ABB SACE Tmax T2S 1SDA053954R1 is a three‑pole molded‑case circuit breaker from the Tmax T2S family, designed to protect industrial power‑distribution circuits. This specific model is rated for 50 A at up to 480 V (AC) and is supplied as a bolt‑on line‑side connection with load‑side lugs (the w/Bolts variant described with this part number). As a 1SDA053954R1 device, it represents a 3P, 50A, 480V breaker within ABB’s SACE Tmax Tmax T2S lineup, commonly used in panelboards and switchgear for reliable overcurrent protection in 3‑phase 480 VAC systems.
