형 식(Type) |
JMV7212-630 |
JMV1212-630 |
JMV2412-630 |
취부방식 / Mounting method |
기본형, 고정형, 인출형, F2급 / Fixed, Draw-out, F2 class |
정격전압(kV) / Rated voltage |
7.2 |
12 |
24 |
정격전류(A) / Rated current |
630 |
정격주파수(Hz) / Rated power frequency |
60 |
정격차단전류(kA) / Rated short-circuit breaking current |
12.5 |
투입전류(kA) / Rated short-circuit making current |
32.5 |
상용주파내전압(kA)(rms) / Rated power frequency withstand voltage |
20 |
28 |
50 |
뇌충격전압(kV)(Peak) / Rated lighting impulse withstand voltage |
60 (1.2×50㎲) |
75 (1.2×50㎲) |
125 (1.2×50㎲) |
무부하투입시간(s) / No-load closing time |
≤ 70 |
개극시간(s) / Opening time |
≤ 30 |
표준동작책무 / Operating duty |
O – 0.3sec – CO – 3min – CO |
적용규격 / Applied standard |
IEC 62271-100 (2006) |
투입조작방식 / Spring charge method |
Magnetic actuator mechanism |
입력전압(V) / Input voltage |
DC 110V (별도 전압도 가능) |
기계적내구성 / Mechanical endurance |
M2 (10,000회) |
전기적내구성등급 / Electrical endurance |
E1 |
재점호등급 / Restrike class |
C2 (Very low probability of strike) |
케이블충전 전류(A) / Cable charging current |
31.5 |