RS PRO Through Beam Photoelectric Sensor, Block Sensor, 4 m Detection Range

RS Stock No.:: 202-4443
Brand:: RS PRO

RS PRO Through Beam Photoelectric Sensor, Block Sensor, 4 m Detection Range

Subtotal (1 unit)*

£31.80

(exc. VAT)

£38.16

(inc. VAT)

FREE delivery for orders over £50.00

In Stock

31 unit(s) ready to ship
Plus 4 unit(s) ready to ship from another location
Plus 50 unit(s) shipping from 06 January 2026

Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Units	Per unit
1 +	£31.80

*price indicative

Photoelectric Sensors to Sensors & Actuator Cables

Don’t Forget the Cables

Photoelectric sensors need the right cables to connect, communicate, and perform reliably. Our range of sensors & actuator cables are designed for secure connections, fast installation, and long-lasting durability. If you're selecting sensors, make sure to explore compatible cables to complete your setup and ensure optimal performance in your application.

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RS Stock No.:: 202-4443
Brand:: RS PRO

Specifications

Technical Reference

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	RS PRO
	Sensor Style	Block
	Detection Type	Through Beam
	Detection Range	4 m
	Output Type	PNP NONC
	Electrical Connection	2m Cable
	Switching Mode	Light / Dark switching
	Maximum DC Voltage	30V
	Terminal Type	Cable 2 m
	Light Source	Red Light
	IP Rating	IP67
	Maximum Current	200mA
	Response Time	≤1ms
	Maximum Operating Temperature	+55°C
	Mounting Type	Screw, Bracket
	Housing Material	PC+ABS；Filter: PMMA
	Series	PSE
	Minimum Operating Temperature	-25°C
	Standards Met	CE

	Select all
	Brand RS PRO
	Sensor Style Block
	Detection Type Through Beam
	Detection Range 4 m
	Output Type PNP NONC
	Electrical Connection 2m Cable
	Switching Mode Light / Dark switching
	Maximum DC Voltage 30V
	Terminal Type Cable 2 m
	Light Source Red Light
	IP Rating IP67
	Maximum Current 200mA
	Response Time ≤1ms
	Maximum Operating Temperature +55°C
	Mounting Type Screw, Bracket
	Housing Material PC+ABS；Filter: PMMA
	Series PSE
	Minimum Operating Temperature -25°C
	Standards Met CE

COO (Country of Origin):: CN

RS PRO PSE Series Photoelectric Sensors

The PSE series photoelectric sensors from RS PRO are economical and reliable compact devices essential for industrial environments such as conveyor belts in manufacturing plants. The PSE range offers a series of detection types that include diffuse reflection, polarized retro-reflection, through beam reflection and background suppression with various detection ranges.

How do they work?

A photoelectric sensor is a non-contact device which detects the presence or absence of an object regardless of material. The sensors do this by emitting a beam of infrared or red light at a photoelectric receiver to assess surroundings, detect objects or recognise the absence of an object.

Detection Types

• Diffuse Reflection

• Polarized Retro Reflection

• Through Beam Reflection

• Background Suppression

Features and Benefits

• Universal housing, an ideal replacement for a wide range of sensor types
• IP67, suitable for harsh environments
• One-click distance setting, accurate and fast
• Suitable for the detection of high light objects and some trans-parent objects
• NO and NC are switchable
• Electrical Connection: PVC cable or M8 Connector

Diffuse Reflection – 1 m, 100 mm & 300 mm Detection Range, Sold Separately

• 1m, NPN NO/NC, PVC Cable, RS stock no: 202-4424

• 1m, NPN NO/NC, M8 Connector, RS stock no: 202-4425

• 1m, PNP NO/NC, PVC Cable, RS stock no: 202-4426

• 1m, PNP NO/NC, M8 Connector, RS stock no: 202-4427

• 100 mm, NPN NO/NC, PVC Cable, RS stock no: 202-4428

• 100 mm, NPN NO/NC, M8 Connector, RS stock no: 202-4429

• 100 mm, PNP NO/NC, PVC Cable RS stock no: 202-4431

• 100 mm, PNP NO/NC, M8 Connector, RS stock no: 202-4432

• 300 mm, NPN NO/NC, PVC Cable, RS stock no: 202-4433

• 300 mm, NPN NO/NC, M8 Connector, RS stock no: 202-4434

• 300 mm, PNP NO/NC, PVC Cable, RS stock no: 202-4435

• 300 mm, PNP NO/NC, M8 Connector, RS stock no: 202-4436

Polarized Retro-reflection – 4 m Detection Range, Sold Separately

• NPN NO/NC, M8 Connector, RS stock no: 202-4437

• NPN NO/NC, PVC Cable, RS stock no: 202-4438

• PNP NO/NC, PVC Cable, RS stock no: 202-4439

• PNP NO/NC, M8 Connector, RS stock no: 202-4440

Through Beam Reflection – 10 m Detection Range, Sold Separately

• Receiver, NPN NO/NC, PVC Cable, RS stock no: 202-4441

• Receiver, NPN NO/NC, M8 Connector, RS stock no: 202-4442

• Receiver, PNP NO/NC, PVC Cable, RS stock no: 202-4443

• Receiver, PNP NO/NC, M8 Connector, RS stock no: 202-4444

• Emitter, PVC Cable, RS stock no: 202-4445

• Emitter, M8 Connector, RS stock no: 202-4447

Note: Emitter and receiver should be used in pairs

Background Suppression – 350 mm Detection Range, Sold Separately

• NPN NO/NC, PVC Cable, RS stock no: 202-4448

• NPN NO/NC, M8 Connector, RS stock no: 202-4449

• PNP NO/NC, PVC Cable, RS stock no: 202-4450

• PNP NO/NC, M8 Connector, RS stock no: 202-4451

Applications

• Industrial Automation

• Automotive

• Material Handling

• Machine engineering

• Pharmaceutical industries

• Elevators, Doors, and Gates

Why would you choose RS PRO Photoelectric Sensors?

RS PRO is our own brand range and brings you a wide range of high-quality, great value products offering you more choice. Trusted by engineers all over the world, every part of every RS PRO product has been rigorously tested against demanding industry standards, they’re only given the RS PRO seal of approval if we’re confident of their exceptional quality, which means you can be confident too.