Siemens 3AH3 Operating Instructions Manual page 15

The pole assembly (19.) consists of the upper
interrupter support (20.) with the upper terminal (27.),
the vacuum interrupter (30.), the lower interrupter
support (40.) with the lower terminal (29.), the clamp
(29.2) with the flexible connector (29.1) and angled
lever (48.6). The centering piece (28.1) and the struts
(28.) relieve the vacuum interrupters of external forces
see (Fig. 2/4).
Fig. 2/4 3AH3 pole assembly
图. 2/4 3AH3 极柱装配
Operating Instruction Siemens 3AH3 / 西门子 3AH3 真空断路器使用手册
真空断路器极柱装配 (19.) 包括带有上接线终端 (30.) 上
极帽 (27.), 带有下接线终端 (29.) 下极帽, 以及连接于
软连接 (29.1) 的导电夹 (29.2) 和拐臂 (48.6). 衬垫 (28.1)
和 绝缘支撑杆 (28.) 减弱了施加于真空灭弧室的
外部压力(见图.2/4).
- 2/3 -
上海锐杰电器有限公司提供