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This OptiFuse 143040 is a Type III manual reset circuit breaker designed for heavy-duty applications requiring high amperage protection. It offers a robust solution with a 40A current rating and a 42VDC voltage rating.
The breaker is constructed with a thermoset plastic body (UL94V-0) and nickel-plated terminals, ensuring durability in demanding environments. It features a panel mount design with 1/4”-28 studs and a maximum torque specification of 10.3 N.m. The unit is ignition protected per SAE J1171 and has an IP67 ingress protection rating, making it suitable for waterproof applications.
Electrical specifications include an interrupting rating of 3000A at 30VDC (ABYC E-11). The operating temperature range is from -32°C to 82°C. Trip curves are provided for various percentages of rated current, indicating specific trip times for 135%, 200%, and 300% of the rated current.
Testing standards include SAE J553 and IEC 60934. This circuit breaker is an ideal choice for applications requiring reliable overcurrent protection in harsh or wet conditions.
The OptiFuse 143040 circuit breaker has a current rating of 40A.
The voltage rating for the OptiFuse 143040 is 42VDC.
The OptiFuse 143040 circuit breaker features a manual reset.
The OptiFuse 143040 circuit breaker is designed for panel mounting.
The operating temperature range for the OptiFuse 143040 is -32°C to 82°C.
The OptiFuse 143040 has an IP67 ingress protection rating.
Yes, the OptiFuse 143040 is ignition protected per SAE J1171.