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KYN28A-12(Z)(GZS1)Type a armored removable ac metal enclosed switchgear (hereinafter referred to as switchgear) It is suitable for three-phase ac 50Hz power system to receive and distribute electric energy, control, protect and monitor the circuit



Main technical parameters | ||||||
Rated voltage | ..................................... | kV | 3.6、7.2、12 | |||
Rated frequency | ..................................... | Hz | 50 | |||
Rated current of circuit breaker | ..................................... | A | 630/4000 | |||
Rated current of switchgear | ..................................... | A | 630/4000 | |||
Rated short-time withstand current (4S) | ..................................... | kA | 20、25、31.5、40 | |||
Rated peak withstand current (peak) | ..................................... | kA | 50、63、80、100 | |||
Rated short-circuit breaking current | ..................................... | kA | 20、25、31.5、40 | |||
Rated insulation level 1min power frequency withstand voltage | Pole-to-pole, pole-to- ground | kV | 24、32、42 | |||
Between open contacts | kV | 24、32、48 | ||||
Lightning impulse withstand voltage (peak) | Pole-to-pole, pole-to- ground | kV | 40、60、75 | |||
Between open contacts | kV | 46、70、85 | ||||
The shell is IP4X, and it is IP2X when the compartment door and circuit breaker chamber door are opened | ||||||
We can deliver the goods by air or sea. We can provide you with a good shipping company to facilitate your choice Our delivery date is usually 15 to 20 days. If you need special customization, the time may be increased
Standard wooden boxes for outer packing


If you need to customize special packaging, please inform us in advance






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