Siemens 3AH3 Operating Instructions Manual page 2

Vacuum circuit breaker 7.2kv 36kv
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主要零部件说明
13.
Checking marking
15.
Pole plate
16.1 Upper post insulator
16.2 Lower post insulator
19.
Pole assembly,
complete
20.
Upper interrupter
support
27.
Upper terminal
28.
Strut
28.1 Centering piece
29.
Lower terminal
29.1 Flexible connector
29.2 Clamp
30.
Vacuum interrupter
31.
Fixed contact piece
31.1 Connection surface
32.
Insulator
33.
Arcing chamber
34.
Metal bellows
35.
Guide
36.
Moving contact piece
36.1 Drive and terminal
bolt
40.
Lower interrupter
support
48.
Insulating operate
rod
48.6 Angled lever
49.
Contact pressure
spring
50.
Hand crank
50.1 Opening for fitting
hand crank
50.2 (Charging) gearing
50.4 Motor M1
50.4.1Position switch
50.5 Hand crank coupling
50.6 Adapter for hand
crank
51.
Rating plate
51.1 Opening for rating
plate
"Close"pushbutton
53.
53.1 Closing solenoid Y9
"Open"pushbutton
54.
54.1 Shunt release Y1
54.2 Shunt release Y2
54.3 Current transformer-
operated release Y4
54.4 Undervoltage release
Y7
"Closing spring
55.
charged" indicator
55.1. Opening for indicator
"Closing spring
charged"
58.
Operating cycle
counter
Operating Instruction Siemens 3AH3 / 西门子 3AH3 真空断路器使用手册
触头磨损标记指示
上绝缘子
下绝缘子
相极柱装配
上极帽
上接线排
绝缘支撑杆
衬垫
下接线排
软连接导电带
导电夹
真空泡
静触头
接触面
绝缘外壳
灭弧室
金属波纹管
导向管
动触头
动触杆
下极帽
绝缘拉杆
拐臂
触头压力弹簧
手柄
手柄储能操作孔
减速箱
电动机 M1
位置开关
手柄耦合杆
手柄适配头
铭牌
铭牌面板开孔
合闸按钮
合闸线圈 Y9
分闸按钮
一级分励脱扣器 Y1
二级分励脱扣器 Y1
电流互感器驱动型脱扣
器 Y4
欠电压脱扣器 Y7
"合闸弹簧储能"
指示器
"合闸弹簧储能"
指示器面板开孔
操作计数器
58.1
Opening for
operating-cycle
counter
59.
ON-OFF indicator
59.1
Opening for
"closed/open"
indicator
60.
Mechanism housing
60.1
Cover
60.2
Transport hole
60.3
Crane hook symbol
61.
Dashpot
62.
Closing spring
63.
Breaker shaft
64.
Opening spring
66.
Closing damper
68.
Auxiliary switch S1
(6NO+6NC)
68.0.1.Extended auxiliary
switch S1
(12NO+12NC)
68.1
Operating rod (for
auxiliary switch S1)
68.7.1 Low voltage plug
connector X0 (64-
pole)
69.
Contactor
70.
Earthing bolt M12
90.
Mechanical
interlocking
操作计数器面板开孔
合分闸指示器
合分闸指示器面板开孔
操动机构箱
机构箱面板
运输起吊孔
起吊标志
分闸缓冲器
合闸弹簧
主轴
分闸弹簧
合闸缓冲
辅助开关 S1
(6 常开+6 常闭)
延长型辅助开关 S1
(12 常开+12 常闭)
操动杆 (针对辅助开关
S1)
64 针低压接插件 X0
防跳接触器
接地螺栓
机械联锁
上海锐杰电器有限公司提供

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