitable for vacuum environment	95 × 51 × 8			E39-R47
	Non-fogging reflector	ABS Acrylic surface	Anti-fogging coating	40 × 60 × 7.5			E39-R1K
	Special polarizing	ABS base PMMA surface	Special polarizing filter to PET	44 × 80 × 8.5	E3ZM-B, E3FA-B, E3FB-B, E3S-DB		E39-RP1
	Oil-resistant Reflector	Methacrylate resin surface Aluminium, Stainless steel screws	Resistant to cutting oil	65.4 × 106 × 11.5	E3ZR-C		E39-R1R
	General purpose tape reflectors	Acrylic	Self adhesive Pre cut	35 × 10 × 0.6	Photoelectric sensors with and without M.S.R.		E39-RS1
				35 × 10 × 0.6		Optimised for E3T-SR4	E39-RS1-CA
				40 × 35 × 0.6			E39-RS2
				40 × 35 × 0.6		Optimised for E3T-SR4	E39-RS2-CA
				80 × 70 × 0.6			E39-RS3
				80 × 70 × 0.6		Optimised for E3T-SR4	E39-RS3-CA
			Self adhesive Cut-to-length, roll material	25 mm × 5 m			E39-RS25 5 m
				25 mm × 22.8 m			E39-RS25 22.8 m
				50 mm × 5 m			E39-RS50 5 m
				50 mm × 22.8 m			E39-RS50 22.8 m
	High precision tape reflectors		Self adhesive Pre cut	195 × 22	Recommended for fine beam and laser sensors (E3NC-LH03, E3Z-LR, E3S-DB_2)		E39-RS4
	High precision tape reflectors		Self adhesive Pre cut	108 × 46			E39-RS5