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Osculati Heavy Duty Waterproof Magnetothermal Circuit Breakers for Windlass, Bow Thruster & Gangway (50–250A)
The Osculati Heavy Duty Magnetothermal Circuit Breaker range is engineered to protect high-current marine electrical systems while providing reliable manual power isolation. Designed for demanding installations, these heavy-duty breakers combine a resettable circuit breaker and battery disconnect switch in a single compact unit.
Manufactured in accordance with USA SAE J1171 and SAE J1625 standards, these professional-grade circuit breakers are suitable for electric anchor windlasses, bow thrusters, hydraulic gangways and other heavy-duty DC equipment. The integrated manual reset lever allows quick restoration after overload protection has been activated.
The robust IP67 waterproof housing is designed for harsh marine environments and features oversized 3/8" electrical terminals for secure connection of high-current cables. Suitable for electrical systems up to 48V DC, these breakers are available in current ratings from 50A to 250A.
Key Features
- Heavy-duty magnetothermal circuit breaker;
- Resettable overload protection;
- Functions as both circuit breaker and disconnect switch;
- Manual reset lever;
- IP67 waterproof construction;
- Manufactured to SAE J1171 and SAE J1625 standards;
- Heavy-duty 3/8" electrical terminals;
- Maximum operating voltage: 48V DC;
- Operating temperature: -32°C to +92°C;
- Designed for high-current marine electrical systems.
Available Versions
Osculati Code Current Rating Electrical Terminals Application 02.752.50 50 A 3/8" Windlass / Bow Thruster / Gangway 02.752.70 70 A 3/8" Windlass / Bow Thruster / Gangway 02.752.10 100 A 3/8" Windlass / Bow Thruster / Gangway 02.752.15 150 A 3/8" Windlass / Bow Thruster / Gangway 02.752.20 200 A 3/8" Windlass / Bow Thruster / Gangway 02.752.25 250 A 3/8" Windlass / Bow Thruster / Gangway
Technical Specifications
Protection Type Resettable Magnetothermal Circuit Breaker Installation Surface Mount Electrical Terminals 3/8" Maximum Voltage 48V DC Protection Rating IP67 Operating Temperature -32°C to +92°C Standards SAE J1171 / SAE J1625 Reset Method Manual Lever Reset Duty Rating Heavy Duty
Applications
- Electric anchor windlasses;
- Bow thrusters;
- Hydraulic gangways (passerelles);
- High-current DC marine electrical systems;
- Professional and recreational vessels.
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