33kv 36kv 35kv 40.5kv vacuum circuit breaker / 33kv outdoor vacuum circuit breaker / electrical circuit breaker5KV ZW7-35KV OUTDOOR VACUUM CIRCUIT BREAKER
ZW7-40.5KV ZW7-35KV OUTDOOR VACUUM CIRCUIT BREAKER
ZW7-40.5KV ZW7-35KV OUTDOOR VACUUM CIRCUIT BREAKE
ZW7-40.5 series outdoor high voltage vacuum circuit breaker is three phase AC 50Hz, rated voltage is 40.5kV
outdoor high-voltage electrical equipment , attached the spring operator or electromagnetic actuator can be well
controlled electric opening and closing can also be Manual storage, manually open and close. Design performance meet GB1984-89<<AC high voltage circuit breakers>>; national standards, and meet the IEC-56<<high-voltage AC circuit breakers>>; International Electro-technical Commission standards.
ZW7-40.5/1600-31.5
Z: vacuum circuit breaker
W: outdoor type
7: design serial number
40.5: rated voltage
1600:rated current
31.5:rated breaking current
Serial No. | Item | Unit | data | ||
1 | Rated voltage | kV | 40.5 | ||
2 | Rated insulation level | 1min power frequency withstand voltage | dry | kV | 95 |
wet | 80 | ||||
Lightning impulse withstand voltage (peak) | 185 | ||||
3 | Rated current | A | 1250,1600,2000 | ||
4 | Rated short-circuit breaking current | kA | 20,25,31.5 | ||
5 | Rated operating sequence |
| O-0.3s-CO-180s-CO | ||
6 | Rated short-circuit breaking current breaking times | times | 20 | ||
7 | Rated short- circuit closed current (peak) | kA | 50,63,80 | ||
8 | Rated peak withstand current | kA | 50,63,80 | ||
9 | Rated short-time withstand current | kA | 20,25,31.5 | ||
10 | Rated short-circuit duration | s | 4 | ||
11 | Average opening speed | ms | 1.5±0.3 | ||
12 | Average closing speed | ms | 0.6±0.3 | ||
13 | Contact closing bounce duration | ms | ≤5 | ||
14 | Three phase closing and opening synchronism | ms | ≤2 | ||
15 | Opening time | ms | ≤90 | ||
16 | Closing time | ms | ≤60 | ||
17 | Mechanism life | times | 10000 | ||
18 | Rated operating voltage and auxiliary loop rated voltage | V | DC 110/220 | ||
AC 110/220 | |||||
19 | Phase loop DC resistance (without current transformer) | µΩ | ≤100 | ||
20 | Permitted accumulate wear-thickness of dynamic and static contact | mm | 3 | ||
21 | Weight | kg | 800 | ||
1.Over 20 years of manufacturing experience with good quality & stable product performance.
2. Hossin provides full line of MV-HV electrical products, including drop-out fuse, disconnector, surge arrester, vacuum circuit breaker, fuse, load switch, insulator etc.
3. Quick feedback, Timely quotation, Fast delivery
4. Complete set of testing machine to ensure product quality.
5. Hossin can customize non-standard product as per client’s requirement.
6. Hossin sells pressing parts& pressing mould at low price.
7. Hossin offers electrical installation & commission service.
To order the vacuum circuit breaker, please let us know below info:
1. Rated Voltage
2. Rated Current
3. Rated Breaking Current
4. Fixted type or Draw-out Type