ZN85-40.5 indoor HV vacuum circuit breaker
Update: 2020/5/8 View:
- Brand:
- Type: ZN85-40.5
Introduction
ZN85-40.5 Indoor High Voltage Vacuum Circuit Breaker
Summary
ZN85-40.5 indoor HV vacuum circuit breaker is a 3-phase AC 50Hz 40.5kV indoor switch equipment.
♦ Installation way: withdrawable type;
♦ Operating mechanism: spring operating mechanism;
♦ Pole type: assembled pole, embedded pole;
♦ Application: switchgear KYN61-40.5.
♦ Secondary plug: 58pins, 64pins.
※ Environmental Conditions
♦ Ambient temperature: -15℃~+40℃;
♦ Altitude: ≤1000m;
♦ Relative humidity: daily average ≤95%, monthly average ≤90%；
♦ Earthquake intensity: ≤8 level;
♦ Places without fire, explosion hazard, serious filthy, chemical corrosion, as well as intense Vibration.
Model Implication
Specifications
| No. | Item | Units | Parameters | ||
| 1 |
Rated voltage |
kV | 40.5 | ||
| 2 | Rated insulation level | Power frequency withstand voltage 1min (effective value） | kV | 95 | |
| Lightning impulse withstand voltage (effective value) | kV | 185 | |||
| 3 | Rated current | A | 1250/1600/2000 | ||
| 4 | Rated frequency | Hz | 50 | ||
| 5 | Rated short-time withstand current | kA | 25 31.5 | ||
| 6 | Rated peak withstand current | kA | 63 80 | ||
| 7 | Rated short-circuit breaking current | kA | 25 31.5 | ||
| 8 | Rated short circuit making current(peak value) | kA | 63 80 | ||
| 9 | Rated Shoort -circuit Continuing Time | S | 4 | ||
| 10 | Rated operating sequence | C-0.3s-CO-180s-CO | |||
| 11 | Breaking time | ms | <80 | ||
| 12 | Rated short circuit breaking current times | Time | 20 | ||
| 13 | Single capacitor unit breaking current | A | 630 | ||
| 14 | Machinery life | Time | 10000 | ||
| 15 | Rated operating voltage | V | AC/DC 110,220 | ||
| 16 | Rated single back-to-back capacitor device current | A | 400 | ||
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