Dold Industries Ltd

11 Hamberts Rd. Blackall Ind. Estate
South Woodham Ferrers
GB-Essex, CM3 5UW
BI 9028

Softstarter with DC-brake

BI 9028


Auxiliary voltage

Mains / motor voltage

Nominal motor power

Approvals and Markings


  • 0054984
  • BI9028.38 3AC200-480V UHAC230,DC24V
Motor with gear, belt or chain drive Fans, pumps, conveyor systems, compressors... more

Product description

  • Motor with gear, belt or chain drive
  • Fans, pumps, conveyor systems, compressors
  • Woodworking machines, centrifuges
  • Packing machines, door-drives


Technical specifications

Widths: 90 mm
Load voltage up to: 3AC 480 V
For three-phase motors, 400 V up to: 15 kW
Auxiliary voltage required: Yes
Signalling output: Yes
Extra functions: Temperature monitoring, Mains monitoring
Type: BI 9028


  • Softstart and brake in one unit
  • Easy wiring
  • Space saving


  • According to IEC/EN 60947-4-2
  • 2-phase motor control
  • For motors up to 15 kW at 3 AC 400 V
  • Separate settings for start and brake time, as well as starting and braking torque
  • Galvanic isolation of control input with wide voltage range up to AC/DC 230 V
  • No external motor or braking contactor necessary
  • 3 auxiliary voltages up to 230 V
  • monitors undervoltage and phase sequence
  • 2 relay outputs for indication of status and fault
  • LED-indication
  • As option with voltfree contacts for start and stop
  • As option with input to detect motor temperature
  • BI 9028 up to 7.5 kW: 67.5 mm width
    BI 9028 up to 15 kW: 90 mm width