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WG 3P 315A

The Schneider Electric WG is a 3-pole, 315A Air Circuit Breaker (ACB) designed for main distribution and protection in commercial, industrial, and infrastructure applications. As part of the Masterpact series, it provides high-performance protection for critical power distribution systems with advanced functionality and reliability.

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Parameters Parameter Specification Product Series Masterpact WG (Air Circuit Breaker) Type Fixed or Draw-out Air Circuit Breaker (ACB) Poles 3P (3 poles) Rated Current 315 A Frame Size WG frame (typically covers 400-630A range) Rated Voltage (Ue) Up to 690V AC Rated Frequency 50/60 Hz Breaking Capacity (Icu) 42 kA to 100 kA (depending on specific model and voltage) Service Breaking Capacity (Ics) Typically 100% of Icu Short-Time Withstand (Icw) 30 kA / 1 sec to 65 kA / 1 sec (model dependent) Trip Unit Options • Micrologic 2.0 (basic protection) • Micrologic 5.0 (protection + measurement) • Micrologic 6.0 (protection + measurement + communication) Protection Functions • Long-time overload (L) • Short-time short-circuit (S) • Instantaneous short-circuit (I) • Ground fault protection (G) Standards IEC 60947-2, UL 489, CCC, CE Operation Manual spring-charged mechanism or motor operation Mounting Fixed or draw-out (with cradle) Width Approx. 210-260 mm (varies by accessories) Connection Front or rear connection Cable: up to 240 mm² Busbar: up to 50x10 mm