Key Specifications Brand: Schneider Electric Product Series: HVX (Medium Voltage Vacuum Circuit Breaker) Model Reference: HXV12-25-06E210 Product Type: Indoor medium-voltage vacuum circuit breaker Mounting Type: Fixed or drawout (depending on configuration) Standards: IEC 62271-100, GB 1984, DL/T 403 Electrical Parameters Voltage Ratings Rated Voltage (Ur): 12 kV Rated Insulation Level: Power Frequency Withstand Voltage (1 min): 42 kV Lightning Impulse Withstand Voltage (peak): 75 kV Rated Frequency: 50/60 Hz Current Ratings Rated Normal Current (Ir): 630 A (based on model code interpretation) Rated Short-circuit Breaking Current (Isc): 25 kA Rated Short-circuit Making Current: 63 kA (peak) Rated Short-time Withstand Current (Icw): 25 kA for 4 seconds Rated Peak Withstand Current: 63 kA Operating Mechanism Mechanism Type: Spring-operated stored energy mechanism Control Voltage: DC 110V / 220V (typical, to be verified from full configuration) Operating Sequence: O - 0.3s - CO - 180s - CO (typical for auto-reclosing) Detailed Technical Parameters Parameter Value Notes Rated Voltage (Ur) 12 kV Rated Insulation Level - Power Frequency Withstand 42 kV Dry and wet test - Lightning Impulse Withstand 75 kV Peak value Rated Frequency 50/60 Hz Rated Normal Current (Ir) 630 A At 50°C ambient Rated Short-circuit Breaking Current 25 kA Symmetrical RMS DC Component 40% At 25 kA breaking capacity Rated Short-circuit Making Current 63 kA Peak value Rated Short-time Withstand Current 25 kA / 4s Thermal withstand Rated Peak Withstand Current 63 kA Dynamic withstand Rated Operating Sequence O - 0.3s - CO - 180s - CO Auto-reclosing cycle Mechanical Endurance 30,000 operations Class M2 Electrical Endurance Up to 100 breaking operations at rated current Class E2 Construction Details Number of Poles: 3 poles Interrupter Technology: Vacuum interrupters (ceramic or glass-ceramic) Pole Encapsulation: Epoxy resin insulated poles (cast resin) Mechanism: Stored energy spring mechanism with manual and motor charging Auxiliary Contacts: 5 NO + 5 NC (typical configuration)