1 概述 General
KYN61-40.5型铠装移开式交流金属封闭开关设备可配备移开式3AV3(ZN85-40.5)型真
空断路器、SF型和FP 系列六氟化硫断路器。
KYN61-40.5 Metal-clad with draw out AC Metal-enclosed Switchgear can be equipped with draw out
3AV3 (ZN85-40.5) vacuum circuit breakers，SF and FP series of SF circuit breakers.
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KYN61-40.5 型铠装移开式交流金属封闭开关设备(以下简称开关柜)适用于三相交流
50Hz、40.5kV单母线及单母线分段电力系统，主要应用于发电厂、变电站及工矿企业中
作为接受和分配电能之用，并对电路起到控制、保护和检测作用。
KYN61-40.5 Metal-Clad with draw out AC Metal-enclosed Switchgear (hereinafter referred to as the
Cabinet), widely applied in 3-phase AC 50Hz, 40.5kV single busbar electric power systems and single
busbar segment electric power system, is mainly used in power plants, substations, industrial and mineral
enterprises, good quality for control, protection and inspection of electric circuits as well as for acceptance
and distribution of electric power.
Assembly code
Product
type
Diagram mark Weight Scale
Modified
Mark Symbol Signature Date
file number
Design 梁 权 Standardization 刘翠芳 Page 1 A4
Check 李培康 Approved 李鸿儒
Verify 陈 宽 VEI LY electrotechnical institute
Processing 宋邦申 Date 2010.012 特点 Features
a、采用热缩绝缘材料及环氧涂覆的绝缘手段，优化电极形状，柜体结构紧凑，占地面积
小；
b、可配用3AV3(ZN85-40.5)真空断路器和施耐德SF1、SF2型及阿尔斯通FP系列六氟化硫
断路器，以满足不同用户的要求；
c、开关柜各功能小室均采用金属板封隔，并设有独立的压力释放通道；
d、断路器、接地开关等操作均可在开关柜门关闭的情况下进行，即可实现关门操作；
e、手车、断路器，接地开关和后柜门之间设有防止误操作的机械连锁装置，“五防”功
能齐全，安全可靠；
a、Different insulating means are applied such as using thermal shrink insulating materials and epoxy
covering for the purpose of electrode shaping optimization which results in compactness of the cabinet
so as to reduce the occupied land area;
b、The Cabinet may be equipped with domestic ZN85-40.5 (3AV3) vacuum circuit breaker (VCB),
Schneider SF1 and SF2 VCBs, and Alston FP Series of SF Circuit Breakers just for customers’ option;
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c、Functional compartments in cabinet are separated by sheet metal partitions in between. There is also an
independent pressure release channel facility;
d、Operation of circuit breaker and earthing switch may be conducted when the cabinet door is closed;
e、There is a mechanical interlocking device for mis-operation among truck, circuit breaker, earthing switch
and rear cabinet door. It features perfect in “five prevention” function and reliable in safety;
Assembly code
Product
type
Diagram mark Weight Scale
Modified file
Mark Symbol Signature Date
number
Design 梁 权 Standardization 刘翠芳 Page 2 A4
Check 李培康 Approved 李鸿儒
Verify 陈 宽 VEI LY electrotechnical institute
Processing 宋邦申 Date 2010.013 技术参数 Technical parameter
序号
项 目Item 参 数Value
NO.
1 额定电压 Rated voltage kV 40.5
1min工频耐压(有效值)
95 (相间、相对地、断口)
1min rated power-frequency withstand
2 绝缘水平 voltage (rms.) kV (between phases, phase to earth, across the
open break)
Rated insulation
雷电冲击耐压(峰值)
level 185 (相间、相对地、断口)
Rated lightening impulse withstand
(between phases, phase to earth, across the
Voltage (peak.) kV
open break)
3 额定电流 Rated current kA 1250 1600 2000 2500
4 额定短路开断电流(有效值)
25, 31.5
Rated short-circuit breaking current (rms.) kA
5 额定开断次数 Rated breaking times times 30
6 额定短路关合电流(峰值)
63, 80
Rated short-circuit making current (peak) kA
7 额定峰值耐受电流 Rated peak withstand current kA 63, 80
8 额定短时耐受电流 Rated short time withstand current kA 25, 31.5
9 热稳定电流时间 Thermal current time s 4
10 防护等级Degree of protection IP2X
11 操作方式Operation method 弹簧储能式 Spring energy
单母线或单母线分段, 带旁路母线
12 母线系统Busbar System Single bus or single bus segment with
bypass busbar
13 外形尺寸(宽×高×深) Dimensions (W × H × D) mm 1400×2600×2800(3000)
Assembly code
Product
type
Diagram mark Weight Scale
Modified file
Mark Symbol Signature Date
number
Design 梁 权 Standardization 刘翠芳 Page 3 A4
Check 李培康 Approved 李鸿儒
Verify 陈 宽 VEI LY electrotechnical institute
Processing 宋邦申 Date 2010.014 结构 Structure
KYN61-40.5型铠装移开式交流金属封闭开关设备主要由柜体和断路器(手车)等两大

"KYN61-40.5" 是一种常见的高压开关柜型号，其中 "KYN" 代表铠装式移开式交流金属封闭开关设备（Kearns Yoke Normal type Switchgear），这是一种适用于电力系统中电压等级为40.5kV的开关设备。具体来说： - "61" 表示该开关柜符合GB/T 6587.5-2008《高压开关柜共用技术条件》的相关标准，具有明显的操作和维护便利性、安全防护及防火防潮等特性。 - "40.5" 则指明了开关柜的工作电压等级，即额定短时工频耐受电压为40.5千伏（kV）。 总之，KYN61-40.5型高压开关柜是一种广泛应用在变配电室内的成套设备，用于接受、分配和控制电力系统中的高压电能，并提供必要的保护功能。