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12kv Mid Mount Middle Voltage Switchgear For Electric Power Distribution

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12kv Mid Mount Middle Voltage Switchgear For Electric Power Distribution

China 12kv Mid Mount Middle Voltage Switchgear For Electric Power Distribution supplier
12kv Mid Mount Middle Voltage Switchgear For Electric Power Distribution supplier 12kv Mid Mount Middle Voltage Switchgear For Electric Power Distribution supplier 12kv Mid Mount Middle Voltage Switchgear For Electric Power Distribution supplier 12kv Mid Mount Middle Voltage Switchgear For Electric Power Distribution supplier

Large Image :  12kv Mid Mount Middle Voltage Switchgear For Electric Power Distribution

Product Details:

Place of Origin: CHINA
Brand Name: Tianan Electric
Certification: GB3906,IEC298 (1990)
Model Number: KYN28A-12

Payment & Shipping Terms:

Minimum Order Quantity: 1set
Price: Pending
Packaging Details: wooden case
Delivery Time: 45work days
Payment Terms: L/C, T/T, D/P, D/A, MoneyGram, Western Union
Supply Ability: 5000sets per year
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Detailed Product Description
Structure: Withdrawable Enclosed Type Rated Voltage: 3.6,7.2,12kV
Rated Current Of Main Busuar: 630~4000A Major Loop Resistance: ≤400

12KV  Mid - Mount   Electric Power Distribution AC Switchgear 

 

Overview

 

KYN28A-12Seiries Indoor AC Metal Clad  Switchgear / Cabinet. It is suitable for three-phase AC rated voltage 12KV, rated frequency 50Hz power system to receive and distribute the electrical energy and to control, protect and monitor the circuit.

 

Meet the standard: GB3906-97 3-35KV AC Metal-enclosed Switchgear, GB11022-89 High-voltage Switchgear General Technical Conditions, IEC298 (1990) AC Metal-enclosed Switchgear and Control Equipment With Rated Voltage Above 1kv and 50kv or Below .

Application

The 12KV withdrawable enclosed switchgear is mainly used in power plants, small- and mediumsized power generators, industrial and mining enterprises, and secondary substations of power system for power receiving, power transmission, and startup of large-sized high-voltage motor in order to implement control, protection, and monitor.

 

 

Parameter

 

No.

Item

unit

Parameter

1

Rated voltage

KV

12

2

Main busbar rated current

A

630

3

Rated current

A

630

4

Rated frequency

HZ

50

5

Rated short-time withstand current

KA

20

6

Rated short time continual time

S

4

7

Rated peak withstand current

KA

50/125

8

Rated short-circuit making current

KA

50

9

Rated active load breaking current

A

630

10

Rated closed loop breaking current

A

630

11

Rated cable-charging breaking current

A

10

12

The earthing switch rated
short-time resistance current

KA

20

13

Grounding switch rated
short circuit duration

S

4

14

Grounding switch rated
peak withstand current

KA

50

15

Rating insulation level

1min Power
frequency withstand
voltage

KV

(phase to phase/ phase-to-ground) 42;
(isolating distance) 48

lightning impulse
withstand voltage
(peak value)

KV

(phase to phase/ phase-to-ground) 75;
(phase to phase/ phase-to-ground) 85

16

major loop resistance

 

≤400

17

mechanical life

Load switch

time

5000

Earthing switch

time

2000

18

subsidiary loop 1min Power
frequency withstand voltage

KV

2

19

SF6 Rated Gas pressure
(20ºC gauge pressure)

Mpa

0.04

20

SF6 Gas annual Leakage rate

 

1%

21

Protection grade

 

IP4X

Contact Details
Ningbo Tianan (Group) Co.,Ltd.

Contact Person: admin

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