Tiger Tiger Tiger


General Introduction

KYN28A metal-cased closed drawer switch device is suitable for 3.3~15kV three-phase AC power network of 50Hz. The equipment can be used for power distribution and control, monitoring and protection of the power circuit. It can be applied to the singular bus, and double bus system. The following notable merits are included:

Shield is composed of aluminum, zinc and bolt, enjoying high mechanical strength. The painted doors of cabinet make the device nice-looking and elegant. Shield protection level is IP4X.

China-made VS1 series vacuum breaker, as well as VD4 vacuum breaker (made by ABB) is adopted for the main switch. Any breaker adopted boasts merits including:long lifetime, less maintenance and small size and etc. Perfect and reliable functions prevent wrong operation.

Standards Adopted

>>GB3906 - 3.3~15 V AC Metal Enclosed Switch Device

>>GB/T 11022 - Technical Requirements on High Voltage Switch Device & Control Device Standards

>>IEC60298 - AC Metal Enclosed Switch and Control Device above 1kV, below 50kV

>>DL/T404 - Technical Requirements for ordering Indoors AC High-Voltage Switch Cabinet

Technical Specification

Items Unit Parameters
Rated voltage kV 3.3,6.6,11
Rated frequency Hz 50
Rated current of breaker A 630 1250 1600 2000 2500 3150
Rated current of switch cabinet A 630 1250 1600 2000 2500 3150
Rated dynamic current(4s) kA 16,20,25,31.5,40,50
Rated dynamic current (peak value) kA 40,50,63,80,100,125
Rated short-circuit switch on/off current kA 16,20,25,31.5,40,50
Rated short-circuit switch on/off current(peak value) kA 40,50,63,80,100,125
Protection level   IP4X forshield,IP2X when the
doors of shisolation and breaker room open
Dimensions (W×D×H,) mm 800×1660×2300

KYN28A-12 high voltage switch cabinet     Click To View »
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