Beginner — under 30 min
Description
MIA's Description
It features a 40A amperage rating and a 22 Vdc voltage rating, with an interrupt rating of 1.5 kAIC at 12 Vdc. The circuit breaker has #10-32 TPI stud connections and a Type III design. Its dimensions are 1.8 inches in width, 1.35 inches in height, and 0.58 inches in depth. This product is RoHS compliant.
Fitment
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Specifications
| Brand | BUSSMANN |
| Part Number | B03L BK/CB123-40B |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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