Sign In | Join Free | My frbiz.com
frbiz.com
Products
Search by Category
Home > Electronic Measuring Instruments >

12kv Mid Mount Middle Voltage Switchgear For Electric Power Distribution

Categories Medium Voltage Switchgear
Brand Name: Tianan Electric
Model Number: KYN28A-12
Certification: GB3906,IEC298 (1990)
Place of Origin: CHINA
MOQ: 1set
Price: Pending
Payment Terms: L/C, T/T, D/P, D/A, MoneyGram, Western Union
Supply Ability: 5000sets per year
Delivery Time: 45work days
Packaging Details: wooden case
Structure: withdrawable enclosed type
Rated Voltage: 3.6,7.2,12kV
Rated current of main busuar: 630~4000A
major loop resistance: ≤400
  • Haven't found right suppliers
  • Our buyer assistants can help you find the most suitable, 100% reliable suppliers from China.
  • And this service is free of charge.
  • we have buyer assistants who speak English, French, Spanish......and we are ready to help you anytime!
Submit Buying Request
  • Product Details
  • Company Profile

12kv Mid Mount Middle Voltage Switchgear For Electric Power Distribution

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

Quality 12kv Mid Mount Middle Voltage Switchgear For Electric Power Distribution for sale
Send your message to this supplier
 
*From:
*To: Ningbo Tianan (Group) Co.,Ltd.
*Subject:
*Message:
Characters Remaining: (0/3000)
 
Inquiry Cart 0