Technical Parameters Parameter Category Typical Specification for this Configuration General • Rated Voltage (Ur) 12 kV • Rated Frequency 50 / 60 Hz • Insulation Level 12/32 kV (Power freq./Impulse) • Design Standard IEC 62271-100, ANSI C37.06 Current Ratings • Rated Normal Current (Ir) 1500 A • Rated Short-Circuit Breaking Current (Isc) 25 kA or 31.5 kA (Must verify with drawing 54617997) • Rated Short-Time Withstand Current (Ik) Typically equals Isc for 3s. • Rated Peak Withstand Current (Ip) Typically 2.5 x Isc. Switching Performance • Rated Breaking Capacity Full Isc at Ur. • Mechanical Endurance ≥ 20,000 operations (M2 class) • Electrical Endurance ≥ 10,000 operations at full Ir (E2 class) Operating Mechanism (F) • Type Spring-operated, stored energy. • Charging Motor Electric motor, voltage per drawing 54617997. • Closing Time ~60 – 80 ms • Opening Time ~40 – 60 ms Releases (G included) • Standard Protections Integrated with external protection relay. The breaker has shunt trips and auxiliary switches to interface with it. • Undervoltage Release (G) Trips the breaker upon loss of control power. Voltage per drawing. • Other Possible Releases Overcurrent releases, special locking coils (not indicated in this code). Vacuum Interrupter • Type Axial magnetic field or radial field, for long contact life. • Rated Switching Currents Suitable for transformer, cable, and motor switching. Dimensions & Weight • Width Approx. 600 – 800 mm (depends on panel design) • Weight Approx. 150 – 200 kg