Sea-Dog Line 830352 SD-32 Short Stop Resettable Circuit Breaker 20A 28V DC

The Sea-Dog Line SD-32 Short Stop Resettable Circuit Breaker (Part #830352) is a compact, single-pole marine-grade circuit breaker designed for dependable overcurrent protection in DC electrical systems. Built to withstand the harsh marine environment, this breaker features a durable injection-molded nylon/polycarbonate housing with a protective cover, making it equally well-suited for boats, RVs, and other powersport applications.

Rated at 20 amps and 28 volts DC, the SD-32 uses a manual reset (reset-only) mechanism, meaning the breaker must be manually reset after a trip — providing an added layer of awareness for the operator. The No. 10-32 stud terminal ensures a secure and reliable electrical connection.

Key Features:

• 20 Amp / 28 Volt DC rated single-pole circuit breaker
• Manual reset (reset-only) — requires manual intervention to restore power after a trip
• IP66 protection rating — dust-tight and protected against powerful water jets
• SAE J553 / J1171 compliant — meets marine industry standards
• No. 10-32 stud terminal for secure wiring connections
• Injection-molded nylon/polycarbonate housing for corrosion resistance
• Includes protective cover to guard against accidental contact and moisture intrusion
• Compact footprint — ideal for tight installations

The SD-32 Short Stop circuit breaker is a trusted solution for protecting marine electrical circuits from damaging shorts and overloads. Its rugged construction, IP66 sealing, and SAE-certified design make it a reliable choice for both fresh and saltwater environments.