文件编号：
NDT2920003
文件版本：
6
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
23
页
共
25
页
(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)；
(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)；
(3)清洁隔弧板，如必要则需要更换隔弧板；
(4)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；
(5)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 8 附件说明详细内容进行测试)
Maintenance and check should be finished by professional technicians.
To guarantee quality, the company provide internal and external accessories to customer according
to the subscribed type. The company is free from responsibility if the customer purchases or refits
internal and external accessories by himself.
The following operations should be finished before maintenance.
(1)Open the breaker.
(2)Disconnect power supply and the breaker (including main and auxiliary circuits);
(3)Uninstall the breaker from the installing position (suitable for insertion type, so as fixation type).
Maintenance on the breaker should be carried out once every year in normal operation condition or once
every half a year in an abnormal condition. The followings are included in maintenance.
(1) Fasten, close and break the breaker. Release the breaker by a release button when it is closed. The
breaker should be fastened, closed, broken and released reliably again after the above operations
are carried out for five times;
(2)Remove dust on the surface and connection part of the breaker (by clean and dry cloth);
(3)Clean flash barrier, and exchange it if necessary;
(4)Check all connections; wipe oxide off by abrasive cloth; clean by dissoluble lotion; tighten the bolt and
nut;
(5)If there are other accessories installed on the breaker, all accessories should be examined one by
one to make sure normal working condition.
(test in according to details in Accessory 8)
10.
注意事项/ Notices
10.1 安装注意事项
(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。
(2)NDM3ZB 断路器内部线路板上有储能元件带电，请勿自行拆开，以免触电。需要是请于厂家联系。电
源进线端两极禁止进行绝缘测试。
(3)与主电路连接
3.1.必须由具有专业资格的人员进行配线作业。
3.2.确认输入电源处在完全断开的情况下，才能进行配线作业。
3.3.必须安装本体后再进行配线。
3.4.断路器配线必须符合上进下出，即 1,3,5 端子接电源线，2,4,6 端子接负载线，不允许倒进线
