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40.5kV Embedded Pole - 328mm phase to phase
40.5kV Embedded Pole - 328mm phase to phase
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DetailRated Voltage :40.5kVRated Current :630A/1250A/1600A
Rated Frequency :50Hz
Rated Short - circuit Breaking Current :25kA/31.5kARated Short - circuit Breaking Current Operation Times :30 timesRated Short - circuit Making Current :63kA/80kARated Peak Withstand Current :63kA/80kARated Short - time Withstand Current (4s) :25kA/31.5kA/
Rated Breaking Current for Single Capacitor Bank :630ARated Breaking Current for Back-to-Back Capacitor Banks :400AShort - time (1min) Power Frequency Withstand Voltage :95kVLightning Impulse Withstand Voltage (Peak Value) :185kVLoop Resistance at Rated Contact Pressure :≤20~30μΩMechanical Endurance :10,000 operationsContact Opening Force :250±60NContact Reaction Force at Rated Opening Distance :340±60NAllowable Contact Wear Thickness :3mm
Partial Discharge Quantity :≤5pCRated Operating Sequence :O-0.3s-CO-180s-CO
Mechanical Parameters to be Met by the Matched Vacuum Circuit Breaker
Contact Opening Distance :18±2mmRated Over - travel :6±1mmAverage Opening Speed :1.7±0.2m/sAverage Closing Speed :0.8±0.2m/sRated Contact Pressure :3500±200NContact Closing Bounce Time :<3msContact Asynchronism :<2msOpening Contact Rebound Amplitude :<2mm
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