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126kV Intelligent Combination Electrical Appliance

KYN61 series metal armored movable switchgear

Overview

​ The KYN61 series metal armored movable switchgear is a new type of metal armored movable switchgear developed by Yihe Electric Group by increasing the combination of production, education, and research, and jointly designing and introducing Schneider advanced technology with Xigao Institute.

Performance Characteristics

Fully enclosed armored cabinet structure

stable and reliable performance

high mechanical strength; Perfect error prevention function and reliable "five prevention locking" design; Reliable grounding system

using a closed grounding circuit composed of copper bars; Equipped with a complete propulsion mechanism to ensure reliable mechanical linkage; Adopting convective ventilation and heating exhaust to prevent condensation measures; Improve internal fault relief channels to ensure personal and equipment safety;

 

Main electrical parameters of KYN61 switchgear:

 

Project

Parameter

Rated voltage

40.5 kV

Rated insulation level

1min power frequency withstand voltage

95/115 kV

Lightning impulse withstand voltage

185/215 kV

Rated frequency

 

50 Hz

Rated current

 

1250、1600、2000、2500、3150 A

Rated short-circuit breaking current

 

20、25、31.5 kA

Rated peak withstand current

 

50、63、80 kA

Short time withstand current for 4 seconds (effective value)

 

20、25、31.5 kA

Protection level

 

IP4X, IP2X when the handcart compartment door is opened

Overall dimensions (width * height * depth)

Equipped with VYH4 circuit breaker

1200(1400)*2860*2600 mm

Equipped with VD4 circuit breaker

1200*2860*2600 mm

Equipped with FP type circuit breaker

1400*2860*2600 mm

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