Overview
ZW32-40.5F series outdoor high voltage vacuum circuit breakers(hereinafter referred to as “circuit breakers”)are used in the three-phase power system with AC 50 Hz and rated voltage 35kV,as load-sharing current,overload current and short-circuit current.Circuit breaker configurable reclosing controller can identify current characteristics and achieve multiple automatic reclosing,self-contained PT as a power supply,voltage,current signal output and can be controlled as an intelligent circuit breaker;by the electronic PT power supply and can complete the overcurrent delay,inrush delay,short circuit break three-stage composite protection.
Operating Conditions
1. Altitude: ≤ 2000 meters
2. The environment temperature: upper limit +60℃, lower limit -30℃
3. Wind speed: < 35m/s
4. Pollution grade: IV class
5. There is no fire, explosion hazard, serious pollution, Places subject to chemical corrosion and severe vibration.
Model and meaning
Technical Data
| Item | Unit | Parameter | |||
| Rated voltage | kV | 38 | |||
| Rated current | A | 630 | 1250 | 1600 | |
| Rated frequence | Hz | 50/60 | |||
| Rated short-circuit breaking current | kA | 25/31.5 | |||
| Rated short-circuit closing current | 63/80 | ||||
| Rated peak withstand current | 63/80 | ||||
| 4s short-time withstand current | 25/31.5 | ||||
| Rated insulation level | 1min power frequency withstand voltage | kV | 80/95 | ||
| Rated lightning impulse withstand voltage (peak) | 185 | ||||
| Rated operating sequence | / | O-0.1s-CO-3s-CO-6s-CO-60s-restore | |||
| Rated short-circuit current breaking times | Times | 30 | |||
| Mechanical life | 20000 | ||||
| Control voltage of intellegent mechanism | V | DC220 | |||
| Two circuit 1min power frequency withstand voltage | kV | 2 | |||
Overall and mounting dimensions(mm)
