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Light Curtain Safety Relay

Light curtain Safety Relay supports PNP-type light beam devices. Safety relay modules provide a high level of fail-safe operation for critical processes and protection. These light curtains and multifunction controllers provide multiple functions such as release delay, muting, stepping, and protection for multiple curtains. 


Safety rated relays can choose single or dual channel operation, manual or automatic reset, with function of short circuit monitoring between channels.

  • Light Curtain Safety Relay
  • Light Curtain Safety Relay
  • Light Curtain Safety Relay
  • Light Curtain Safety Relay
  • Light Curtain Safety Relay
  • Light Curtain Safety Relay
  • Light Curtain Safety Relay
  • Light Curtain Safety Relay
  • Light Curtain Safety Relay
  • Light Curtain Safety Relay

Features & Advantages of Light Curtain Safety Relay

  • Support PNP type light beam device

  • Support dual channel

  • Support manual or automatic reset

Parameter of Light Curtain Safety Relay


CZSR8001-3A1B-PCZSR8101-3A1B-N
Supply voltage24V DC24V DC
Voltage tolerance0.85~1.10.85~1.1
Current consumption≤90mA (24V DC)≤90mA (24V DC)
Input current≤50mA (24V DC)≤50mA (24V DC)
Cable resistance≤15Ω≤15Ω
Input devicesPNP type light beam devicesNPN type light beam devices
Number of contacts3NO+1NC3NO+1NC
Contact materialAgSnO2 + 0.2 µm AuAgSnO2+ 0.2 µm Au
External contact fuse protection10A gL/gG NEOZED (NO) ;
6A gL/gG NEOZED (NC)
10A gL/gG NEOZED (NO);
6A gL/gG NEOZED (NC)
Mechanical endurance of contacts≥107≥107
Utilization categoryIn accordance with EN60947-5-1:
AC-15, 5A/230V; DC-13, 5A/24V
In accordance with EN60947-5-1:
AC-15, 5A/230V; DC-13, 5A/24V
Switch-on delay≤300ms≤300ms
Delay-on de-energisation≤30ms≤30ms
Recovery time≤100ms≤100ms
Supply short interruption20ms20ms
EMCEN60947, EN61000-6-2, EN61000-6-4EN60947, EN61000-6-2, EN61000-6-4
VibrationVibration frequency: 10Hz~55Hz;
Vibration amplitude: 0.35mm
Vibration frequency: 10Hz~55Hz;
Vibration amplitude: 0.35mm
Ambient temperature-20℃~+60℃-20℃~+60℃
Storage temperature-40℃~+85℃-40℃~+85℃
Relative humidity10%~90%10%~90%
Elevation≤2000m≤2000m
Overvoltage category
Pollution degree22
Rated insulation voltage250V AC250V AC
Rated impulse voltage6000V (1.2/50us)6000V (1.2/50us)
Dielectric strength1500V AC, 1min1500V AC, 1min
Clearance and creepage distanceIn accordance with EN 60947-1In accordance with EN 60947-1
Safety integrity levelSIL3SIL3
Performance levelPLePLe
CategoryCat.4Cat.4


Block Diagram of Light Curtain Safety Relay


Light Curtain Safety RelayLight Curtain Safety Relay


Typical Applications of Light Curtain Safety Relay


Light Curtain Safety RelayLight Curtain Safety Relay

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