Sea-Dog Line 830226 SD-17 Hi-Amp Resettable Thermal Circuit Breaker Surface Mount

The Sea-Dog Line SD-17 is a hi-amp resettable thermal circuit breaker designed for demanding marine electrical installations. Built for surface mounting, it requires no dedicated breaker panel, making installation flexible and straightforward aboard any vessel. The breaker provides a visible indication of tripped condition, so fault detection is quick and easy.

Rated for use in harsh environments, the SD-17 is water resistant and sealed to IP67, making it well-suited for engine compartment and bilge area applications. It is ignition protected per SAE J1171, an essential safety requirement in fuel-vapor-prone spaces.

Key Features:

• Amperage Range: 25A–150A
• Maximum Voltage: 48V DC
• Amperage Interrupt Capacity (AIC): 3,000A @ 14VDC / 1,500A @ 48VDC
• Terminal Studs: 1/4"-28 stainless steel
• Ingress Protection: IP67 — water resistant and sealed
• Reset Type: Manual / Switchable reset
• Housing: Thermoset plastic with stainless steel studs and washers
• Mount Style: Surface mount — no panel required
• Made in the USA

Certifications & Standards:

• SAE J1625 — Circuit Breaker Standard
• ABYC-E11 — AC & DC Electrical Systems on Boats
• UL1077 — Supplementary Protectors
• SAE J1171 — Ignition Protection

The SD-17 surface mount circuit breaker is an ideal choice for protecting high-current marine electrical circuits including windlasses, thrusters, bilge pumps, and other DC accessories up to 150 amps.