序號 Sr.No | 項目 Item | 單位 Unit | 參數(shù) Parameter | |||
12KV | 24KV | 40.5KV | ||||
電壓參數(shù)VOLTAGE RATINGS RATED CONTACT STROKE | ||||||
1 | 額定頻率 Rated frequency | HZ | 50/60 | |||
2 | 額定電壓 Rated voltage | KV | 12 | 24 | 40.5 | |
3 | 一分鐘額定工頻耐受電壓 1min Rated short-time power-frequency withstand voltage | 干式 try test | KV | 50 | 60 | 95 |
濕式 wet test | 34 | 50 | 80 | |||
4 | 額定雷電沖擊耐受電壓 Rated lightning impulse withstand voltage | KV | 85 | 125 | 185 | |
電流參數(shù) CURRENT RATINGS | ||||||
1 | 額定電流 Rated current | A | 630 | 630 | 630 | |
2 | 額定觸頭壓力下*的回路電阻 Circuit resistance at lowest rated contact force | μΩ | ≤80 | ≤80 | ≤80 | |
3 | 額定短路開斷電流 Rate short-circuit breaking current | KA | 16 | 16 | 16 | |
4 | 額定短時耐受電流 Rated short-time withstand Current | KA | 16 | 16 | 16 | |
5 | 額定短路持續(xù)時間 Rated duration of short-circuit | S | 3 | 3 | 3 | |
6 | 額定峰值耐受電流 Rated peak withstand current | KA | 40 | 40 | 40 | |
407 | 額定短路關(guān)合電流 Rated short-circuit making current | KA | 40 | 40 | 40 | |
8 | 額定操作順序Rated operating sequence | 分-t1-合分-t2-合分-t3-合分-閉鎖 O-t1-CO-t2-CO-t3-CO-lock | ||||
開關(guān)機(jī)械特性參數(shù)MECHANICAL DATE OF SWITCH | ||||||
1 | 觸頭開距 Clearance between open contacts | MM | 9±1 | 12±1 | 14±1 |