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Fuses and fuse holders

Bussmann series Safety switches

Bussmann’s heavy duty 600 Vac safety switch with finger-safe CUBEFuses is UL 98 Listed and features a 200 kA AC short-circuit current rating. It is available up to 100A in NEMA 1, 3R, 12, and 4X enclosures.  The Bussmann safety switch is horsepower rated for use in motor applications and is suitable for service entrance use with neutral kit.  Additional features include a lineside shield and red flange handle that can accommodate up to three padlocks to facilitate lockout/ tagout procedures during maintenance.

Core features

  • AC Safety Switch: Finger-safe CUBEFuse design provides a safer environment for personnel by helping to prevent exposure to live parts and reducing arc flash hazard levels.
  • Dual interlock door helps prevent access by unauthorized personnel inside the enclosure when the system is energized.
  • A visible double break, quick-make, quick-break rotary blade mechanism allows for confidence of switch ON/OFF status.
  • Optional viewing window provides visual confirmation that switch contacts have operated and the ability to view fuse indication without opening the switch door.                 
  • DC Safety Switch: NEC 690.17 Compliant Label
  • Warns that the switch terminals may be energized in the open position
  • High Visibility Padlockable Handle easy to operate with gloves and up to three padlocks to protect maintenance personnel
  • Visible Switch Contacts Positive visual identification of switch state
  • Door Interlock prevents opening door while energized, but can be manually overridden for testing or inspection
  • Clear Polycarbonate Deadfront covers energized parts to provide added protection against electrical hazards. Lineside stays in place during fuse servicing

Fused Version For Added Protection

  • Fuse clips located on switch center pole to ensure both clips are de-energized in OFF position. Meets NEC® Article 690.16 that requires isolating the fuse from all potential supply sources. Cooper Bussmann recommends using the Limitron® fast-acting, current limiting PVS-R Class RK5 fuse (order separately)
  • Conduit Knockouts for easy conductor installation
  • NEMA 3R, 12 & 4X Enclosures Meet many application requirements.3R and 4X stainless steel well suited for isolating outdoor solar power installations

Competitor Cross Reference Made Simple

Bussmann series Fuseology

An introduction to understanding fuses and how they are applied for providing overcurrent protection.

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