Complement - Siemens 3AH3 Operating Instructions Manual

Complement

The basic version of the vacuum circuit-breaker
comprises:
Electrical operating mechanism (charging motor)
With mechanical and electrical
anti-pumping feature
Closing solenoid
Shunt release
Low-voltage plug connector, 64-pole
with grommet sleeve housing
Auxiliary switch 6NO+6NC
Position switch for signaling
"Closing spring charged"
Breaker tripping signal, cut-out switch
Operating cycle counter
Each 3AH3 vacuum circuit-breaker can be equipped
with the following supplementary devices:
Terminal block
Extended auxiliary switch 12NO+12NC
Shunt release 3AX1101
Current transformer-operated release 3AX1102
Current transformer-operated release 3AX1104(0.1Ws)
Undervoltage release 3AX1103
Electrical manual closing
Mechanical interlock
In addition to the standard shunt release Y1, the 3AH3
vacuum circuit-breaker can be fitted with a maximum of
two release of type 3AX 11
The permissible combination of supplementary
equipment and special versions are stated in catalogue
HG 11.
Operating Instruction Siemens 3AH3 / 西门子 3AH3 真空断路器使用手册
完整单元
标准型断路器包含以下:
电动机构 (储能马达)
带有机械及电气防跳
(M1)
合闸线圈
(Y9)
1 级分励脱扣
(Y1)
64 针低压接插件
(X0)
(S1) 辅助开关 6 常开+6 常闭
(S41, S42)
"合闸弹簧储能"位置信号开关
(S6, S7)
脱扣信号及消除脱扣信号开关
操作计数器
3AH3 真空断路器还可加装以下附加设备:
二次接线端子排
(X0)
延长型辅助开关 12 常开+12 常闭
(S1)
2 级分励脱扣器 3AX1101
(Y2)
电流互感器驱动型脱扣器 3AX1102
(Y4, Y5)
电流互感器驱动型脱扣器 3AX1104(0.1Ws)
(Y6)
(Y7)
欠电压脱扣器 3AX1103
(S14, S15)
电气手动合闸
机械联锁
除了标准分励脱扣器 Y1 外, 每台 3AH3 断路器最多还可
加装两个附加脱扣器 3AX 11.
允许的附加设备组合和特殊型号可参阅样本 HG 11.
(M1)
(Y9)
(Y1)
(X0)
(S1)
(S41, S42)
(S6, S7)
(X0)
(S1)
(Y2)
(Y4, Y5)
(Y6)
(Y7)
(S14, S15)
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