Safety light-beam sensors | L21 | L21S-21KA1A, L21E-21KA1A | System part: Pair | Safety level: PL c, SIL 1, Type 2 | Scanning range: 16 m | Diameter: M18 | Optical axis: Axial | Housing material: Plastic PBT | Connection type: Male connector M12, 4-pin
Scanning range
16 m
Number of beams
1
Optical axis
Axial
Response time
0.2 ms + Test device response time
Type
Type 2 (IEC 61496-1)1)
Safety integrity level
SIL 1 (IEC 61508)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)
PFHD(mean probability of a dangerous failure per hour)
1.0 x 10-6(EN ISO 13849)1)
TM(mission time)
20 years (EN ISO 13849)
Connection type
Male connector M12, 4-pin, straight
Protection class
III (IEC 61140)
Supply voltage VS
24 V DC (19.2 V DC ... 28.8 V DC)
Power consumption
≤ 30 mA≤ 20 mA
Switching outputs
PNP, Q1)
Current loading
≤ 70 mA
Design
Cylindrical
Dimensions (diameter x length)
M18 x 97.7 mm
Housing material
Plastic PBT
Front screen material
Glass
Poids
30 g
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 60068-2-27)
Aperture angle/receiving angle
± 5° / ± 5°
ECLASS 5.1.4
27272701
ECLASS 6.0
27272701
ECLASS 7.0
27272701
ECLASS 8.0
27272701
ECLASS 9.0
27272701
ECLASS 10.0
27272701
ECLASS 11.0
27272701
ECLASS 12.0
27272701
ECLASS 13.0
27272701
ECLASS 14.0
27272701
ECLASS 15.0
27272701
ETIM 6.0
EC001831
ETIM 7.0
EC001831
ETIM 8.0
EC001831
ETIM 9.0
EC001831
ETIM 10.0
EC001831
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UNSPSC 151101.0
46171620
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46171620
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UNSPSC 240301.0
46171620
UNSPSC 250901.0
46171620
UNSPSC 260801.0
46171620
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