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Primary and secondary deep integration intelligent pole-mounted AC vacuum circuit breaker (isolated type)
ZW32-12/T630-20G
- Product Description
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- Deep integration of primary and secondary intelligent pole-mounted circuit breakers, sealed pole with built-in current sensor, dual voltage sensors on input and output sides, zero-sequence current and voltage sensors, built-in capacitive voltage divider energy storage electronic PT;
- Circuit breaker inherent trip time ≤20ms, spring operating mechanism achieves fast trip;
- Circuit breaker whole unit IP67, completely solves mechanism jamming issues caused by external environment;
- Pole shell made of silicone rubber material, anti-aging, high hydrophobicity, impact resistant;
- External integrated silver-plated isolating switch, interlocked to prevent misoperation;
Technical Parameters
Serial Number Name Unit Parameter 1 Arc Extinguishing Chamber Type - Vacuum 2 Insulating Medium - Solid Insulation 3 Rated Voltage kV 12 4 Rated Frequency Hz 50 5 Rated Current A 630 6 Rated Short-Time Withstand Current kA 20 7 Rated Short-Circuit Breaking Current kA 20 8 Rated Peak Withstand Current kA 50 9 Rated Short-Circuit Duration s 4 10 Rated Short-Circuit Breaking Current Breaking Times times ≥30 11 Rated Operating Sequence (Rated operating cycle should not reduce the rated value) - O-0.3s-CO-180s-CO 12 Rated Lightning Impulse Withstand Voltage Between Phases and Phase to Ground 75 kV Contact Gap 85 kV 13 Rated Power Frequency Short-Time Withstand Voltage (1min) Between Phases and Phase to Ground 42 kV Contact Gap 48 kV 14 Whole Unit Partial Discharge (Including Current and Voltage Sensors and Power Supply Module) Test Voltage 14.4 kV Partial Discharge ≤10 pC
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