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The OptiFuse 143135 is a heavy-duty, high amperage, waterproof circuit breaker designed for robust protection.
This Type III manual reset breaker features a 135A current rating and a 42VDC voltage rating. It is built with a thermoset plastic body (UL94V-0) and nickel-plated terminals, ensuring durability in demanding environments. The panel mount design with 1/4”-28 studs allows for secure installation.
With an interrupting rating of 3000A at 30VDC (ABYC E-11), the 143135 provides significant fault current protection. It operates within a temperature range of -32°C to 82°C and is ignition protected per SAE J1171, making it suitable for automotive and marine applications. The IP67 rating ensures protection against dust and water immersion.
Trip curve data indicates performance at various current levels: 135% of rated current trips between 50 seconds and 30 minutes, 200% between 12 seconds and 45 seconds, and 300% between 3.5 seconds and 15 seconds. This breaker is tested to SAE J553 and IEC 60934 standards.
42VDC.
135A.
3000A at 30VDC.
-32°C to 82°C.
Manual reset (Type III).
Yes, per SAE J1171.
IP67.