When tractor-trailers and tanker trucks work, so does the economy. Littelfuse keeps the literal wheels of commerce turning by making overcurrent
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Keep service personnel safe and protect the battery and electrical systems in your emergency vehicle, tractor, heavy-duty truck, or boat with the 75920 Series 70V Master Battery Disconnect Switch.
The heavy-duty battery disconnect switch ensures the safety of service professionals by disconnecting the battery from the vehicle electrical system, safeguards against battery drain from parasitic loads, and features built-in lock-out/tag-out for tampering and theft prevention.
As an IPX8-rated waterproof battery disconnect switch, it is ideal for a wide range of vehicles, including construction equipment, heavy-duty trucks, boats, and vehicles operating in harsh conditions, such as snowplows and snow removal equipment. Fitting a standard master disconnect mounting pattern, the 75920 series can be used as a drop-in replacement.
With a large knob that makes manual operation simple, plus clear switch position markings and 90° switch travel, the high-amp battery disconnect can effectively be used as a manual emergency power cutoff switch.
- High amperage continuous current capacity of 400A with a single 4/0 cable at 24V DC, 500A at 70V DC with two 4/0 cables
- IPX8-rated waterproof battery disconnect switch for external mounting on vehicles as well as installation on boats and marine equipment
- Can be used in high-side or low-side applications
- Black or gray thermoplastic housing with a UL 94 V-0 rating
- Tested per SAE J1455 for salt, calcium chloride, and magnesium chloride, delivering a rust- and corrosion-free high-amp battery disconnect
- Large red, yellow, or black knob makes the master battery disconnect switch easy to operate while wearing gloves
- Built-in lock-out/tag-out (LOTO) satisfies OSHA requirements for an energy isolation device
- Large divider on the base prevents accidental shorting of high energy cables
75920 Parts
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Filters
75920 Applications
Tractor-Trailers
Bulldozers
Bulldozers need immense power and advanced electronic components that ensure peak performance in harsh environments. Trust Littelfuse to deliver
Forklifts
Rely on Littelfuse to deliver circuit protection and power management solutions designed to boost the performance of electric forklifts and other
Highlights Section
- Heavy-Duty Trucks
- Construction
- Agricultural Equipment
- Material Handling
- Mining
- Off-Road Vehicles
- Emergency Vehicles
- Marine
Series: 75920 Resources
75920 Series Product Video
Keep service personnel safe and protect the battery and electrical systems in your emergency vehicle, tractor, heavy-duty truck, or boat with the 75920 Series 70V Master Battery Disconnect Switch.