文件编号：
NDT-03560
文件版本：
11
地址：上海市浦东新区申江南路
2000
号
邮编：
201315
电话：
(021)68586699
传真：
(021)23025796
第
31
页
共
33
页
Remove the breaker from its installation position (normally for plug-in installation; it is
recommended to do so for a fixing one).
断路器维护在正常操作条件下每年一次，在非正常条件下每半年一次，以下为维护内容：
Maintenance of breaker is carried out yearly under normal use and every six months under
abnormal use. The maintenance include following procedures:
（1）再扣断路器，合、分断路器，在断路器合闸时用脱扣按钮使断路器脱扣，往复操作 5 次，断路器应
能可靠进行再扣、合、分、脱扣动作；
Re-trip the breaker, close and open the breaker, use tripping button to trip the breaker when it is
closed; repeat for 5 times to check that the breaker can reliably re-trip, open, close and trip.
(2）清除断路器表面及连接处的灰尘（用清洁、干燥的抹布擦拭）；
Clean dust on breaker surface and connections (wipe with clean and dry cloth).
(3)清洁隔弧板，如必要则需要更换隔弧板；
Clean the flash barrier; replace it if necessary.
(4)绝缘测试（见 8.1）
carry out insulation test (see Section 8.1).
(5)检查所有连接情况，用砂布擦除氧化物，用可溶解剂清洁，拧紧螺栓和螺母；
Check condition of all connections. Wipe away oxidations with abrasive cloth and clean with soluble
agent. Screw bolts and nuts tight.
(6)如果断路器还装有其它内、外部附件，应逐一检查各个附件，以确保其处于正常工作状态。
（按照附件说明详细内容进行测试）
If other internal or external accessories are installed in the breaker, check them one by one to ensure
they are in normal working condition (carry out test according to detailed accessory descriptions).
10.
注意事项/ Notices
10.1
安装注意事项/ Precautions in installation
1）断路器本体、底板（板后接线用）、底座（插入式接线用）固定在安装板上。/ Breaker body, bottom
plate (for wiring behind the plate) and base (for plug-in wiring) are mounted on the installation board.
2) 与主电路连接。/ Connection with the main circuit.
必须由具有专业资格的人员进行配线作业。/ Wiring should be done by professional qualified
personnel.
确认输入电源处在完全断开的情况下，才能进行配线作业。/ Wiring should be done after confirmation
of complete disconnection of input power supply.
必须安装本体后再进行配线。/ Wiring should be done after installation of breaker body.
断路器配线必须按照接线图。/ Wiring should be in accordance with wiring diagrams.
10.2 运行注意事项/ Precautions in operation
