75900 Double Pole Series - DPST Master Disconnect Switch for two high current loads

5.1.2
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Disclaimer Notice

Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those expressly set forth in applicable Littelfuse product documentation. Warranties granted by Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse documentation. Littelfuse shall not be liable for any claims or damages arising out of products used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless otherwise agreed by Littelfuse. "Littelfuse" includes Littelfuse, Inc., and all of its affiliate entities.

Littelfuse Double Pole Master Disconnect Switches will disconnect the battery and the alternator or generator field circuit. Each pole handles 125A (continuous) at up to 36V DC. The Double Pole Master Disconnect Switches include four 3/8” -24 stud terminals, lockwasher and two brass hexnuts per stud.

Features and Benefits

  • Controls two systems, or it can be used to disconnect both positive and negative of the same circuit (which is required in some countries.)
  • Contact ratings: 125A continuous, 750A intermittent.
    • 75907: 300A continuous, 750A intermittent.
  • Silver contact surfaces. Epoxy-sealed and gasket-sealed.
  • Both poles are separately insulated.
  • Compatible with Littelfuse lock-out kits.
  • 3/4”-16 thread. Fits panels up through 1/4” (6.4mm).
  • O-ring seal in mounting stem; gasket seal at terminal insulator. Epoxy seal at case, mounting stem and locating pin.

Access specifications, certifications, check availability and order parts below

Catalog #Current Rating (Continuous) in AmpsCurrent Rating (Inrush) in AmpsVoltage Rating MaxCircuitryActuatorContact MaterialHousingMounting MethodMounting stemStockSamplesCompare
24505Diecast LeverSurface3/4in dia / 19.1mm diaCheckOrder
24505-01Diecast Lever3/4in dia / 19.1mm diaOrder
24505-01Diecast Lever3/4in dia / 19.1mm diaCheckOrder
24505-02Diecast Lever3/4in dia / 19.1mm diaCheckOrder
24505-02-BPDiecast Lever3/4in dia / 19.1mm diaCheckOrder
24505-03Diecast Lever3/4in dia / 19.1mm diaCheckOrder
24505-03-BPDiecast Lever3/4in dia / 19.1mm diaCheckOrder
24505-04Diecast Lever3/4in dia / 19.1mm diaCheckOrder
24505-04-BPDiecast Lever3/4in dia / 19.1mm diaCheckOrder
24505-BXDiecast Lever3/4in dia / 19.1mm diaCheckOrder
75903125100036DPSTChrome LeverCopperPlated SteelBrass 3/4 - 16 thread 23/32 long fits panel through 3/16 thickCheckOrder
75903-BX125100036DPSTChrome LeverCopperPlated SteelBrass 3/4 - 16 thread 23/32 long fits panel through 3/16 thickOrder
75903-BX125100036DPSTChrome LeverCopperPlated SteelBrass 3/4 - 16 thread 23/32 long fits panel through 3/16 thickCheckOrder
75904175100036DPSTChrome LeverSilverPlated SteelBrass 3/4 - 16 thread 23/32 long fits panel through 3/16 thickCheckOrder
75904-01125100036DPSTChrome LeverSilver Plated CopperPlated Steel, Indexing and alignment pinBrass 3/4 - 16 thread 17/32 long fits panel through 1/4 thickOrder
75904-01-BX125100036DPSTChrome LeverSilver Plated CopperPlated Steel, Indexing and alignment pinBrass 3/4 - 16 thread 17/32 long fits panel through 1/4 thickOrder
75904-02175100036DPSTHencol LockSilverPlated SteelBrass 3/4 - 16 thread 17/32 long fits panel through 1/4 thickOrder
75904-02-BX175100036DPSTHencol LockSilverPlated SteelBrass 3/4 - 16 thread 17/32 long fits panel through 1/4 thickOrder
75904-03125100036DPSTKeySilverPlated SteelBrass 3/4 - 16Order
75904-03-BX125100036DPSTKeySilverPlated SteelBrass 3/4 - 16Order
75904-07175100036DPSTChrome LeverSilver Plated CopperPlated SteelBrass 3/4 - 16Order
75904-10175100036DPSTNoneBrassPlated SteelBrass 3/4 - 16 thread 23/32 long fits panel through 3/16 thickOrder
75904-1212580036DPSTLeverSilverPlated SteelOrder
75904-BX175100036DPSTChrome LeverSilverPlated SteelBrass 3/4 - 16 thread 23/32 long fits panel through 3/16 thickOrder
75904-01125100036DPSTChrome LeverSilver Plated CopperPlated Steel, Indexing and alignment pinBrass 3/4 - 16 thread 17/32 long fits panel through 1/4 thickCheckOrder
75904-01-BX125100036DPSTChrome LeverSilver Plated CopperPlated Steel, Indexing and alignment pinBrass 3/4 - 16 thread 17/32 long fits panel through 1/4 thickCheckOrder
75904-02175100036DPSTHencol LockSilverPlated SteelBrass 3/4 - 16 thread 17/32 long fits panel through 1/4 thickCheckOrder
75904-02-BX175100036DPSTHencol LockSilverPlated SteelBrass 3/4 - 16 thread 17/32 long fits panel through 1/4 thickCheckOrder
75904-03125100036DPSTKeySilverPlated SteelBrass 3/4 - 16CheckOrder
75904-03-BX125100036DPSTKeySilverPlated SteelBrass 3/4 - 16CheckOrder
75904-07175100036DPSTChrome LeverSilver Plated CopperPlated SteelBrass 3/4 - 16CheckOrder
75904-10175100036DPSTNoneBrassPlated SteelBrass 3/4 - 16 thread 23/32 long fits panel through 3/16 thickCheckOrder
75904-1212580036DPSTLeverSilverPlated SteelCheckOrder
75904-BX175100036DPSTChrome LeverSilverPlated SteelBrass 3/4 - 16 thread 23/32 long fits panel through 3/16 thickCheckOrder
75907300200036DPSTLeverCopperPlated Steel3/4 - 16 thread fits panel through 1/4 thickCheckOrder
75907-BX300200036DPSTLeverCopperPlated Steel3/4 - 16 thread fits panel through 1/4 thickOrder
75907-BX300200036DPSTLeverCopperPlated Steel3/4 - 16 thread fits panel through 1/4 thickCheckOrder
7591212575036DPSTLeverSilver Plated CopperPlated SteelBrass 3/4 - 16 thread 17/32 long fits panel through 1/4 thickCheckOrder
75912-BX12575036DPSTLeverSilver Plated CopperPlated SteelBrass 3/4 - 16 thread 17/32 long fits panel through 1/4 thickOrder
75912-BX12575036DPSTLeverSilver Plated CopperPlated SteelBrass 3/4 - 16 thread 17/32 long fits panel through 1/4 thickCheckOrder
24505Diecast LeverSurface3/4in dia / 19.1mm diaCheckOrder
24505-BXDiecast Lever3/4in dia / 19.1mm diaCheckOrder

  • Showing 1 items
Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s) IPC-Material Declaration
75912 SW MASTER DISCONNECT DPST RoHS No 08/18/2019 PbFree No 08/18/2019 Yes
08/18/2019
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