Products:
The product is used as three-phase 10kV, 50Hz/60Hz power system switching and control equipment, and is widely used for power plan, transformer substation, airport, boats and ships, docks, station, steel plant, petrochemical enterprises, light industry sector, hotel, plaza and so on.
Technical Features:
1. The Aluminum-Zinc plate has the features of high precision, corrosion resistance, high mechanical strength and beautiful appearance.
2. Convex door structure. Observation door use double-proof glass, the inner door embedded professional seal.
3. The door locks and hinges are proved to be safe.
4. When the handcart of the breaker back to the test position or is pulled out of the cabinet, the valve automatically shut down and tighten to keep safety.
5. There is interlock to meet “Five Anti” requirement.
Condition:
1. Ambient temperature: -15℃～+40℃
2. The average temperature should be under +35℃ within 24 hours.
3. Seismic intensity: ≦8℉
4. Relative humidity: average daily ≦95%, average monthly≦90%
5. Altitude: ≦2000m
6. No fire, explosion, filthy, chemical corrosion and violent vibration.
Technical parameters:
|
Serial No. |
Items |
Unit |
Technical parameters |
|
1 |
Rated voltage |
kV |
3/6/10 |
|
2 |
Maximum operating voltage |
kV |
3.6/7.2/12 |
|
3 |
Power frequency withstand voltage |
kV |
42(1min) |
|
4 |
Lightning shock pressure |
kV |
75 |
|
5 |
Rated frequency |
Hz |
50 |
|
6 |
Rated current |
A |
630-3150、4000(air-cooled) |
|
7 |
Rated current short-term tolerance |
kA |
20-50 |
|
8 |
Rated peak when the current tolerance |
kA |
50-125 |
|
9 |
Rated short-circuit breaking current |
kA |
20-50 |
|
10 |
Rated short-circuit making current |
kA |
50-125 |
|
11 |
Rated voltage of opening and closing &Auxiliary feedback circuit |
(DC )V |
24、48、110、220 |
|
(AC)V |
110、220 |
||
|
12 |
Cabinet level protection |
|
IP4X |
