75904-01 - 75900 Double Pole Series

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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.
Property (Mouseover for details) Value
Current Rating (Continuous) in Amps 125
Current Rating (Inrush) in Amps 1000
Voltage Rating (Max) 36
Circuitry DPST
Actuator Chrome Lever
Contact Material Silver Plated Copper
Housing Plated Steel, Indexing and alignment pin
Mounting stem Brass 3/4 - 16 thread 17/32 long fits panel through 1/4 thick
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