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The OptiFuse 143200 is a Type III manual reset circuit breaker designed for heavy-duty applications requiring high amperage protection. It offers a robust 200A current rating and is suitable for systems operating up to 42VDC.
This circuit breaker is built for durability and environmental resistance, featuring a waterproof design with an IP67 ingress protection rating. The body is constructed from thermoset plastic (UL94V-0) and the terminals are nickel-plated for reliable conductivity. It is designed for panel mounting and includes a 1/4"-28 stud terminal configuration with a maximum torque specification of 10.3 N.m.
Key electrical specifications include an interrupting rating of 3000A at 30VDC (ABYC E-11). The operating temperature range is from -32°C to 82°C. The breaker is ignition protected according to SAE J1171 standards and tested to SAE J553 and IEC 60934.
Trip curve data indicates specific hold times at various percentages of rated current, ensuring appropriate protection levels. For instance, at 135% of rated current, it has a minimum hold time of 30 minutes, and at 300% of rated current, a minimum hold time of 3.5 seconds.
The OptiFuse 143200 circuit breaker has a current rating of 200A.
The voltage rating for the OptiFuse 143200 circuit breaker is 42VDC.
The OptiFuse 143200 circuit breaker features a manual reset, specifically Type III.
The operating temperature range for the OptiFuse 143200 is -32°C to 82°C.
The OptiFuse 143200 has an IP67 ingress protection rating.
At 200% of its rated current, the OptiFuse 143200 has a minimum hold time of 12 seconds and a maximum hold time of 45 seconds.
Yes, the OptiFuse 143200 circuit breaker is ignition protected according to SAE J1171.