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UL 508, Non-Fused (FSLBS Series - Front/Side Operated)

The FSLBS Load Break Switch is a newly designed industrial-grade switch capable of making or breaking loads up to 600V. It is suitable as a motor disconnect. Extremely compact and robust, these switches have a variety of mounting options including DIN-rail, base, or door-mounting. A wide assortment of handles, shafts and accessories are available to accommodate any installation requirement. Both the toggle and rotary styles have a built-in pad-lockable hasp and the integrated box terminals are finger-safe to IP-20. Utilizing a patented, innovative design, the FSLBS can be actuated from the front or either side.

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  • The box terminals are rated for two wires each, both solid and stranded!
  • Front and side operation
  • Modular construction
  • Convenient door mounting
  • Padlockable
  • Toggle switch version

Part Numbers

  • Browse Product Data for part numbers & product information


  • AC: 600V
    16, 25, 40, 63, and 80 Amperes
  • Meets requirements of UL 508
    UL Listed, Guide NLRV, File E196672
  • cUL Listed, Guide NLRV, File E196672
  • CSA 22.2 #14
  • IEC 947-3 as load break disconnector
  • On/Off switching and disconnecting of circuits up to 600V, 80A, 40HP
  • Motor Controller, suitable as motor disconnect
  • Motor Isolator
  • General Purpose