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KYN28A-12 (GZS1-12) Model Indoor AC Metal Clad Intermediate SwitchgearKYN28A-12 (GZS1-12) Model Indoor AC Metal Clad Intermediate SwitchgearKYN28A-12 (GZS1-12) Model Indoor AC Metal Clad Intermediate SwitchgearKYN28A-12 (GZS1-12) Model Indoor AC Metal Clad Intermediate Switchgear
KYN28A-12 (GZS1-12) Model Indoor AC Metal Clad Intermediate SwitchgearKYN28A-12 (GZS1-12) Model Indoor AC Metal Clad Intermediate SwitchgearKYN28A-12 (GZS1-12) Model Indoor AC Metal Clad Intermediate SwitchgearKYN28A-12 (GZS1-12) Model Indoor AC Metal Clad Intermediate Switchgear

KYN28A-12 (GZS1-12) Model Indoor AC Metal Clad Intermediate Switchgear

Brand Name: TSTY

Model Number: KYN28

TSTY Electric Co., Ltd.

TSTY Electric Co., Ltd.

1. General

1.1 Ratings: system voltage 3.6—12kV, rated current up to 3150A, AC 50/60Hz.

1.2 Application: applicable for power receiving and distribution and for control, protection and measurement of circuit.

1.3Standards: IEC 62271-200

switchgear

3.Working Condition

3.1 Ambient air temperature: -15°C~~ 40°C (-25°C~~ 45°C available as customized products)

3.2 Altitude: W4000m

3.3 Relative humidity:

Daily average <95%, daily average water vapor pressure <2.2kPa

Monthly average W90%, monthly average water vapor pressure W1.8kPa

3.4 Earthquake intensity: W magnitude 8

3.5 Applicable in places without corrosive, flammable gas and steam and places no regular severe shock. Note: Customized products available.

4. Feature

3.1 KYN28A-12(Z)(GZS1) and KYN28A-12(Z)(NB) available.

3.2 Reliable "anti-5" mechanical latch, convenient and safe maintenance,

3.3 Both VCB of ZN63n -12 developed by our company and VD4, VB2 AND 3AH manufactured by other companies around the world can be matched with the switchgear.

5. Main Technical Parameter

Item Unit Data
Rated voltage kV 3.6, 7.2,12
Rated frequency Hz 50
Rated current of circuit breaker A 630,1250,1600, 2000,2500,3150,4000,5000
Rated current of switchgear A 630,1250,1600, 20002500,3150,4000, 5000
Rated short time withstand current (4s) kA  1620,25,31.5,40,50
Rated 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 closing current (peak) kA 40,50, 63,80, 100,125
1 min power frequency Between poles? pole to earth kv 24,32,42
H3TPn withstand voitase between open contacts kV 24,32,48
insulation Lightning impulse        Between poles, pole to earfli kV KV 40, 60, 75
"ye* withstand voltage (peak) Between open contacts kV 46, 70,85
Protection level Shell: IP4X; IP2X when the CPT and CB doors are open.

Note: 1. The short circuit capacity of the current transformer should be separately considered.

          2. See technical parameters of ZN63A-12 in related catalogues of our company.

6. Structural diagram of switchgear
A、 the bus bar roomStructural diagram of switchgear
B、 the circuit breaker handcart room
C、 the cable room
D、 the relay instrument room
1、 cover
2、 branch small bus bar
3、 bus bar pipe
4、 main bus bar
5、 static contact installation
6、 contact box
7、 current mutual induction
8、 earthed switch
9、 cable
10、 arrester
11、earthed main bus bar
12、 mother board
13、control the small bus bar
14、 earthed switch operating mechanism
15、draw-out horizontal clapboard
16、 heat installation
17、circuit breaker handcart
18、twice connector
19、clapboard (valve )
20、loading and unloading clapboard
21、decompression channel
TSTY Electric Co., Ltd.

01 It has perfect mechanical and electrical double locking and anti error operation function.

02 The roof part adopts ventilation design, that is, it can meet the need of dust prevention and no need to consider the problem of pressure relief.

03 Cabinet use. single axis, double shaft and so on, to meet different requirements.

04 Using Aluminum-zinc composite flanging process, application of flat screw installation, flexible use, convenient, simple and practical, good performance.

TSTY Electric Co., Ltd.

TSTY Electric Co., Ltd.

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