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Overview
ZW32-12 outdoor high voltage vacuum circuit breaker (hereinafter referred to as circuit breaker) is outdoor distribution equipment with rated voltage of 12kV and three-phase AC of 50Hz. It is mainly used to open and close load current, overload current and short circuit current in power system. It is suitable for the protection and control in the power distribution system of substation and industrial and mining enterprises, as well as the places where the rural power grid is frequently operated. The circuit breaker has the characteristics of small volume, lightweight, anti-condensation, free maintenance and so on. It can adapt to the harsh weather conditions and a dirty environments.
Working Conditons
1. The environment temperature: upper limit +40C. lower linit-30℃
2. Altitude s 2000 meters
3. Wind pressure: no more than 700Pa (corresponding to the wind speed 34m/s)
4. Earthquake intensity: do not exceed 8 degree
5. Pollution grade: I class
6. Maximum daily temperature: less than 25℃.
Types of meaning
Z | W | 32 | - | 12 | ( ) | / | ( ) | - | ( ) |
Vacuum circuit breaker | Conditions of use: outdoor | Design code | Rated voltage (kV) | G-installation of outdoor isolating switch | Rated current (A) | Rated short circuit breaking current (kA) |
Vacuum Tuoe Details
The large vacuum tube used in the zhegui circuit breaker is twice as large asthe ordinary vacuumtube, the outer insulation is corrosion-resistant andwear-resistant, and has the characteristics of large breaking capacity, longcontact life and many allowable breaking times
Product Description
Each vacuum tube will have a factory number. After thevacuum tube is produced and stored for 8-12 months, it willbe tested whether there is air leakage and whether thepressure resistance passes the market. Most manufacturerssell it now and will not carry out secondary testing
The vacuum tube used in zhegui vacuum circuit breakerhas been tested for the second time, and the third time willbe tested after installing the vacuum circuit breaker, so youcan buy it at ease
Vacuum Tuoe Details
All transformers of this product are made of pure red copper, while ordinaryones are made of copper-clad aluminum. Direct use of copper-cladaluminum is easy to cause great potential safety hazards
Copper isolating knife
The components used in the vacuum circuit breaker are made of real materials. The thickness of the isolation knife is as high as 2.8mm.The ordinary isolation knife is only 2.0mm. Even various operating handles are made of high-quality materials
Copper inler and onule tcontacts
Real material Not afraid of test
The interior is full red copper and the outer layer is tinned
Outgoing contact of circuit breaker Incoming contact of circuit breaker
Inerlligent control operation mechanism
True dare to show the agency navigation strictly choose new genuine refused to renovate
PRODUCT SIZE DESCRIPTION
PRODUCT STRUCTURE DESCRIPTION
1. Upper outgoing terminal 11. Operating handle
2. Circuit breaker 12. Isolation frame
3. Lifting ring 13. Insulator
4. Nameplate 14. Lower incoming terminal
5. Opening and closing signboard 15. Isolation blade
6. Energy storage operating handle 16. Insulated pull rod
7. Energy storage signboard 17. Current transformer
8. Opening and closing operating handl 18. Voltage transformer
9. Interlocking shaft 19. Controller
10. Box 20. Aviation plug-in
Main technical parameters
Item | Unit | Parameter | ||
Voltage, current parameters | ||||
Rated voltage | kV | 12 | ||
Rated short time power frequency withstand voltage (1min) | kV | 42 | ||
Rated lightning impulse withstand voltage (peak) | kV | 75 | ||
Rated frequency | Hz | 50/60 | ||
Rated current | A | 630 | 1250 | |
Rated short-circuit breaking current | kA | 20 | ||
Rated short-time withstand current (RMS) | kA | 20 | ||
Rated peak withstand current | kA | 50 | ||
Rated short-circuit closing current | kA | 50 | ||
Rated single/back-to-back capacitor bank breaking current | A | 630/400 | ||
Rated short-circuit current duration | S | 4 | ||
Rated short-circuit current breaking times | times | 50 | ||
The main circuit resista nee | μΩ | ≤80(140) | ||
Rated operational voltage | ≌220 | |||
Mechanical life | times | 10000 | ||
The overcurrent regulating | A | l~10 | ||
Quick-break current | A | 6~20 | ||
The delay time | ms | 40-850 | ||
Remote control distanee | m | >30 | ||
Reclose time | times | 0~3 | ||
Rated operating sequenee | O-0.3s-CO-180s-CO | |||
CT | Ratio | A | 0/5 | |
Capacity | VA | 15 | ||
The output voltage | A | AC220 | ||
The output capacity | W | 600 | ||
The overcurrent regulating | A | l~10 | ||
The delay time | ms | 40-850 | ||
Remote control distance | m | 30 |
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