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.
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