KYN1128-12 AC Metal-enclosed Switchgear
Negotiable
China
No.12 Hongtai Road, Huaming Street, Dongli District, Tianjin City
15822469629
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Product Introduction

The KYN1128-12 type armored removable AC metal-enclosed switchgear features a modular cabinet design, high degree of modularity, small footprint, convenient operation and maintenance, and high level of intelligence. It can be widely applied in power plants, transmission from small and medium-sized generators, power distribution in industrial and mining enterprises, and secondary substations in power systems for receiving and sending power, particularly suitable for distributed unmanned substations.

Product Advantages

Adopts double isolation breaks with visible breaks and a dedicated large-volume internal arc pressure relief channel, offering higher safety.

Employs a slider hinge shutter mechanism, meeting the requirement of 3,000 maintenance-free mechanical life cycles.

Uses a straight-line main circuit, satisfying the temperature rise requirements for 3150A under natural air cooling.

Reasonably designs pressure relief channels and circuits, achieving the highest LSC2B-PM loss of continuity of supply category.

Modular combination enables quick response to user needs, with a cabinet width of 600mm, saving 26.9% of floor space.

Integrates primary and secondary fusion technology, edge computing + big data analysis technology, supporting high-level intelligent lean operation and maintenance of the switchgear.

Product Parameters

No.

Project

Unit

Parameters

No.

Project

Unit

Parameters

1

Rated voltage

kV

12

10

Arc grade

/

BFLR31.5kA,1S

2

Rated current

A

630-4000

11

BFLR40kA,1S

3

Power frequency withstand voltage

To ground and interphase

kV

42

12

Mechanical life

Times

Circuit Breaker: 20000

Between isolation fractures

48

4

Lightning impulse withstand voltage

To ground and interphase

kV

75

13

Protection level

Cabinet

IP4X

Between isolation fractures

85

5

Partial discharge

pC

≤ 30

14

Compartment

IP2X

6

Rated short-circuit breaking current

kA

25, 31.5, 40

15

Weight

kg

900-1200

7

Rated short-circuit current breaking times

Times

30

16

Overall dimension (W×D×H) mm

630A

600 × 1450 × 2300

8

Rated short-time withstand current/time

kAs

25/31.5/40/4

17

1250A

600 × 1450 × 2300

9

Rated peak withstand current

kA

63/80/100

18

2500/3150/4000A

900 × 1750 × 2300