VACUUM CIRCUIT BREAKER，RATED VOLTAGE:12 KV, FREQUENCY: 50 HZ, RATED CURRENT: 1250 A, ISC: 25 KA, RATED SHORT-TIME WITHSTAND CURRENT DURATION: 4 S, DC COMPONENT OF RATED SHORT-CIRCUIT BREAKING CURRENT: 52%, RATED OPERATING SEQUENCE: O-0.3S-CO-180S-CO (≤ 31.5KA), LIGHTNING IMPULSE WITHSTAND VOLTAGE: 75 KV, CIRCUIT BREAKER CLASSIFICATION: CLASS E2 / M2 / C2 , CONTROL & AUXILIARY CIRCUIT VOLTAGE: 220 V AC/DC, GROUNDING METHOD: FRICTION-TYPE GROUNDING (STANDARD FOR ZN172 SERIES) FOR 210 MM PHASE SPACING, SWITCHGEAR COMPATIBILITY DIMENSIONS: 800 MM, SECONDARY WIRING DIAGRAM: FIXED-TYPE SECONDARY CIRCUIT DIAGRAM
ZN172-12
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