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Mechanical Products 321-A2M-50 Circuit Breaker, 50A 12VDC Type 1 Auto Reset
Mechanical Products 321-A2M-50 Circuit Breaker, 50A 12VDC Type 1 Auto Reset
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This is a rugged, commercial-grade Series 32 single-pole thermal circuit breaker engineered for reliable overcurrent protection in automotive, marine, and low-voltage DC applications.
The Type 1 Automatic Reset configuration provides a seamless power management solution. When an overload or short circuit is detected, the breaker trips open to protect the circuit and automatically resets after cooling down, minimizing equipment downtime.
Product Features
- Automatic Reset Functionality: Type I operation automatically cycles and resets after an overload trip once the internal bimetallic strip cools down.
- Rugged Metal Cover: Features a heavy-duty metal cover housing for added durability and physical protection in demanding environments.
- Parallel Bracket Mounting: Equipped with integrated side-mounting brackets for flat, flush-mount installation onto panel walls, chassis, or firewalls.
- Dual Stud Terminals: Features two robust #10-32 threaded terminal studs to ensure a secure, high-vibration-resistant wiring connection.
- Industry Standards: Manufactured to meet rigorous industry compliance, including SAE J553 and SAE J1171 for reliable ignition protection.
Technical Specifications
- Current Rating: 50 Amps
- Voltage Rating: 12V - 14V DC (optimized for standard 12V DC vehicle and boat systems)
- Reset Type: Type 1 (Automatic Reset)
- Mounting Style: Parallel Side Bracket (M-Type)
- Interrupt Capacity: 2,500A @ 12VDC
- Cross-Reference Compatibility: Fits as a direct drop-in replacement for CBC-50B or 121A50-A2M legacy components.
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