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310 Embedded Pole - 310mm phase to phase
310 Embedded Pole - 310mm phase to phase
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DetailRated Voltage :12kVRated Current :630A/1250A/1600A
Rated Frequency :50Hz
Rated Short - circuit Breaking Current :40kA/31.5kARated Short - circuit Breaking Current Operation Times :30 timesRated Short - circuit Making Current :80kA/100kARated Peak Withstand Current :80kA/100kARated Short - time Withstand Current (4s) :40kA/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 :48kVLightning Impulse Withstand Voltage (Peak Value) :85kVLoop Resistance at Rated Contact Pressure :≤25~30μΩMechanical Endurance :10,000 operationsContact Opening Force :110±60NContact Reaction Force at Rated Opening Distance :180±50NAllowable Contact Wear Thickness :3mmStorage Period :20 years
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 :9±1mmRated Over - travel :3.5±0.5mmAverage Opening Speed :1.1±0.2m/sAverage Closing Speed :0.8±0.2m/sRated Contact Pressure :3200±200N/4300±200NContact Closing Bounce Time :<2msContact Asynchronism :<1msOpening Contact Rebound Amplitude :<2mm
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