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| Manufacturer Name | |
| Actuator Type | |
| Approval Agency | |
| Automotive Grade | |
| Body Material | |
| Current Rating | |
| Current Rating (Amps) | |
| Illumination | |
| Ingress Protection | |
| Mounting Type | |
| Number of Poles | |
| Termination Style | |
| Voltage Rating |
The OptiFuse 151040 is a heavy-duty, waterproof, high-amp automotive circuit breaker rated for 40A and 42VDC. It features an automatic reset type, making it suitable for applications requiring continuous operation after a fault.
This circuit breaker is designed for surface mounting and utilizes 1/4”-28 stud terminals with a maximum torque specification of 10.3 N.m. The body is constructed from thermoset plastic (UL94V-0) with nickel-plated terminals, ensuring durability and resistance to harsh environments. It operates within a temperature range of -32°C to 82°C (-25°F to 180°F).
Compliance includes SAE J553 Type I, SAE J1171 ignition protection, and an IP67 ingress protection rating, indicating its suitability for marine and automotive applications where water and dust resistance are critical. The interrupting rating is 3000A at 30VDC (ABYC E-11).
Trip time characteristics are defined at 135%, 200%, and 300% of the rated current, with specific minimum and maximum hold times provided for each level. It also features a no-trip condition for loads up to 100% of the rated current for at least 30 minutes.
The voltage rating is 42VDC.
The current rating is 40A.
It features an automatic reset type.
The operating temperature range is -32°C to 82°C.
It has an IP67 ingress protection rating.
Yes, it is ignition protected according to SAE J1171.
The interrupting rating is 3000A at 30VDC.