ABB 1SDA054878R1 Circuit Breaker Accessory, 0.08 kgs, Current Lifecycle

The ABB 1SDA054878R1 is a circuit breaker accessory for the TMAX T molded case circuit breaker line. It's classified under Circuit Breaker Accessories, sitting within the broader Molded Case Circuit Breakers (MCCB) category. This is the part you'd order when you need a specific add-on or replacement piece for that breaker family — not the breaker itself, but the bracket, terminal, or mechanical interlock that makes the installation work.

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