IFM OG Series Photoelectric Sensor

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2025/7/4 Update

M18 Tubular Housing｜Maximum detection range 20 m
— ifm’s M18 diameter sensors are designed for reliable position detection in harsh industrial applications.

IFM OG Series Photoelectric Sensor

Technical Features

Compact M18 diameter photoelectric sensors can withstand harsh environments

Simple two-wire AC design requires no ground wire for quick installation

Tubular version offers flexible application

Large detection range reduces failures caused by mechanical damage and extends normal operating time

Integrated microprocessor provides high performance in demanding applications

Products + Accessories Selection

Function	Range	Output	Spot diameter at max. range Ø	Min. load current	Switching frequency	Light source	Order No.
Diffuse reflection sensor	1…600 mm	LO	169 mm	5 mA	25 Hz	Infrared light 880 nm	OG0035
1…600 mm	DO	169 mm	5 mA	25 Hz	Infrared light 880 nm	OG0041
Retro-reflective sensor	0.1…3 m	LO	262 mm	5 mA	25 Hz	Red light 660 nm	OG0044
0.1…3 m	DO	262 mm	5 mA	25 Hz	Red light 660 nm	OG0033
Through-beam receiver	0…15 m	LO	–	5 mA	25 Hz	Infrared light 880 nm	OG0031
0…15 m	DO	–	5 mA	25 Hz	Infrared light 880 nm	OG0039
Through-beam transmitter	0…15 m	–	2000 mm	5 mA	–	Infrared light 880 nm	OG0030

Optional Accessories

Type	Description	Order No.
Pivot Mount	Low pivot mount for OG tubular sensors, die-cast zinc	E20718
Long pivot mount for OG tubular sensors, die-cast zinc	E20719
Reflector	50 mm reflector	E20956
80 mm reflector	E20005
Pivot Mount with Reflector	Pivot mount with 50 mm reflector	E20997
Pivot mount with 80 mm reflector	E20995

Accessory Cables

Type	Description	Order No.
PUR Cable	1/2″ Micro AC (3-pin) 2m, PUR	E12282
1/2″ Micro AC (3-pin) 10m, PUR	E12286
1/2″ Micro AC (3-pin) 5m, PUR	E10210

Specifications:

Power supply voltage: 20…250 V AC (47…63 Hz)
Number of cores: 2-wire
Max. load current: 180 mA (40°C) / 90 mA (80°C)
Voltage drop: < 8 V
Leakage current: 1.7 mA
Connector: 1/2″ Micro AC
Housing material: PBT
Lens material: PMMA
Operating temperature: -25…80 °C
Protection rating: IP67

Technical Specifications

Specification	Value
Power supply voltage	20…250 V AC (47…63 Hz)
Number of cores	2-wire
Max. load current	180 mA (40°C) / 90 mA (80°C)
Voltage drop	< 8 V
Leakage current	1.7 mA
Connector	1/2″ Micro AC
Housing material	PBT
Lens material	PMMA
Operating temperature	-25…80°C
Protection rating	IP67

Benefits Introduce In Detail

Compact Solutions for Industrial Environments

ifm’s M18 diameter sensors are designed for reliable position detection in harsh industrial applications.

This product series features a long detection range, which increases the distance between the sensor and the target to avoid failures caused by physical damage. With an integrated microprocessor, these sensors deliver high performance in demanding applications.

Industry-standard 18 mm diameter tubular housing.
Automatic pushbuttons allow for easy configuration and simplified installation.
The one-piece molded unit features a fully sealed design, making it robust and unaffected by harsh environmental conditions.
An electronic lock feature prevents unauthorized or accidental adjustments, ensuring process security.