Dold Industries Ltd

11 Hamberts Rd. Blackall Ind. Estate
South Woodham Ferrers
GB-Essex, CM3 5UW
BA 9040

Asymmetry Relay

BA 9040

Contacts

Nominal voltage

Time delay

Approval

Variant

  • 0040599
  • BA9040.12 3AC50/60HZ 400V
Monitoring three-phase mains for voltage asymmetry, phase failure or incorrect phase sequence,... more

Product description

Monitoring three-phase mains for voltage asymmetry, phase failure or incorrect phase sequence, e.g. in elevators, escalators, crane systems etc.

Technical specifications

Enclosure design: Switch cabinet
Width: 45 mm
Operate delay: Yes
1- / 3-phase: 3
Output contacts: 2 C/O contacts
Standard measuring range: 3 AC 400 V
Measuring range max.: 3 AC 690 V
Type: BA 9040

Features

  • According to IEC/EN 60255-1
  • Recognition of
    - Voltage asymmetry
    - Phase failure
    - Voltage feedback
    - Optionally with phase sequence recognition
  • Optionally with adjustable response delay
  • 2 LED displays for power supply and state of contact
  • Wire connection: also 2 x 1.5 mm2 stranded ferruled, or
    2 x 2.5 mm2 solid DIN 46 228-1/-2/-3/-4
  • As option with pluggable terminal blocks for easy exchange of devices
    - With screw terminals
    - Or with cage clamp terminals
  • BA 9040: width 45 mm
    MK 9040N: width 22.5 mm