IEC 62271, ANSI/IEEE Std C37, NEMA
ISO 9001, KEMA, CESI, CE, TUV, UL, ASTA
Seismic design, ETGI-1.020, IEEE Std 693, NCh2369
Structural design, ASTM A325, ANSI/AISC 360, AWS D1.1
High altitude correction per IEC 62271 & IEEE C37, ~ 5000m
Highly reliable vacuum interrupter embedded in the pole
Modular operating mechanism with higher mechanical life
Optional for fixed and withdrawable version
Optional accessory for 2nd Trip Coil
Indoor Medium Voltage AC Vacuum Circuit Breaker
Item | Unit | Data | ||
Rated voltage | kV | 7.2/12 | 15/17.5/24 | 33/36/40.5 |
Rated current | A | 630,1250,1600,2000, 2500,3150,4000 | 630,1250,1600,2000, 2500,3150,4000 | 1250,1600,2000, 2500,3150 |
Rated frequency | Hz | 50/60 | 50/60 | 50/60 |
Rated insulation level | ||||
Rated power frequency withstand voltage/1min | kV | 42 | 65 | 95 |
Rated lighting impulse withstand voltage - BIL | kV | 75 | 125 | 185 |
Rated short circuit breaking current | kA | 20/25/31.5/40/50 | 20/25/31.5/40 | 25/31.5/40 |
Rated short time withstand current(4s) | kA | 20/25/31.5/40/50 | 20/25/31.5/40 | 25/31.5/40 |
Rated peak value withstand current | kA | 50/63/80/125/137 | 50/63/80/100 | 63/80/100 |
Breaking current of capacitor bank* | A | - | - | 630 |
Operating mechanism type | Motor drive spring mechanism | |||
Rated operating sequence | Isc < 40kA: O-0.3s-CO-180s-CO Isc = 40kA: O-180s-CO-180s-CO | |||
Rated short-circuit current breaking times/ electrical endurance | level | E2 (IEC62271-100) | ||
Mechanical endurance | times | 20000 | 20000 | 20000 |
Rated auxiliary control voltage | V | AC220/110, DC220/110 | ||
Opening time | ms | 20~50 | 20~50 | 20~60 |
Arcing time | ms | 10~15 | 10~15 | ≤ 15 |
Full opening time | ms | 30~65 | 30~65 | 30~65 |
Closing time | ms | 35~70 | 35~70 | 35~70 |
