12kV High Pressure Ring Network Cabinet Outdoor Stationary Type
15/17 Outdoors High Pressure Stationary Type Ring Network Cabinet
Product overview
Overview fixed AC metal closed switchgear (ring network cabinet) is a rated voltage of 12kv.The AC high voltage electrical device with a rated frequency of 50Hz is mainly used for three-phase AC ring network, terminal distribution network and industrial electrical equipment, playing the acceptance and distribution of electricity and other functions, which is also suitable for equipment with out-in-box substation.
Main technical parameters
| No. | Name | Unit | FN12-10 | FZN25-12 | |
| 1 | Fuses are rated for the current current | A | 100 | ||
| 2 | Rated transfer current | A | 1500 | 2000 | |
| 3 | Composite apparatus | Rated short-circuit-off current | kA | 1500 Ground and alternate 75; isolation break 85 | |
| 4 | 31. 5 | ||||
| 5 | mechanical life | 次 | 2000 | 1000 | |
| 6 | Auxiliary circuit is 1min | kV | 2 | ||
| 7 | Operating voltage of the electric operating mechanism | V | AC / DC 220; 110 | ||
| 8 | Levels of protection | IP2X | |||
| 9 | Outline size (wide x deep x high) | mm | 650 (850) X900X2000 (2200) | ||
Main technical parameters of the vacuum circuit breaker
| No. | Name | Unit | FN12-10 | FZN25-12 | |
| 1 | R+ated voltage | N | 12 | ||
| 2 | The 1min working frequency withstand voltage | N V |
Ground to ground 42; isolation break 48 | ||
| 3 | Lightning impact voltage (peak) | kV | Ground to ground and alternate 75; isolation break 85 | ||
| 4 | Rated frequency | Hz | 50 | ||
| 5 | Main bus rated current | A | 630 | ||
| 6 | Load switch | rated current | A | 630 | |
| 7 | Power life at the rated current | KVA | No less than 100 | ||
| 8 | Disconnect the no-load transformer capacity | KA/S | 1250 | ||
| 9 | Rated heat-stable current | KA | 20／4；earth switch 20/2 | ||
| 1 0 |
Rated stable current (peak) | KA | 50 | ||
| 1 1 |
Rated short-circuit turn-off current (peak) | 次 | 50 | ||
Use Environmental Conditions:
(1) Normal Environmental Conditions
- Upper limit of ambient air temperature: + 40℃ and lower limit: -25℃.
- Elevation: not more than 1,000 m.
- Relative ambient temperature: the daily average is not more than 95%, and the monthly average is not more than 90%;
- Earthquake: the intensity is not more than 8 degrees.
- The surrounding air is not obviously polluted by corrosive or combustible gases, and water vapor.
- No serious pollution and frequent severe vibration, and the severe design under harsh conditions meets the requirements of class 1.(2).
When the special working conditions are used beyond the prescribed normal environmental conditions, the user and the manufacturer shall negotiate.
Qualification:
- Rated voltage (KV) 3.6/7.2/12
- Power frequency withstand voltage, ground to ground (KV) 42 (1min)
- Power-frequency withstand voltage isolation break (KV) 48 (1min)
- Impact withstand voltage alternate, ground to ground (KV) 75
- Impact withstand voltage alternate, ground to ground (KV) 85
- Rated frequency, 50Hz
- Rated current (A), 125~630
- Rated thermal stable current (KA 4S) 20
- Rated stable current (KA) 50
- Rated short-circuit open-off current (KA) 31.5
- Rated short circuit off current (KA) 50
- Rated voltage (V) DC for split gates and auxiliary circuits 24,36,48,60,110,220 and AC 110,220
- Protection level:IP2X
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