KYN28A-12(Z) armored removable AC metal closed switchgear (also known as GZS1 switchgear) is suitable for 3.6-40.5 kV three-phase AC 50Hz power system, which is applied to receive and distribute electric energy, and control, protect and monitor the circuit.
KYN28A-12(Z) type armored removable AC metal closed switch cabinet can prevent the following maloperation: maloperation of circuit breakers, push-pull closing with load, electrified closing of grounding switches. And prevent grounding switches from sending electricity when they are in the grounding position. The switch cabinet can be equipped with joint-venture vacuum circuit breakers such as VD4, HVX and 3AE, as well as domestic VS1 vacuum circuit breakers.
Technical Parameter
No.
Name
Unit
Data
1
Rated voltage (maximum operating voltage)
kV
3.6 7.2 12 40.5
2
Rated frequency
Hz
50
3
Rated current of circuit breaker
A
630 1250 1600 2000 2500 3150 4000
4
Rated current of switch cabi-net
A
630 1250 1600 2000 2500 3150 4000
5
Rated heat stable current (4s)
kA
16 20 25 31.5 40 50
6
Rated dynamic stable current (peak)
kA
40 50 63 80 100 125
7
Rated short circuit breaking current
kA
16 20 25 31.5 40 50
8
Rated short circuit closing current (peak)
A
40 50 63 80 100 125
9
Rated insulation level
1min power frequency withstandvoltage
kV
24 32 42
Lightning shock withstand voltage
kV
40 60 75
10
Protection level
The shell is IP4X, and when the compartment and circuit breaker door are opened, it is IP2X
Shipping Timeframes: All orders are processed within 2-5 business days (excluding weekends and holidays). After your order has been processed, the estimated delivery time is before 15 Jan, 2025, depending on customs, Please note that due to high demand, some items may experience longer shipping times, which will be communicated at order confirmation email.
Order Processing Time: Please allow 2-5 business days for us to process your order before it is shipped . Orders placed after 16:00 on Fridays, or during weekends and public holidays, will begin processing on the next business day. Processing times may be extended during peak seasons or sales events.
Manufacturing Time: Some products needs manufacturing time, the manufacturing process will take approximately 10-30 business days depending on the product. This timeframe may vary depending on the complexity of the product and current demand. but this will be communicated with you during order confirmation.
Returns and Exchanges: We offer a 30-day return policy for most items. If you are not completely satisfied with your purchase, you may return it within 30 days of receipt for a refund or exchange. Items must be unused, in their original packaging, and accompanied by proof of purchase. Return shipping costs are the responsibility of the customer, unless the item was damaged or defective upon arrival.
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