KYN28A-12(GZS1-12) metal clad movable switchgear
Home Products Medium Voltage CT & PTMediu voltage switchgearKYN28A-12(GZS1-12) metal clad movable switchgear
KYN28A-12(GZS1-12) metal clad movable switchgear
◆ Ambient air temperature: Maximum air temperature: +40℃,
◆ Minimum air temperature: -15℃ (Under a special process, up to -45 ℃);
◆ Altitude: ≤ 2500m(Under a special process, up to 4000m);
◆ Humidity:Daily average value of relative humidity: ≤95%
◆ Monthly average value of relative humidity: ≤90%
◆ Earthquake grade less than Degree 8
◆ The ambient air is not significantly polluted by dust, smoke, corrosive and/or flammable gases, vapours or salt.
◆ No serious contamination and severe vibration recurrent, severe degree designed to meet the harsh conditions of Class 1 requirements;
◆ Notes: If the operating conditions exceed the normal conditions, please contact our technical department.
| Description | Unit | Specifications | |||
| Rated voltage | kV | 3.6,7.2,12 | |||
| Rated frequency | Hz | 50 | |||
| Breaker rated current | A | 630,1250,1600,2000,2500,3150 | |||
| Switchgear rated current | A | 630,1250,1600,2000,2500,3150 | |||
| 4s Short-time withstand current (rms) | kA | 16,20,25,315,40,50 | |||
| Rated peak withstand current (peak) | kA | 40,50,63,80,100,125 | |||
| Rated short-circuit breaking current | kA | 16,20,25,31.5,40,50 | |||
| Rated short-circuit making current | kA | 40,50,63,80,100,125 | |||
| Rated insulation level | Rated power frequency withstand voltage(1min) | kV | 24 | 32 | 42 |
| Rated lighting impulse withstand voltage | kV | 40 | 60 | 75 | |
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