75920 Series - Sealed Master Disconnect Switches

1304089049 75920 side
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The 75920 Series Battery Disconnect Switches are high amp capacity, IP67 sealed, heavy-duty products that provide reliable emergency power cut-off. The switches are designed to be used up to 300 A at 12 Vdc or 200 A in 36 Vdc applications, which allows you to apply the switch in a variety of vehicles. Applications include vehicle electrical systems such as heavy truck, off-road, construction, emergency vehicles, material handling, refuse collection, mining, agricultural or marine.

Features & Benefits

  • High amperage capacity: 300A at 12V DC.
  • Can be used in high side or low side applications.
  • Waterproof and dustproof to IP67. Which means the switch can be mounted in exposed locations.
  • Composite engineered polymer housing will not rust or corrode. Tested per SAE 1455 for salt, calcium chloride & magnesium chloride.
  • Large red knob is easy to operate with gloved hands; 90º switch travel makes it easy to identify the switch position.
  • Built-in lockout satisfies OSHA requirements for an energy isolation device.
  • Attractive styling suitable for in cab mounting close to driver.
  • Large divider on base prevents accidental shorting of high energy cables.
  • Fits standard Master Disconnect mounting pattern

Part Numbers

75920-05 Disconnect switch with international 'O-I' symbols on bezel.
75920-10 Disconnect switch with English On-Off on bezel.
75921 Metric disconnect switch with international 'O-I' symbols on bezel.
75921-10 Metric disconnect switch with international 'O-I' symbols on bezel, and stainless steel hardware. 

75920 360 view


Access specifications, certifications, check availability and order parts below

Catalog #DescriptionPackage TypeContactsCaseActuatorStockCompare
75920Standard Switch75920-BX
CopperEngineering thermoplasticRed KnobCheck
75920-05Standard Switch75920-05-BXCopperEngineering thermoplasticRed KnobCheck
75920-10Standard Switch with Stainless Steel Hex and Washer75920-10-BXCopperEngineering thermoplasticRed KnobCheck
75921Metric SwitchCopperEngineering thermoplasticRed KnobCheck
75921-10Metric Switch with Stainless Steel Hex and WasherCopperEngineering thermoplasticRed KnobCheck