Liyond Manufacturer 12kv Medium Voltage Kyn28 Metal Clad Withdrawable Switchgear

Liyond Manufacturer 12kv Medium Voltage Kyn28 Metal Clad Withdrawable Switchgear image

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Basic Info.

Model NO.

KYN28A-12

Application

Electric Power Transmission

Rated Frequency

50Hz/60Hz

Transport Package

Standard Export Packaging

Specification

circuit breaker unit

Trademark

Liyond

Origin

China

HS Code

8537209000

Production Capacity

10000 Set/Month

Product Description

KYN28-12 model Metal-clad Centered Metal-enclosed Switchgear applies to 3 phase AC 50Hz single bus, single-bus sectionizing system. Rated voltage is 12kV having five protection function.

Switchgear equipped with VD4-12, VS1-12, VBI-12, VSG-12 type VCB handcart.

The protection class of enclosure is IP4X and it will be IP2X as the cubicle door is opened.

The enclosure is made of aluminium-zinc plated steel sheet after multi-bending, then assembled with bolts to ensure its uniformity in size.

The cubicle can be divided into circuit breaker compartment, busbar compartment, cable compartment, instrument compartment( low voltage compartment), and each function unit boxes are divided independently.

According to its usage, the handcart can sort into CB handcart, PT handcart, measuring handcart and so on.

The handcart has testing position and working position in cubicle, and each position is equipped with a locating device.

The handcarts will not move at random when in specified position.

Switchgear Structure

Technical Specifications

Item		Unit	Data
Rated voltage		kV	12
Rated insulation level	1min.P.F.withstand voltage	kV	42
	Lighting impulse withstand voltage	kV	75
Rated frequency		Hz	50
Rated current		A	630, 1250, 1600, 2000, 2500, 3150, 4000
4S Rated thermal stability current		kA	20, 25, 31.5, 40, 50
Rated moving stability current (peak)		kA	50, 63, 100, 125
Protection class		Enclosure: IP4X, opened door: IP2X
Outline dimension	≤1250A	800×1500 (1300) ×2300
	>1250A	1000×1500×2300
	Aerial incoming and outgoing	The depth changes to 1670

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