Shanghai Chenzhu Instrument CO., LTD.
Shanghai Chenzhu Instrument CO., LTD.
  • Two-hand Push Buttons Safety Relay
  • Two-hand Push Buttons Safety Relay
  • Two-hand Push Buttons Safety Relay
  • Two-hand Push Buttons Safety Relay
  • Two-hand Push Buttons Safety Relay
  • Two-hand Push Buttons Safety Relay
  • Two-hand Push Buttons Safety Relay
  • Two-hand Push Buttons Safety Relay
  • Two-hand Push Buttons Safety Relay
  • Two-hand Push Buttons Safety Relay

Two-hand Push Buttons Safety Relay

CZSR8201 is suitable for two-hand control buttons. These two-hand safety control relays are suitable for operating two separate buttons to verify safe operation, especially on machinery for hazardous closing movements. There are available for dual channel.


Features & Advantages  of Two-hand Push Buttons Safety Relay

Parameter of Two-hand Push Buttons Safety Relay



CZSR8201-3A1B
Supply voltage24V DC/AC
Voltage tolerance0.85~1.1
Current consumption≤60mA (24V DC)
≤140mA (24V AC)
Input current≤50mA (24V DC)
Cable resistance≤15Ω
Input devicesTwo-hand control buttons
Number of contacts3NO+1NC
Contact materialAgSnO2+ 0.2 µm Au
External contact fuse protection10A gL/gG NEOZED (NO);
6A gL/gG NEOZED (NC)
Mechanical endurance of contacts≥107
Utilization categoryIn accordance with EN60947-5-1:
AC-15, 5A/230V; DC-13, 5A/24V
Switch-on delay≤30ms
Delay-on de-energisation≤15ms
Simultaneity≤500ms
Recovery time≤250ms
Supply short interruption20ms
EMCEN60947, EN61000-6-2, EN61000-6-4
VibrationVibration frequency: 10Hz~55Hz;
Vibration amplitude: 0.35mm
Ambient temperature-20℃~+60℃
Storage temperature-40℃~+85℃
Relative humidity10%~90%
Elevation≤2000m
Overvoltage category
Pollution degree2
Rated insulation voltage250V AC
Rated impulse voltage6000V (1.2/50us)
Dielectric strength1500V AC, 1min
Clearance and creepage distanceIn accordance with EN 60947-1
Safety integrity levelSIL3
Performance levelPLe
CategoryCat.4



Block Diagram of Two-hand Push Buttons Safety Relay


Two-hand Push Buttons Safety Relay


Typical Applications of Two-hand Push Buttons Safety Relay


Two-hand Push Buttons Safety Relay

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