ZW32-12 Outdoor Vacuum Circuit Breaker
- Altitude:≤2000m
- Ambient air temperature:-40℃~ +40℃; Daily temperature difference:25℃
- Wind speed:≤34m/s (Equal to 700Pa over cylindrical surface)
- Earthquake intensty:8 degree
- Relative humidity: Monthly average≤90%; Daily average≤95%
- Ice thickness:10mm
- Applicable occasions should free from inflammables, explosives, corrosives and severe vibrations
- Mini vacuum arc extinguish; High reliability; Small volume; Long life time; Fixed inside the epoxy resin.
- Epoxy resin sealing anti-ozone,anti-ultraviolet;It is firm, light and convenience for transportation.
- Spring Mechanism and Permanent Magnetic;reliable performance, maintenance free.
- Manual and motor closing & opening. It can be operated by manual and motor, a signal of C/O and storage shown on enclosure.
- Switch case: Aluminum alloy material, Stainless steel and Armor plate.
- Extension for disconnection switch voltage transformer and recloser controller.
Technical parameter
| Item | Unit | Data |
| Rated voltage | kV | 12 |
| Rated frequency | Hz | 50 |
| Rated current | A | 630 |
| Rated short circuit breaking current | kA | 12.5/16/20 |
Rated withstand current (peak) | kA | 31.5/40/50 |
| Rated short-duration withstand current (4s) | kA | 12.5/16/20 |
| Rated short circuit making current (peak) | kA | 31.5/40/50 |
| Mechanical life | Times | Spring Operation 10000/Permanent Magnetic 30000 |
Rated operating sequence | O-0.3s-CO-180s-CO | |
Breaking number for rated short circuit current | Times | 30 |
| Power frequency withstand voltage (1min) | kV | Dry test-42/48(to ground, inter-pole/fracture) Wet test-34 |
| Lightning impulse withstand voltage (peak) | kV | 75/85 ( inter-pole/fracture) |
| Closing time | ms | 25~60 |
| Total breaking time | ms | ≤100 |
| Arcing time | ms | ≤20 |
| Rated input power of energy storage motor | W | 40 |
Rated operating voltage and auxiliary circuit rated voltage | V | DC220/110/24 AC220/110 |
Energy storage time under rated voltage | s | ≤10 |
| Rated current of over-current tripper | A | 5 |
| Item | Closing coil | Opening coil | Over-current tripping coil |
| Rated voltage (V) | 220 | 220 | |
| Rated working current(A) | AC:5 DC:3.2 | AC:5 DC:0.8 | 5 |
| Voltage and current range under normal working | Action on 65%-110% of rated voltage | Action on 65%-110% of rated voltage avoid tripping under less than 30% of rated voltage | Action on 65%-110% of rated voltage avoid tripping under less than 90% of rated voltage |
ZW32-12 Outdoor Vacuum Circuit Breaker
ZW32-12 outdoor AC vacuum circuit breaker is used to make and break load current, overload current and short circuit protection in 12kV, 50Hz/60Hz power system. It is applicable for substations, industry and mining, urban and rural electricity power networks, especially applicable in occasions with frequent operation and automatic power distribution network. It accords with the standard of IEC62271-100 & GB1984 AC high voltage circuit breaker, GB/T11022 HV general technical requirement of switch and control apparatus.
SINOAMIGO POWER T&D include below:
VCB & Operation Mechanism: Zhejiang Juli Electric Co.,Ltd
Zhejiang Juli Electric Co.,Ltd. Focus on VCB Operating Mechanism, Vacuum Circuit Breaker, Recloser Controller for VCB, include R&D, manufacturing, marketing and after service, honored as a member of High-Technology corp in China, now employees more than 300 and technician team more than 35%. Started since 2000, with headquarter in Liushi Town, Wenzhou City,China, where were named as the China electricity capital centre; Company pay a lot capacity and time for R&D, cooperate with many famous University intelligence and famous brand enterprises.
Sino Amigo, your China friends; Wherever you go, SINOAMIGO
