Littelfuse / Commercial Vehicle Products

75930/75940 Series Battery Master Disconnect Switches

Littelfuse DPST and SPST switches include a patented weld breaker safety feature and an integrated lockout/tagout

Image of Littelfuse/Commercial Vehicle Products' 75930 Series Battery Master Disconnect SwitchLittelfuse 75930 and 75940 series battery master disconnect switches have a patented weld breaker safety feature and integrated lockout/tagout designed for safely cutting off battery power to electrical systems on heavy-duty vehicles and equipment used in mining, agriculture, construction, and transportation applications. These dual-pole single-throw (DPST) and single-pole single-throw (SPST) manual battery disconnect switches are constructed with robust polymer housings, offering a contemporary design that stands up to harsh conditions in commercial vehicle environments. With an IP67/IPX9K rating, the switches are protected from dust, debris, and water.

Features
  • Continuous current ratings:
    • Main contact: 200 A with 90 mm2 cables and 300 A with 120 mm2 cables
    • Auxiliary contact: 10 A with 2.5 mm2 cables
  • Inrush current ratings:
    • Main contact: 500 A/60 sec. and 1,000 A/15 sec. at +23°C
    • Auxiliary contact: 20 A/180 sec. at +23°C
  • DPST/SPST
  • IP67/IPX9K rating: engineered polymer design protects from dust, debris, and water
  • Removable handle accepts up to 6 mm lockout/tagout shackle and is available in red, yellow, or black
  • Patented weld breaker safety feature
  • Built-in lockout/tagout

75930 Series Battery Master Disconnect Switches

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
High Current Switches75930-02High Current Switches30 - Immediate$90.01View Details
High Current Switches75930-01High Current Switches80 - Immediate$90.01View Details
High Current Switches75930-03High Current Switches24 - Immediate$90.01View Details

75940 Series Battery Master Disconnect Switches

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
High Current Switches75940-01High Current Switches0 - Immediate$90.01View Details
High Current Switches75940-02High Current Switches28 - Immediate$90.01View Details
High Current Switches75940-03High Current Switches30 - Immediate$90.01View Details
Updated: 2024-12-02
Published: 2024-08-22

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Manual Battery Disconnect Switches Littelfuse battery disconnect switches range from 100 A to 500 A and are designed for the most demanding environments in all vehicle applications.