Schneider Electric 32893 NS630N Circuit Breaker

Schneider Electric's Compact NS630N circuit breaker (part number 32893, STR23SE trip unit) is a three‑pole molded‑case protector rated for 630 A. It is designed for industrial distribution panels and main feeders, with a nominal voltage rating up to 750 V AC and a rated insulation voltage (Ui) of 750 V. The unit supports 50/60 Hz operation and delivers a robust short‑circuit capacity of 50 kA at 415 V, making it suitable for demanding electrical networks. This bolt‑on breaker is configured for 3P3D mounting with a 45 mm pitch and includes Long‑Time (LT) and Instantaneous trip functions for selective overcurrent protection. As part of the NS630N family, it is intended for use as a main breaker in switchboards and distribution boards to safeguard motors, transformers, and other heavy loads, while adhering to applicable IEC 60947‑2 standards.