Medium Voltage Withdrawable Switchgear
Medium Voltage Metal-Clad Withdrawable SwitchgearKYN28A-12,the medium voltage metal-clad withdrawable switchgear is designed for the primary or secondary distribution of the medium voltage electrical
Medium Voltage Metal-Clad Withdrawable SwitchgearKYN28A-12,the medium voltage metal-clad withdrawable switchgear is designed for the primary or secondary distribution of the medium voltage electrical
Medium Voltage Metal-Clad Withdrawable Switchgear
KYN28A-12,the medium voltage metal-clad withdrawable switchgear is designed for the primary or secondary distribution of the medium voltage electrical energy in transformer stations, industrial substations, transforming posts.
The type CI/CE indoor/outdoor electrical switchgears are designed for rated voltage of 5.5KV,6KV 6.6 KV ,7.2KV; 10KV ,11KV ,12KV ; 15KV ,20KV ,22KV ,24 kV and rated current up to 4000 A.
KYN28A-12 metal clad switchgear electrical cubicle is applicable for 3.6kV ~ 24kV with three-phase AC 50Hz single bus or single bus sectional system. It is mainly used for substation and distribution system of power plants, substation, industrial and mining enterprises, building hotels, municipal construction and petrochemical sector as power receiving, power distribution andthe circuit controlling, protection and monitoring.
Working Condition
The ambient air temperature : -5°C ~ +40°C;
Daily average temperature(Within 24h): ≤+35℃
Altitude:≤1000m;
Relative humidity: within 24h, daily average value ≤ 95% , daily average vapor pressure≤ 2.2KPa;
Monthly average value ≤ 90%, monthly average vapor pressure≤ 1.8KPa
Ambient air is not significantly polluted by dust, smoke, corrosive and / or flammable gas, vapor or salt contamination.
Features
High protection degree
Simple breaker replacement
Good handcart interchangeability
Less covered area
High security
Reliable interlock device to avoid misoperation.
Items | Unit | Data | ||
1 | Rated voltage | KV | 6/7.2/10/11/12/15 | |
2 | Rated insulation level | 1min power frequency withstand voltage | KV | 42 |
Lighting impulse withstand voltage | KV | 75 | ||
3 | Rated frequency | HZ | 50/60Hz | |
4 | Rated current | A | 630/1000/1250/1600/2000/2500/3150/4000 | |
5 | Rated short-time withstand current(4s) | KA | 16/20/25/31.5/40/50 | |
6 | Rated peak withstand current | KA | 40/50/63/80/100/125 | |
7 | Protection degree | Outer shell IP4X, cubicle and circuit breaker door open IP2X |