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KYN28-24 Armored Withdrawable Type AC Metal-Enclosed Switchgear

KYN28-24 switchgear has a variety of functions to prevent misoperation, including preventing moving handcar with load, preventing grounding switch from closing the circuit breaker, preventing live grounding switch and preventing straying into the live compartment. Switchgear equipped with excellent performance of VS1, VN2 series of medium high voltage AC vacuum circuit breaker and solid sealed vacuum switch. The secondary circuit of the switchgear is equipped with advanced and reliable control and protection elements; The bus bar adopts heat shrink insulation material or epoxy coated insulation means, optimizes the electrode shape, and the cabinet structure is compact. The switchgear is a power distribution equipment with advanced technology, stable performance, reasonable structure, convenient use, safety and reliability.

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Product

Overview

KYN28-24 switchgear has a variety of functions to prevent misoperation, including preventing moving handcar with load, preventing grounding switch from closing the circuit breaker, preventing live grounding switch and preventing straying into the live compartment. Switchgear equipped with excellent performance of VS1, VN2 series of medium high voltage AC vacuum circuit breaker and solid sealed vacuum switch. The secondary circuit of the switchgear is equipped with advanced and reliable control and protection elements; The bus bar adopts heat shrink insulation material or epoxy coated insulation means, optimizes the electrode shape, and the cabinet structure is compact. The switchgear is a power distribution equipment with advanced technology, stable performance, reasonable structure, convenient use, safety and reliability.

 

Model Meaning

K Y N 28 24 Z
Metal armoured type Shifting type Indoor Design sequence number Rated voltage (KV) Vacuum circuit breaker

 

Conditions Of Use

◆ Environmental conditions: maximum temperature +40℃ , minimum temperature -15℃ , and the average measured within 24h does not exceed 35℃

◆ Temperature conditions are as follows: the average daily relative humidity does not exceed 95%; The average monthly relative humidity is less than 90%. The average daily steam pressure does not exceed 2.2kPa; The average monthly vapor pressure does not exceed 1.8kPa;

◆ Altitude does not exceed 1000m;

◆ The surrounding air is not significantly contaminated by dust, smoke, corrosive or combustible gases, vapors or salt spray;

◆ Vibration or ground movement from outside switchgear and control equipment can be ignored;

◆ The amplitude of electromagnetic interference induced in the secondary system does not exceed 1.6kV.

 

KYN28-24 Armored Withdrawable Type AC Metal-Enclosed Switchgear

Item Units Argumentt
Rated short-time withstand current(4s) kA 20  31.5
Rated peak withstand current kA 50  80
Rated voltage of auxiliary control loop V Dc or AC 110/220
Class of protection IP4X(Open circuit breaker door or IP2X between compartmentalrooms)
Overalldimensions(WXDXH) mm 800×1810×2380  1000×1810×2380
Weight kg 840~1440  840~1440
Rated voltage kV 24  24
Rated frequency Hz 50/60  50/60
Lightning impulse withstand voltage
(peak)
kV Interphase   60 Isolation fracture   79
Rated
insulation level
1min power frequency withstand
voltage(RMS)
kV Interphase   125 Isolation fracture   145
Auxiliary control loop power frequency
withstand voltage
V 2000
Rated current A 630,1250,1600,2000,2500,3150
Rated short-circuit breaking current kA 20  31.5
Rated short circuit closing current(peak) kA 50  80

 

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