0102030405
Environmentally-Friendly Gas-Insulated Switchgear Air-12/T630-25 from China Suppliers and Factory for Intelligent Distribution Solutions
Model and Definitions
Normal Use Environmental Conditions
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Maximum Temperature: +40℃
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Minimum Temperature: -25℃
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24-Hour Average Temperature: ≤35℃
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Maximum Average Relative Humidity: 24-Hour Average ≤95%, Monthly Average: ≤90%
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Altitude: ≤1500 meters (for standard type, under standard gas pressure); special instructions required for >1500 meters
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For special operating conditions beyond normal use environment, prior consultation with our company is recommended.
Major Technical Parameters
| Units | Items | C Module | F Module | V Module | |
| Load Switch | Composite Apparatu | Vacuum Breaker | lsolation/ Earthing Switch | ||
| 1 | Nominal VoltagekV | 12 | |||
| 2 | 1min Power Frequency Withstand Voltage kV | 42/48 | |||
| 3 | Lighting lmpulse Withstand Voltagekv | 75/85 | |||
| 4 | Rated Currency A | 630 | 630 | 630 | |
| 5 | Breaking Capacity | ||||
| Closed Loop Breaking Current (A) | 630 | ||||
| Cable Charging Breaking Current(A) | 135 | ||||
| 5% Active Load Breaking Current(A) | 31.5 | ||||
| Ground Fault Breaking Current(A) | 200 | ||||
| Short-Circuit Breaking Current (kA) | 31.5∗ | 25 | |||
| 6 | Rated Transfer Current A | 1500 | |||
| 7 | Maximum Current Near Circuit Breaker(A) | 125 | |||
| 8 | Short-Circuit Closing Current （kA） | 63 | 80∗ | 25 | |
| 9 | Short-Time Withstand Current(KA) | 25 | 25 | 25 | |
| 10 | Short-Circuit Duration (s) | 4 | 4 | 4 | |
| 11 | Machinery Service Life Time | 5000 | 5000 | 10000 | 3000 |
| 12 | Gas Pressure(MPa） | 0.025(20°C) | |||
| 13 | Annual Leakage Rate | ≤0.05% | |||
| 14 | Arc Extinguishing Method | Vacuum Extinction | |||
| 15 | Level of Protection | IP67/3X(Gas Tank/Sell) | |||
External Dimensions
| Dimension Type | 1-way | 2-way | 3-way | 4-way | 5-way |
| W (mm) | 371 | 696 | 1021 | 1346 | 1671 |
| H (mm) | 1336 | ||||
| D (mm) | 850 (total 935) | ||||
Outdoor Open and Close Solution
Frequently Asked Questions (FAQ)
What are the temperature limits for normal environmental operation?
The equipment is designed to operate in temperatures ranging from a minimum of -25℃ to a maximum of +40℃, with a 24-hour average temperature not exceeding 35℃.
Can this equipment be installed at altitudes higher than 1500 meters?
The standard type is rated for altitudes up to 1500 meters under standard gas pressure. For installations exceeding 1500 meters, special instructions and prior consultation with our company are required.
What is the mechanical service life of the Vacuum Breaker (V Module)?
The Vacuum Breaker (V Module) has a mechanical service life of 10,000 operations, whereas the Load Switch (C Module) and Composite Apparatus (F Module) have a service life of 5,000 operations.
What is the gas leakage rate and nominal gas pressure of the system?
The system maintains a gas pressure of 0.025 MPa (at 20°C) and features an extremely low annual leakage rate of ≤0.05%.
What are the dimensions for a 3-way configuration?
The 3-way configuration has a width (W) of 1021 mm, a height (H) of 1336 mm, and a depth (D) of 850 mm (total depth of 935 mm).
What is the protection level and arc extinguishing method used?
The equipment uses Vacuum Extinction as its arc extinguishing method and has a protection level rating of IP67/3X for the Gas Tank and Shell.