Power Automation Sweden AB

Cylindervägen 8
13152 Nacka Strand
Sweden
BD 5877/241

Insulation Monitoring Relay

BD 5877/241

Contacts

Auxiliary voltage

Alarm value

Variant

  • 0051266
  • BD5877.01/241 AC400V 200K...2MOhm
Monitors the insulation of motors including connection wires during standby. E.g. for submerged... more

Product description

Monitors the insulation of motors including connection wires during standby. E.g. for submerged pumps or smoke exhaust fans according to the French standard NFS 61.937 page 13 Add.A. The motor is monitored in disconnected state.

Technical specifications

Width: 45 mm
Response value: 200 - 2000 kΩ
IMD type: AC
Nominal voltage IT system: AC 0 - 400 V
Auxiliary voltage: AC
Enclosure design: Switch cabinet
Response value type: Adjustable
Type: BD 5877/241

Features

  • According to IEC/EN 61 557
  • Setting range 200 kΩ to 2 MΩ
  • LED indicators
  • Output: 1 NO contact
  • De-energized on trip
  • Test button for function check
  • Reset button
  • Input for voltage detection
  • Manual reset available by bridge
  • Width 45 mm