The ABB GSL II IEC Outdoor AC Railways Vacuum Circuit Breaker is a single-phase, heavy-duty breaker with a magnetic actuator, designed for railway power supply up to 17.5 kV, 2500 A, and 31.5 kA or 40 kA interrupting capacity. Part of the GSx product range, it is purpose-built for 16.7 Hz feeder stations requiring fast tripping times. High mechanism endurance and excellent electrical performance of vacuum interrupters ensure a reliable, maintenance-free product with low lifecycle costs. Country of origin: not specified (typically, ABB products are manufactured in the USA or Europe). Operating temperature: -40 to +70°C (standard for railway applications). Weight and packaging dimensions not specified. Product lifecycle: active product. Applications: railway power supply, particularly 16.7 Hz feeder stations, high-speed railways.