KYN28A-12 Armored Removable Type Metal-Enclosed Switchgear
Negotiable
China
Sanyu Village, Wengyang Subdistrict, Yueqing City, Wenzhou City, Zhejiang Province
+86 15286827607
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Product Introduction

Product Introduction:
The KYN28A-12 armored removable type metal-enclosed switchgear is suitable for three-phase AC power systems with a rated voltage of 12kV and a rated frequency of 50Hz. It is used for receiving and distributing electrical energy, as well as controlling, protecting, and monitoring the electrical circuits.

Product Parameters

Table 1: Main technical parameters of vacuum circuit breaker

Project

Unit

Numerical

Rated voltage

kV

3.6, 7.2, 12

Rated frequency

Hz

50

Rated current of circuit breaker

A

630, 1250, 1600, 2000, 2500, 3150

Switchgear rated current

A

630, 1250, 1600, 2000, 2500, 3150

Rated short-time withstand current (4S)

kA

16, 20, 25, 31.5, 40, 50

Rated peak 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

Rated insulation level

1min power frequency withstand voltage

kV

24, 32, 42

Lightning impulse withstand voltage

kV

40, 60, 75

Protection level

-

The enclosure is IP4X, and the compartment and circuit breaker chamber doors are IP2X when opened.

Table 2: Mounting Dimensions

Cabinet width A

Cabinet depth B

L1

L2

L3

L4

800

1500 cable

530

630

150

490

800

1660 overhead

530

630

310

650

800

1500 cable

730

830

150

490

1000

1660 overhead

730

830

310

650