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High Voltage Metal Enclosed Switchgear

High Voltage Metal Enclosed Switchgear
High Voltage Metal Enclosed Switchgear
Product Code : KYN28-12(Z)
Brand Name : BIG PAWER ELECTRCIAL TECHNOLOGY
Product Description
High Voltage Metal Enclosed Switchgear is indoor assembled distribution equipment. Its rated voltage is 3.6~12KV and frequency is 5oHz. It is used for applying power in power plant and receiving and distributing power in substation of industry enterprises and electrical system, as well as high voltage motor which starts frequently.

The switchgear complies with standards of GB3906, DL404, IEC-298 and so on. While it has five preventive function that are misoperating to circuit breaker, pulling and pushing cart with load, opening and closing earthing switch with electricity, applying power when the earthing switch is on earth position and mis-entering compartment with electricity.

Basic Information

Model No.

Kyn28A-12 (Z)

Type

Power

Structure

Protection

Measurement

In following Diagram


Standards and specifications

GBS906-2006 3~35kV A. C. Metal-enclosed switchgear

GB/T-11022-1999 Common specifications for high-voltage switch gear and control gear standards

DL-T404-1997 Indoor AC high voltage switchgear panel

Main technical parameters of operation mechanism parameter

Unit

Value

Rated voltage

KV

3.6 7.2 12

Rated current

A

630, 1250, 1600, 2000, 2500, 3150

Rated frequency

HZ

50

Rated short-time withstand current

KA

16, 20, 25, 31.5, 40

Rated peak withstand current

KA

40, 50, 63, 80, 100

Rated power frequency withstand voltage

KV

42 (1 min)

Rated lightning impulse withstand voltage

KV

75

Rated duration of short circuit

S

4

Protection grade

IP4X


Main technical parameters of vacuum circuit breaker

Parameter

Unit

Value

Rated voltage

KV

12

Rated voltage

A

630, 1250, 1600, 2000, 2500, 3150

Rated frequency

HZ

50

Rated short opening current

KA

25, 31.5, 40

Rated short-time withstand current

KA

25 31.5 40

Rated short closing current

KA

63 80 100

Rated power frequency withstand voltage

KV

42/1 min

Rated lightning impulse withstand voltage

KV

75

Rated duration of short circuit

S

4

Closing time

ms

30<t<70

Opening time ms 30<t<100



Rated short opening current times

N

50(It is 30 at 40KA)

Mechanical life

N

10000

Main technical parameters of operation mechanism

Parameter


Unit

Value

Rated operation voltage

Opening coil

V

DC220/110

Closing coil


AC220/110

Rated operation Current

Opening coil

A

(DC/AC)220/110V:0.9/1.8

Closing coil


(DC/AC)220/110V:1.0/2.0

Power of stored energy motor

W

70

Rated voltage of stored energy motor

V

DC220/110 AC220/110

Stored energy time

S

<15


BIG PAWER ELECTRCIAL TECHNOLOGY XIANGYANG CO., LTD.

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