产品描述
概述 Product Overview
KYN28-12/24铠装型移开式交流金属封闭开关设备（简称开关柜）系三相交流50Hz的户内成套配电装置，用于接受和分配3.6-24千伏的网络电能并对电路实行控制保护及监测。本开关柜能满足GB3906、DL404、IEC-298等标准要求，并具有防止误操作断路器，防止带负荷推拉手车，防止带电关合接地开关，防止在接地位置送电和防止误入带电隔，即简称的“五防”功能。它既能配用ZN(VS1)、VXG真空断路器，也可配置进口VD4、EV12、3AH真空断路器。
KYN28-12/24 Metal-clad movable VDZ
产品特点 Product Characteristics
■柜体结构采敷铝锌板多重折弯组装而成。The structure of cabinet selects multiple-folded aluminum- metalized zinc plate.
■完全金属铠装及彻底分隔。 Complete metal clad and split thoroughly
■所有设备的操作均可在柜门关闭状态下进行。The operation can be conducted when the cabinet door is closed
■柜壳密封度高，防止设备受杂物和虫害侵入，防护等级IP4X。High tightness of cover, prevent from dirt and insect. Level of Protection: IP4X
■简单且有效的闭锁、防止误操作。Simple and effective interlock to prevent from malfunction
■可配用ZN63(VS1)、VXG真空断路器手车、进口VD4(ABB)、EV12（施耐德）、3AH（西门子）真空断路器手车。The home-produced ZN63(VS1) and VDZ
■高压室内的真空断路器及其操动机构仅需少量维护。The vacuum circuit breaker and operating mechanism in the high-voltage chamber only require little maintenance.
■更换断路器非常简单，手车互换性好。Replace the circuit breaker easily, hand cart enjoys sound change ability with the similar parts
■柜体可靠墙安装，柜前维修，减少占地面积。The cabinet can be mounted against the wall, maintenance in front of cabinet, reduce the floor area
■二次线敷设于尺寸宽裕的线槽内，容易接线。Secondary line is set in the wiring groove with sufficient size, easily for connection
■电缆室有充裕的空间，可联接多根电缆。Sufficient space in the cable chamber which allows to connect several cables
■透过面板门，极易观察到电缆到安装情况。From the panel door, the cable mounting condition can be easily observed.
■快速接地开关用于接地和回路短接。The high-speed grounding switch is used to grounding and loop short-circuit connection
■产品符合GB3906，DL404及参照采用国际IEC-298。The product is in compliance with standard GB3906, DL404 and take international IEC 298 for reference.
技术数据
序号 | 项目 | 单位 | 参数 | |
| 额定电压 | KV | 12 | |
2 |
额定绝 缘水平 | 相间、对相地 |
|
42 75 |
1min工频耐受电压 | KV | |||
雷电冲击耐受电压 | ||||
3 | 额定短时耐受电流（4s） | KA | 20 25 31.5 | |
4 | 额定短路开断(有效值)电流 | KA | 20 25 31.5 | |
5 | 额定峰值耐受电流 | KA | 50 63 80 | |
6 | 额定关合电流（峰值） | KA | 50 63 80 | |
7 | 主母线额定电流（峰值） | KA | 1250 2000 3150 | |
8 | 分支母线额定电流 | A | 400 630 1000 2000 | |
9 | 防护等级 |
| IP4X | |
10 | 外形尺寸（宽×深×高） | mm | 800（1000）×1500（1900）×2600
| |
11 | 主回路电阻 | μΩ
| 1220A≦150 2500A≦120 | |
注：*括号内数据为开关柜特殊方案
No. | Item | Unit | Parameter | |
1 | Rated voltage | KV | 125 | |
2 |
Rated insulation level |
|
|
42 75 |
Power frequency withstand voltage1min | KV | |||
Lightning impulse withstand voltage | ||||
3 | Rated short - time withstand current（4s） | KA | 20 25 31.5 | |
4 | Rated short circuit breaking current(effective value) | KA | 20 25 31.5 | |
5 | Rated peak withstand current | KA | 50 63 80 | |
6 | Rated making current（peak value） | KA | 50 63 80 | |
7 | Main busbar rated current（peak value） | KA | 630 1250 2000 3150 | |
8 | Branch busbar rated current | A | 400 630 1000 | |
9 | Protection grade |
| IP4X | |
10 | Dimension（W×D×H） | mm | 800（1000）×1500（1900）×2600
| |
11 | Main loop resistance | μΩ
| ≦150 ≦120 | |
The data in brackets is a special scheme of the switch cabinet
使用坏境：
户内-25-45度，
湿度不大于50.
海拔：不大于1000米，大于1000按标准修正。
结构见图
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