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126kV Intelligent Combination Electrical Appliance

KYN28A series metal armored mid mounted switchgear

Overview

? KYN28A series metal armored mid mounted switchgear is a new generation of intelligent mid mounted switchgear products developed and developed by Yihe Electric Group. It is applicable to 6~24kV, with a rated current of 4000A and a rated breaking current of 50kA. The product meets relevant international and domestic standards and has completed a complete set of type tests at Xi'an Electric High Voltage Research Institute.

Performance Characteristics

Select reliable cabinet structure

interlocking mechanism and components

Perfect functional unit design

Adopting intelligent component control

High quality and reliability

safe operation

Easy installation and maintenance

Main electrical parameters of KYN28A series switchgear:

 

Project

Unit

Parameter

Switch cabinet model

 

KYN28A-12

KYN28-24

Rated voltage

kV

12

24

1min power frequency withstand voltage

kV

42 (phase to phase, ground) 48 (isolation fracture)

65 (phase to phase, ground) 79 (isolation fracture)

Lightning impulse voltage (full wave)

kV

75 (phase to phase, ground) 85 (isolation fracture)

125 (phase to phase, ground) 145 (isolation fracture)

Rated current

A

630、800、1250、1600、2000、2500、3150、4000

630、1250、1600、2000、2500、3150

Short time withstand current for 4 seconds (effective value)

kA

20、25、31.5、40、50

20、25、31.5

Rated peak withstand current

kA

50、63、80、100、125

50、63、80

Protection level

 

Shell IP4X, IP2X when the handcart compartment door is opened

Overall dimensions (width * height * depth)

mm

800*1560*2200
     1000*1560（1860）*2200(Rated current above 1600A)

1000*1800(2400)*2500