1. Overview

KYN28A-12 type indoor metal armored withdrawable switchgear is a product initiated by the former Ministry of Electric Power Industry and the Ministry of Machinery Industry and designed by Xi’an Senyuan Electric Co., Ltd. Our company is a designated manufacturer of KYN28-12 indoor metal armor A professional manufacturer of removable switchgear.

　　 2. Structural characteristics

1. The switch cabinet shell and partitions are made of imported aluminum-zinc sheet (or galvanized sheet) with a thickness of ≥2mm, which is made by multiple bending. It has high strength and can maintain good anti-corrosion and resistance without any surface treatment. Oxidizing, compact structure, small size, advanced functions, safe and reliable high-voltage switchgear. The protection level of the shell is IP4X, and the protection level of the compartment is IP2X.

　　2. The KYN28A-12 (GZS1) produced by our company can be equipped with VB2, VBI, ZN28-12G, 3AH series, ZN12, ZN65, ZN21 series and other circuit breakers in addition to VS1 and VD4 switches.

　　 3. Model meaning

　　4. Schematic diagram of switchgear structure

A、Busbar room B、Circuit breaker handcart room C、Cable room D、Relay instrument room 1、shell 2、Branch bus 3、Bus bushing 4、Main bus 5、Static contact device 6、Static contact box 7、Current Transformer 8、Earthing switch 9、cable 10、lightning arrester 11、Grounded main bus 12、Removable partition 13、Partition (trap) 14、Secondary plug 15、Circuit breaker handcart 16、heating equipment 17、Withdrawable horizontal partition 18、Earthing switch operating mechanism 19、Bottom plate 20、Pressure relief device

Type B internal structure