Medium Pressure Chamber for Factory Building KYN28 Armoured Removable
Switchgear Metal-Clad Indoor AC Metal-Enclosed Switchgear:
♦ KYN28-12 Steel-clad Movable-type Alternating-current Metal-enclosed Switchgear is packeged
all metal modularization structure. The cabinet use the imported AI-Zn-plated steel sheet with
high corrosion resistant capacity and needn't surface treatment.By CNC precision processing
equipment, advanced multiple flanging process and connection with riveting nut, high strength bolt,
it has features of high precision, light weight and good strength.
♦ The switchgear suitable for the vacuum circuit breakers like ZN63(VS1)-12 series,VD4 series,
ZN65 series,etc.It has wide adaptability and strong interchangeability.Handcart is equipped with the
work location and test position. Each position has positioning and display device.It is safe and reliable.
The cable chamber can be up to 9single core cable installation. It has reliable mechanical and electrical
interlocking device. ♦ The safety meet the requirement of " five prevention".
Each room is equipped with pressure relief channel,encure running safety.
| Item | Unit | Parameter |
| Rated voltage | KV | 3.6,7.2/12 |
| Rated frequency | Hz | 50 |
| Rated current of breaker | A | 630,1250,1600,2000,2500,3150 |
| Rated breaking active load current | A | 630,1250,1600,2000,2500,3150 |
| Rated closed loop breaking current | KA | 20,25,31.5,40 |
| Rated current under the cable charging breaking current | KA | 50,63,80,100 |
| Rated short-circuit closing current(peak) | KA | 20,25,31.5,40 |
| Rated short-circuit breaking current | KA | 50,63,80,100 |
| Rated insulation level | 1 min frequency
withstand voltage | Pole,the pole pair | KV | 24,32,42 |
| break between | KV | 24,32,48 |
Lighting impulse
withstand voltage(peak) | Pole,the pole pair | KV | 40,60,75 |
| break between | KV | 46,70,85 |
| Degree of protection | KV | Enclosure IP4X,compartment,circuit breaker
door open when IP2X |
Features:
♦ Anti harsh environment, anti condensation, frost, fog, salt contamination, corrosion resistance etc;
♦ Compact structure, small size, easy to install;
♦ Modular design, flexible expansion;
♦ Smart grid compatible, optional automation terminal, to meet the requirements of smart grid upgrade.
Service environment
1. Ambient air temperature: -5ºC+40ºCand the average temperature should not exceed +35ºC in 24h.
2. Air condition: With clean air. Relative humidity should not exceed 50% at +40ºC. Higher relative
humidity is allowed at lower temperature. Ex. 90% at +20ºC. But in view of the temperature change,
it is possible that moderate dews will produce casually.
3. Altitude above sea level should not exceed 2000M.
4. The device is suitable to the transportation and store with following temperature:-25ºC ~+55ºC,
in short time (within 24h) it reaches +70ºC. Under the limiting temperature, device should not suffer
damage that can[1]t recover, and it can works normally under normal conditions.
5. If the above operating conditions not meet user's demand. Consult with manufactory.
6. Technical agreement should be signed additionally if the device is used for marine petrol drill
taken platform and nuclear power station.
Product Tags:
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