Description
Product Overview
The M1A2 40A Inline Circuit Breaker is engineered for high‑current DC applications where safety and reliability are paramount. Constructed with a rugged metal housing and a precision‑rated 40 Amp trip point, it provides instant protection against overloads and short circuits. The panel‑mount style fits standard automotive and marine panels, while the bright red manual reset button offers clear visual status and easy re‑arming after a fault. Certified to SAE J162S and J1171 standards, this breaker meets stringent ignition‑protected requirements for marine and off‑road use.
Usage
Designed for car audio amplifiers, video systems, boats, trucks, buses, RVs, ATVs and other DC‑powered equipment, the breaker safeguards critical circuits from damage. Install it in the main power distribution panel of a vehicle or boat to protect battery feeds, trolling motors, and auxiliary lighting. Its compact 3.9 in × 1.65 in × 1.57 in dimensions make it ideal for tight spaces where reliable protection is essential.
Why Choose Us
M1A2 combines decades of expertise in automotive and marine electrical components. Each breaker undergoes rigorous testing to ensure consistent trip performance and long‑term durability. The inclusion of insulated screws, heat‑shrink tubing, and a portable wrench simplifies installation, while the red reset button serves as a master disconnect for added safety. Our commitment to quality means you receive a product that meets or exceeds industry standards, backed by responsive customer support.
Key Features
- 40 Amp rating suitable for high‑power DC systems
- Panel‑mount design with compact footprint for easy integration
- Red manual reset button provides instant visual fault indication
- SAE J162S and J1171 compliant for marine and automotive safety
- Complete installation kit includes screws, heat‑shrink tubing and wrench
FAQ
What voltage range does this breaker support?
The M1A2 breaker is rated for 12 V and 48 V DC systems, making it suitable for most automotive and marine applications.
Can I use this breaker for multiple circuits?
Each unit is a single‑pole breaker designed to protect one circuit. For multi‑circuit protection, install additional breakers as needed.
How do I reset the breaker after it trips?
Press the bright red manual reset button firmly until it clicks into the ‘on’ position. Ensure the fault condition is resolved before resetting.
Is the breaker waterproof?
While the breaker itself is sealed against moisture, it should be installed in a dry compartment or protected with appropriate marine‑grade enclosures.
What warranty does M1A2 provide?
All M1A2 circuit breakers come with a one‑year limited warranty covering manufacturing defects.
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