Solenoid Interlock Switches

solenoid interlock in action Bernstein Safety Switch Manufacturer

Solenoid locking interlocks are integral to protecting man and machine in very hazardous environments.

These switches incorporate a solenoid into the standard safety interlock switch that locks the actuator key into place until the hazard has ceased.

With as many as five key entry locations, 440 lbs. holding force, positive opening contact, a choice of two body construction materials, multiple voltage capabilities and LED options, these Bernstein solenoids are leading the market.
Positive breaking for safety

Solenoid Locking Interlock Switch
  • SLK Series
    solenoid interlock
  • Narrow frame solenoid is idea for modular aluminum guard systems.
    440 lbs holding force
    non-metal
    3 or 4 pole
    Green LED = 'Safe' door closed;
    Yellow LED = unlocked position
    Broad Range: 24 to 230V AC
    Energize to lock or de-energize to lock
  • SLM Series
    solenoid interlock
  • Metal Housing
    4 Pole
    220 lbs holding force
    Bypass options: wrench (standard), key, or mushroom button
    Rotatable actuator head

    Actuator Keys

    Six unique models of actuator key offer you the flexibility for your application.

  • K-Flat Actuator
  • Stainless steel and polymide 16" SLK, SLM $18
  • RR-Flex Actuator
  • Flexible
    Adjustable key angle
    Stainless steel
    Four 90°position mounting choices
    6" SLK, SLM $70
  • K-T-Mount Actuator
  • 16" SLK, SLM $38