China 22kv Medium Voltage Switchgear, Find details about China Switchgear, Mv Switchgear from 22kv Medium Voltage Switchgear
Feature
1. Indoor or outdoor electrical switchgear, factory-assembled, for primary and secondary distribution systems protection.
2. Up to 40kV, 3150A, 50 / 60Hz
3. Modular space-saving design, metal-enclosed, removable or fixed type
4. IEC standards compliant
5. Parts from ABB, SCHNEIDER, GE, etc., are available
6. Improved safety for personnel and operations
7. Quality is assured by extensive design and production tests, coupled with manufacturing in facility that has been certified in compliance with ISO 9001.
8. One year warranty
Standard Service Condition
1. The ambient air temperature does not exceed 40°C and its average value, measured over a period of 24h, does not exceed 35°C.
2. The minimum ambient air temperature is -5°C.
3. The altitude does not exceed 1000m.
4. he ambient air is not significantly polluted by dust, smoke, corrosive and/or flammable gases, vapours
or salt.
5. The conditions of humidity are as follows:
- The average value of the relative humidity, measured over a period of 24h, does not exceed 95%;
- The average value of the water vapour pressure, over a period of 24h, does not exceed 2.2kPa;
- The average value of the relative humidity, over a period of one month, does not exceed 90%;
- The average value of the water vapour pressure, over a period of one month, does not exceed 1.8kPa.
Application
1. Substations
2. Public utilities
3. Industrial plants
4. Public buildings: high-rise buildings, railway stations, hospitals
Specification
Item | Units | Data |
Rated frequency | Hz | 50/60 |
Rated voltage | kV | 22,24 |
1min power frequency withstand voltage | kV | (50)65 |
Rated impulse withstand voltage(peak) | kV | 125 |
Rated current | A | 630,1250,1600,2500,3150 |
Rated current of branch bus | A | 630,1250,1600,2500 |
Rated short time withstand current | kA | 16 ,20,25,31.5 |
Rated peak withstand current | kA | 40,50,63,80 |
Rated short circuit continuous time | s | 4 |
Protection level | Shell:IP4X,IP2X When CPT and CB door are open | |
Weight | Kg 800,1000 (Rated current>1600) |