Benjamin DMX Smart Contactor


A high amperage switch with remote on-off control using DMX or RDM connectivity.


  • Fully compliant with the DMX-512 and RDM standards.
  • On-Off operation is provided over the DMX or RDM network using standard commands.
  • The DMX address is remotely configurable using an RDM device or manually by use of the built-in thumbwheel switch.
  • The position of the contactor is maintained upon loss of DMX communication and restoration of power.
  • Multiple units can be configured with a time delay to sequentially restore to the last contactor state upon system power up or restoration.
  • Local manual on-off operation is provided via a three position selector switch.
  • Built and labeled to cUL standards.


100 Amp, 3-Pole Contactor225 Amp, 3-Pole Contactor
Part NumberBSC-3100BSC-3225
Operational Current Rating100A @ 480VAC225A @ 480VAC
Interrupting Rating1,150A @ 480VAC2,500A @ 480VAC
Withstand Current Rating10kA, standalone 30kA with max 350A breaker10kA, standalone 65kA with max 350A breaker
Lug Sizes (AWG)#8 to 3/01/0 to 350 MCM
Operational Voltage120/240V 1Ø 3W208Y/120V 3Ø 4WOption: 480Y/277V 3Ø 4W (consult factory)
Operational Temperature0°C to 60°C
Load TypesGeneral Purpose, Ballast Loads, Motor Loads, and Tungsten Lighting
Auxiliary ContactsOne Normally Open, One Normally Closed
Agency RatingUL-508A
Unit Weight36 Pounds