ABB 1SDA053954R1 is a SACE Tmax T2S molded‑case circuit breaker (MCCB) configured as a three‑pole unit rated at 50 A for use in 480 V AC distribution. This 3P/50A/480V variant sits in ABB’s Tmax T2S family and carries bolt‑on line terminals with load‑side lugs for secure, field assembly. Designed for panel installations, the unit provides overcurrent protection for feeders and distribution circuits within commercial and light industrial electrical panels, leveraging the proven reliability of ABB SACE Tmax T technology.
