Electrical Distribution

 
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Residual Current Relay RD1, RD3

  • General
  • Documentation

Residual current device type A  RD1 (2 Module, 1CO),  RD3 (4 Module, 2CO)


• Instantaneous
• (t=0)at IΔn 30mA
• Selectable set point 30mA...30A (19 ranges)
• Field-selectable negative or positive security (fail safe)
• Automatic permanent test
• Manual or automatic reset
• (3 restart attempts)
• Adjustable range 0…5s
• Negative and positive security
• Ring core connection by 2 cables
• Automatic permanent test
• Manual or automatic reset
• Signaling by led
• Local or manual TEST
• Local or manual RESET
 

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