Closing - Siemens 3AH3 Operating Instructions Manual

Function schematic diagram
功能示意图
Electrical
manual
Motor drive

closing

马达驱动
手动电气
合闸
Fig.3/5 V circuit-breaker 3AH3 with electrical manual closing with
64-way plug connector
Example for extended fitting with Y4 and varistor circuit for DC
图.3/5 带电气手动合闸以及 64 针低压插座的 3AH3 真空断路器
图例中带电流互感器型脱扣器 Y4 和直流电路过电压吸收装置
With this model, the auxiliary switch terminals are wired to the plug connector as illustrated
在这种模式下，辅助开关的终端通常连接至二次接插件如下图所示
Auxiliary switch standard
标准型辅助开关
D7 B3 B8 C5 D8 D9
Wiring not applicable if
nd
B Y2 (2 shunt release) fitted
E Y7 (undervoltage release) fitted
Operating Instruction Siemens 3AH3 / 西门子 3AH3 真空断路器使用手册
Release "off"
脱扣器""脱离"
-Y5
-Y6
-Y7
1
Closing and anti-
release
pumping device
一级分
合闸及防跳装置
励脱扣
Auxiliary switch extended
延长型辅助开关
B9 C9
接线不适用如果
B 配 2 级分励脱扣器 Y2
E 配欠电压脱扣器 Y7
st
1 CT operated
st
shunt
release
一级电流互感器
驱动型脱扣器
HA
HE
K1
M1
P
R1
S1
S21, S22
S3
S41, S42
S6, S7
X0
Y1
Y2
Y4, Y5, Y6 CT operated release/电流互感器驱动型脱扣器
Y7
Y9
Extended auxiliary switch
辅助开关延长部分
Switch
spring charged signal
Closing
tripping signal
合闸弹簧储能信号
脱扣信号
⇑
⇑
Manual tripping/手动脱扣
Manual closing/手动合闸
Anti-pumping contactor
防跳接触器
Motor operating mechanism/马达储能机构
Energy store/能量储存
Resistor/电阻
Auxiliary switch/辅助开关
Position switches (cut-out motor after charging)
位置开关 (储能后切断马达回路)
Position switches
(open when closing spring charged )
位置开关 (合闸弹簧储能后断开)
Position switches (signals charged state)
位置开关 (合闸弹簧储能信号)
Position switches (for switch tripped signal)
位置开关 (脱扣信号)
Low-voltage plug connector
二次插座
st
1 shunt release/一级分励脱扣器
nd
2 shunt release/二级分励脱扣器
Undervoltage release/欠电压脱扣器
/合闸线圈
Closing solenoid
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