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  • KYN28A-12 indoor metal armored central switchgear

KYN28A-12 indoor metal armored central switchgear

The product consists of two parts: the cabinet and the extractable part (handcart). The cabinet structure is made of aluminum-zinc plate or galvanized plate. It is divided into circuit breaker room (handcart room) and main busbar by metal pa…
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product description

Features


The product consists of two parts: the cabinet and the extractable part (handcart). The cabinet structure is made of aluminum-zinc plate or galvanized plate. It is divided into circuit breaker room (handcart room) and main busbar by metal partition. The chamber, cable compartment and relay instrument room, and all metal structures are reliably grounded, and each compartment of the main loop system has an independent pressure relief channel.


product description


KYN28A-12 indoor metal armored central switchgear is a three-phase AC 50Hz, rated voltage 12KV, working current to 4000A indoor power distribution unit. It is suitable for power plants, substations, industrial and mining enterprises, etc. as a means of receiving and distributing electrical energy, controlling and protecting the circuit, and also for frequent operation.


Product parameters


project

unit

data

Rated voltage

KV

3.6;7.2;12

Rated frequency

Hz

50

Circuit breaker rated current

A

630;1250;1600;2000;2500;3150

Switching device rated current

A

630;1250;1600;2000;2500;3150

Rated short-time withstand current(4S)

KA

20;25;31.5;40

Rated peak withstand current (peak)

KA

50;63;80;100

Rated short-circuit breaking current

KA

24;32;42

Rated short circuit closing current (peak)

KA

24;32;42

Rated insulation level, 1min power frequency withstand voltage, pole-to-ground, pole-to-ground/fracture

KV

40;60;75

Lightning impulse withstand voltage (peak), interpole, pole to ground / break

KV

46;70;85

Protection level

The enclosure is IP4X, compartment, and the circuit breaker compartment door is IP2X when it is open.


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