OEM Controls BMS4, BJS1, BJS4 & BJS5

Single & Dual-Axis “Bang-bang” (on-off) Controller.

If on/off control is a requirement in your application, the OEM Controls BMS4, BJS1, BJS4, and BJS5 series of controllers will meet your needs. The OEM Controls “Bang Bang Series”  (on-off) controllers – are a rugged, cost effective and the optimal choice. The BMS4 is a single axis controller, while the BJS1, BJS4, and  BJs5 are multi-axis controllers.

Complimentary product: JS10 micro-controller, MG23 handle, MG24 handle, MG25 handle.

  • Specifications
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    • - collapse all


    Axis-Options Single and dual BJS5 is dual
    Lever Angle (Degrees) BMS4-50°, BJS1-48°, BJS5-50°, Center to full: 37°
    Lever Actuation Spring return to center Lift to release option
    Life Cycles 1 million ­-
    Locks-Detents BMS4 Lift to release center- End Detent options BJS5Lift to release End Detent to directions


    Resolution Controller dependent ­-
    Supply Voltage (Vdc) Systems supply or regulated ­-
    Output Control Signal-Potentiometric or Hall Effect Switch control -
    Output Voltage Range % System voltage -
    Directional Safety Switches BMS4=6,BJS1,BJS4=4 BSJ5=4
    Connection Terminal strip, lead wire, others -


    Operating Temperature Range ­40°C to +70°C ­-
    Storage Temperature Range ­40°C to +70°C ­-
    Environmental Protection IP54 Above panel


    Features and Benefits - -
    Lift-to-release maintained center detent -
    Auxiliary microswitch actuated by a variety of operating handles -
    Rocker grip handle-flange mount included -
    Cap or round ball handle -
    Spring return to center: All types -
    Handle deflection: 54° (center to full: 27°) -
    Maximum number of microswitches per axis: 6 -
    Handle Solutions: Ball - or lift to release Clevis lock option
    Customizable to your application -


    Excavator -
    Mobile Straddle Crane -
    Off-Road Fork Lift -
    Water Sprayer -
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