安装方法说明
参考方法
安装用于
获得载流
容量
1个房间
绝缘导线或单芯
管道中的电缆
隔热墙a、c
A1级
a中导管中的2室多芯电缆
隔热墙a、c A2
3室多芯电缆直接在热
隔热墙a、c A1
4.
绝缘导线或单芯
木制或
砌体墙或间距小于
0.3×itc导管直径
地下一层
5.
电缆管道中的多芯电缆
木墙或砖墙或间隔墙
小于0.3×导管直径
从it c
地下二层
6.
7.
6 7
绝缘导线或单芯
电缆槽中的电缆（包括
多隔间中继）
木质或砖墙
–水平运行b
–垂直运行b、c
地下一层
8.
9
8 9
电缆槽中的多芯电缆
（包括多隔间线槽）
在木制或砖石墙上
–水平运行b
–垂直运行b、c
正在考虑d
可使用方法B2
注1：插图并非旨在描述实际的产品或安装实践，而是指示
描述的方法。
274电气设备| ABB
1馈线保护
1.2电缆的安装和尺寸
项目
无安装说明方法
参考方法
安装用于
获得载流
容量
绝缘导线或单芯电缆
悬挂式电缆槽b 10 B1中
11
10 11
悬索中的多芯电缆
中继b B2
12绝缘导线或单芯电缆
磨合模件c、e A1
15线槽c、f A1中导管或单芯或多芯电缆中的绝缘导线
16
导管中的绝缘导线或窗户中的单芯或多芯电缆
框架c、f
A1级
20
单芯或多芯电缆：
–固定在或间距小于0,3×
木制或
砌体墙
c
C
21
单芯或多芯电缆：
–直接固定在木制或
砌体天花板
C、 第3项
表5
22单芯或多芯电缆：
–与天花板隔开
正在考虑中
可使用方法E
23悬浮用电设备的固定安装
C、 第3项
表5

Methods of installation Description Reference method of installation to be used to obtain current-carrying capacity 1 Room Insulated conductors or single-core cables in conduit in a thermally insulated wall a, c A1 2 Room Multi-core cables in conduit in a thermally insulated wall a, c A2 3 Room Multi-core cable direct in a thermally insulated wall a, c A1 4 Insulated conductors or single-core cables in conduit on a wooden or masonry wall or spaced less than 0,3 × conduit diameter from itc B1 5 Multi-core cable in conduit on a wooden or masonry wall or spaced less than 0,3 × conduit diameter from it c B2 6 7 6 7 Insulated conductors or single-core cables in cable trunking (includes multi-compartment trunking) on a wooden or masonry wall – run horizontally b – run vertically b, c B1 8 9 8 9 Multi-core cable in cable trunking (includes multi-compartment trunking) on a wooden or masonry wall – run horizontally b – run vertically b, c Under consideration d Method B2 may be used NOTE 1 The illustrations are not intended to depict actual pr oduct or installation practices but are indicative of the method described. 274 Electrical devices | ABB 1 Protection of feeders 1.2 Installation and dimensioning of cables Item No Methods of installation Description Reference method of installation to be used to obtain current-carrying capacity Insulated conductors or single-core cable in suspended cable trunking b 10 B1 11 10 11 Multi-core cable in suspended cable trunking b B2 12 Insulated conductors or single-core cable run in mouldings c,e A1 15 Insulated conductors in conduit or singlecore or multi-core cable in architrave c, f A1 16 Insulated conductors in conduit or singlecore or multi-core cable in window frames c,f A1 20 Single-core or multi-core cables: – fixed on, or spaced less than 0,3 × cable diameter from a wooden or masonry wall c C 21 Single-core or multi-core cables: – fixed directly under a wooden or masonry ceiling C, with item 3 of Table 5 22 Single-core or multi-core cables: – spaced from a ceiling Under consideration Method E may be used 23 Fixed installation of suspended currentusing equipment C, with item 3 of Table 5