Specifications

SR21

• Slot width:
  2 mm
• Slot depth
  50 mm
• Switching frequency
  25 kHz
• Light emission
  IR LED
  red/green LED
• Setting
  Push button
• Power supply
  Vdc 10-30 V
  Vac
  Vac/dc
• Output
  PNP •
  NPN •
  NPN/PNP
  relay
  other
• Connection
  cable
  connector •
  pig-tail
• Approximate dimensions (mm)
  20x90x26
• Housing material
  Zama
• Mechanical protection
  IP65

TECHNICAL DATA

• Power supply:
  10 … 30 Vdc (limit values)
• Ripple:
  2 Vpp max.
• Consumption (output current excluded):
  55 mA max.
• Light emission:
  red LED 633 nm/green LED 570 nm
  IR LED 880 nm
• Setting:
  AUTO-SET push-button
• Operating mode:
  LIGHT/DARK configurable
• Indicators:
  yellow OUTPUT LED
  green/red READY/ERROR LED
• Output:
  PNP and NPN
• Output current:
  100 mA max.
• Saturation voltage:
  2 V max.
• Response time:
  20 μs max.
• Switching frequency:
  25 kHz max.
• Connection:
  M8 4-pole connector
• Dielectric strength:
  500 Vac, 1 min between electronics and housing
• Insulating resistance:
  >20 MΩ, 500 Vdc between electronics and housing
• Electrical protection:
  Class 1
• Mechanical protection:
  IP65
• Ambient light rejection:
  according to EN 60947-5-2
• Vibrations:
  0,5 mm amplitude, 10 … 55 Hz frequency, for every axis (EN60068-2-6)
• Shock resistance:
  11 ms (30 G) 6 shock for every axis (EN60068-2-27)
• Slot width:
  2 mm
• Resolution:
  0,5 mm
• Housing material:
  ZAMA
• Lens material:
  Glass
• Operating temperature:
  -20 … 60 °C
• Storage temperature:
  -20 … 70 °C
• Weight:
  115g