Dold Industries Ltd

11 Hamberts Rd. Blackall Ind. Estate
South Woodham Ferrers
GB-Essex, CM3 5UW
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

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

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