IFM O4 Series Photoelectric Sensor

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2025/7/4 Update

Rectangular housing｜DC Maximum detection range 80 m
— The O4 series of compact photoelectric sensors has an extremely long detection range, making it the ideal choice for applications such as transport, conveying, inspection, and error-proofing.

IFM O4 Series Photoelectric Sensor

Technical Features

Detection range up to 80 meters.

Visible red light technology provides precise alignment and simplifies adjustment.

Innovative two-button “teach mode” simplifies setup.

An integrated stainless steel frame protects the housing in harsh environments.

The durable swivel connector can be rotated 270°, and the easy-to-use bracket system can reduce the inventory of mounting accessories.

Products + Accessories Selection:

Function	Range	Output	Spot diameter at max. sensing range	Supply current	Switching frequency	Light source	Order No.
Diffuse reflection (with background suppression)	100…2600 mm	LO/DO PNP	50 mm	25 mA	1000 Hz	Red light 624 nm	O4H500
Retro-reflective with polarization filter	0.3…22 m	LO/DO PNP	660 mm	20 mA	2000 Hz	Red light 624 nm	O4P500
Through-beam receiver	0…80 m	LO/DO PNP	–	12 mA	1000 Hz	–	O4E500
Through-beam transmitter	0…80 m	–	2400 mm	20 mA	–	Red light 624 nm	O4S500

Optional Accessories

Type	Description	Order No.
	Swivel bracket	E21118
	Protective bracket	E21119
	50 mm reflector	E20956
80 mm reflector	E20005
	Swivel bracket with 50 mm reflector	E20997
Swivel bracket with 80 mm reflector	E20995

Mating cables

Type	Description	Order No.
	M12 Micro DC (4-pin) 2 m, PUR	EVC001
M12 Micro DC (4-pin) 5 m, PUR	EVC002
	M12 Micro DC (4-pin) 2 m, PUR	EVC004
M12 Micro DC (4-pin) 5 m, PUR	EVC005
	M12 Micro DC (4-pin) 2 m, PUR, LED	EVC007
M12 Micro DC (4-pin) 5 m, PUR, LED	EVC008

Specifications:

Supply voltage: 10…36 VDC
Number of cores: 3-wire; model O4S500: 2-wire
Max. load current: 200 mA
Voltage drop: <2.5 V
Leakage current: negligible
Connector: M12
Housing material: PA, stainless steel, TPE
Lens material: PMMA
Operating temperature: -25…60 °C
Protection class: IP67

What’s More:

Benefits Introduce In Detail

O4 photoelectric sensor with a detection range of 80 meters

The O4 series of compact photoelectric sensors has an extremely long detection range, making it the ideal choice for applications such as transport, conveying, inspection, and error-proofing. With an extended detection range, these sensors can be placed far away from the application, reducing the possibility of physical damage. The integrated stainless steel frame provides additional protection for the sensor.

Flexible installation, uses a visible red light source for easy alignment

Visible red light technology simplifies setup and enables rapid installation.
The durable connector can be rotated 270°, allowing for alignment with a wide variety of easy-to-use brackets in multiple directions, supporting a broad range of installation methods.