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China Suppliers Factory Air-12/T630-25 Environmentally-Friendly Gas-Insulated Metal-Enclosed Switchgear
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 Voltage kV | 12 | |||
| 2 | 1min Power Frequency Withstand Voltage kV | 42/48 | |||
| 3 | Lighting lmpulse Withstand Voltage kv | 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 | 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
What are the normal operating temperature limits for this equipment?
The equipment is designed to operate within a maximum temperature of +40℃ and a minimum temperature of -25℃, with a 24-hour average temperature not exceeding 35℃.
Can the equipment be installed at altitudes higher than 1500 meters?
The standard type is rated for altitudes ≤1500 meters under standard gas pressure. For installation environments above 1500 meters, special instructions and prior consultation with our company are required.
What is the level of protection for the gas tank and shell?
The protection level is rated at IP67 for the gas tank and IP3X for the external shell, ensuring robust environmental sealing.
What is the mechanical service life of the different modules?
The machinery service life is 5,000 times for the C Module (Load Switch) and F Module (Composite Apparatus), 10,000 times for the V Module (Vacuum Breaker), and 3,000 times for the Isolation/Earthing Switch.
What is the annual gas leakage rate and the arc extinguishing method used?
The equipment features a low annual gas leakage rate of ≤0.05% and utilizes a highly efficient Vacuum Extinction method for arc extinguishing.
How do the width dimensions change from 1-way to 5-way configurations?
The width (W) scales as follows: 1-way is 371mm, 2-way is 696mm, 3-way is 1021mm, 4-way is 1346mm, and 5-way is 1671mm. The height (H: 1336mm) and depth (D: 850mm / total 935mm) remain constant across all configurations.