30A-300A 12V-48V DC 187 Type Marine Rated Circuit Breaker with Manual Reset – Surface Mount
What is included
1 x Circuit Breakers
2 x Battery Terminal Covers
2 x Wire Lugs
3 x Screws
About this item
【Wide Amperage Range】- This marine grade circuit breaker offers a comprehensive range of amperage options from 30A to 300A, covering a wide spectrum of needs for automotive, marine, RV, and industrial applications.
【Reliable Overcurrent Protection】- This circuit breaker with manual reset is designed with a trip-free mechanism that ensures automatic disconnection in the event of an overcurrent event, preventing damage to valuable equipment and increasing user safety.
【Simplified Installation】- Designed for convenient surface mounting, this circuit breaker features recessed mounting holes for a sleek appearance and accepts large-gauge wires (up to 1/0 AWG), simplifying installation and integration.
【Ignition Protected Design】- Meeting stringent SAE J1171 external ignition protection requirements, this circuit breaker guarantees safe and reliable operation in harsh environments, including gasoline-powered boats and vehicles.
【Robust & Durable Construction】- This heavy-duty circuit breaker features robust 5/16″-18 (M8) terminals for secure, high-torque connections and a waterproof design to withstand demanding conditions, ensuring long-lasting performance and reliability.
Spec
| Rated Voltage | 12-48VDC, Maximum Voltage 48V DC |
| Rated Current | 30A / 50A / 60A / 100A / 300A |
| Interrupt Rating | 5000A @ 14VDC, 3000A @ 28VDC, 1500A @ 48VDC |
| Operating Temperature: | -40 °F(-40℃)to 185 °F(85 ℃) |
| Materials | Thermo-set Polyester |
| Circuit Breaker Class | Type III – switchable/manual reset – trip free |
| Terminal Stud Size | 5/16″-18″ |
| Mounting Hole | Accept #10 (M5) Screw |
| Mounting | Surface Mount |






Made with care
Great value
Elegant design
Quality materials
Details
This product is crafted with quality materials to ensure durability and performance. Designed with your convenience in mind, it seamlessly fits into your everyday life.
Shipping & Returns
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