1SDA100363R1

The ABB 1SDA100363R1 is a Tmax XT5N 630 molded-case circuit breaker (MCCB) designed for reliable protection and switching in low-voltage electrical distribution systems. It is a 3-pole fixed circuit breaker with front terminals, equipped with an Ekip Dip LSIG electronic trip unit rated at 630 A. ABB's official catalog identifies the exact product code as 1SDA100363R1 and the extended product type as XT5N 630 Ekip Dip LSIG In=630 3p F F. The Ekip Dip LSIG electronic trip unit provides four principal protection functions: L (Long-time) for overload protection, S (Short-time) for short-circuit protection, I (Instantaneous) for rapid short-circuit protection, and G (Ground-fault) protection. This provides comprehensive protection for feeders and distribution circuits.