SICK L21E Series Light Curtain Receiver, 1 Beam(s)

RS Stock No.:: 285-9637
Mfr. Part No.:: L21E-21KA1A
Brand:: SICK

SICK L21E Series Light Curtain Receiver, 1 Beam(s)

Subtotal (1 unit)*

£118.47

(exc. VAT)

£142.16

(inc. VAT)

FREE delivery for orders over £50.00

In Stock

Plus 1 unit(s) shipping from 02 February 2026
Plus 1 unit(s) shipping from 11 March 2026

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Units	Per unit
1 +	£118.47

*price indicative

RS Stock No.:: 285-9637
Mfr. Part No.:: L21E-21KA1A
Brand:: SICK

Specifications

Technical Reference

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	SICK
	Series	L21E
	Component Type	Receiver
	Safety Type	2
	SIL IEC 61508	SIL 1
	PL EN ISO 13849-1	PL c
	Number of Beams	1
	Maximum Scanning Distance	16m
	Maximum Response Time	0.2 ms
	Length	97.7mm
	Supply Voltage	24 V dc
	Terminal Type	M12 Connector

	Select all
	Brand SICK
	Series L21E
	Component Type Receiver
	Safety Type 2
	SIL IEC 61508 SIL 1
	PL EN ISO 13849-1 PL c
	Number of Beams 1
	Maximum Scanning Distance 16m
	Maximum Response Time 0.2 ms
	Length 97.7mm
	Supply Voltage 24 V dc
	Terminal Type M12 Connector

Datasheet - L21E-21KA1A

COO (Country of Origin):: IT

Overview

The L21 single-beam photoelectric safety switch consists of a sender and receiver. The test input on the sender allows direct functional tests. Performance level PL c in acc. with EN ISO 13849-1 or Type 2 in acc. with IEC 61496 can be achieved in conjunct

The required range can be selected from various device versions. All versions are suitable for outdoor applications and enable even complex safeguarding tasks to be accomplished by using deflector mirrors.

At a glance

Type 2 (IEC 61496), SIL1 (IEC 61508), PL c (EN ISO 13849), only in conjunction suitable testing device, e.g., Flexi Classic or Flexi Soft

Small M18 sensors with ranges up to 10 m

Compact M30 sensors with ranges up to 60 m

Enclosure rating IP 67

Temperatur

Your Benefit

Easy integration due to small, compact versions with maximum range

Directly connect to a safety controller – reducing costs

Flexible device integration makes it possible to set up individual access protections

Well suited to withstand extreme ambient cond

Applications

Access or area protection in warehouse/conveyor systems

Monitoring of doors and service openings on machines

Optical safety edges for protecting automated guided vehicles