Description
Heavy-Duty Battery Master Disconnect Switch for Automotive & Motorsport Use
The Pollak 51-902 is a rugged, lever-operated SPST battery master disconnect switch built for vehicles that demand reliable, instant power cutoff. Whether you’re prepping a race car, securing a work truck, or protecting a stored vehicle from parasitic drain, this switch delivers the durability and current capacity to get the job done right.
Key Specifications
- Switch Type: SPST (Single Pole, Single Throw) Off/On
- Current Rating: 180 Amps continuous
- In-Rush Rating: 1,000 Amps
- Voltage Range: 636V DC
- Terminal Type: (2) 3/8″ studs
- Housing: One-piece die-cast, sealed construction
- Dimensions: 2-5/8″ diameter 4-3/8″ long
- Mounting Stem: 3/4″ diameter 1/2″ long
- Operation: Lever operated
- Certification: UL558 listed
- Includes: Switch plate
Why Choose the Pollak 51-902?
With a sealed, one-piece die-cast housing, the 51-902 stands up to the vibration, heat, and moisture exposure common in motorsport and commercial vehicle environments. The lever-operated design gives you fast, positive actuation no fumbling for a key or a recessed button when you need to cut power quickly.
The 1,000-amp in-rush rating means it handles the surge demand of starter motors without flinching, while the 180-amp continuous rating covers virtually any 12V or 24V vehicle electrical system.
Important Notes
- Designed for battery circuit use only
- Does not disconnect the alternator or generator for full electrical isolation, additional steps may be required
- Compatible with 6V, 12V, 24V, and up to 36V DC systems
A trusted name in disconnect switches the Pollak 51-902 is the straightforward, reliable choice for anyone who needs a heavy-duty master disconnect they can count on.
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