Auto. Circuit Breaker, 20A

Auto. Circuit Breaker, 20A

The UCB-20 Automatic Circuit Breaker is a 20 amp Type I cycling breaker designed to fit standard ATC fuse panel footprints for convenient replacement of ATC blade fuses. Manufactured under the Bussmann BP/UCB-20-RP series, this breaker features snap-off universal blades for tight fuse block spacing or recessed terminals. As a Type I automatic reset breaker, it cycles OFF and ON during an overload condition and automatically resets once the fault clears—providing protection while helping you quickly identify ongoing electrical issues.

Country of Origin
Varies by production batch

Key Features / Specifications

• Model / Part Number: UCB-20
• Series: Bussmann BP/UCB-20-RP
• Product Type: Type I Automatic Reset Circuit Breaker
• Amperage Rating: 20 Amp
• Voltage Rating: 12 VDC
• Footprint: ATC blade-style footprint (matches ATC fuses)
• Reset Type: Type I – Automatic Reset (Cycling)
• Blade Design: Snap-off universal blades for tight spacing or recessed terminals
• Operation: Cycles OFF and ON until overload condition is corrected

Ideal For

• Automotive and vehicle circuits using ATC fuse panels
• Applications requiring a self-resetting 20A breaker
• Circuits where temporary overload protection is needed
• Replacing standard ATC blade fuses with a reusable protection device