Description

Safety single-beam sensors L21 / Pair / M18 / Axial

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Features

Safety-related parameters

Type	Type 2 (IEC 61496-1) ¹⁾
Safety integrity level	SIL1 (IEC 61508) ¹⁾ SILCL1 (EN 62061) ¹⁾
Category	Category 2 (EN ISO 13849) ¹⁾
Test rate (external test)	100 /s (EN ISO 13849) ²⁾
Maximum demand rate	≤ 60 min⁻¹ (EN ISO 13849) ³⁾
Performance level	PL c (EN ISO 13849) ¹⁾
PFH_D (mean probability of a dangerous failure per hour)	1.0 x 10^-6 (EN ISO 13849) ¹⁾
T_M (mission time)	20 years (EN ISO 13849)

¹⁾ Only in combination with an appropriate test device, e.g., Flexi Classic or Flexi Soft.
²⁾ The test rate shall not be exceeded.
³⁾ Between two requirements on a safety-related response of the device, at least 100 internal or external tests must be carried out.

Interfaces

Connection type

Male connector M12, 4-pin, straight

Electrical data

Mechanical data

Design	Cylindrical
Dimensions (diameter x length)	M18 x 97.7 mm
Housing material	Nickel-plated brass
Lens material	Glass
Weight	67 g

Ambient data

Enclosure rating	IP67 (EN 60529)
Ambient operating temperature	–40 °C ... +55 °C
Storage temperature	–40 °C ... +75 °C
Air humidity	15 % ... 95 %, Non-condensing
Vibration resistance	5 g, 10 Hz ... 55 Hz (IEC 60068-2-6)
Shock resistance	10 g, 16 ms (IEC 60068-2-29)

Other information

Light source	LED
Type of light	Visible red light
Wave length	660 nm
Aperture angle/receiving angle	± 5° / ± 5°

Classifications