文件编号：
NDT2920019
文件版本：
4
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
16
页
共
18
页
9.
使用和维护/ Application & Maintenance
1)
断路器各种特性及附件由制造厂整定，在使用过程中不可随意调节
onfigured by the manufacturer, all characteristics and accessaries of the breaker are not adjustable.
2)
断路器手柄可以处于三个位置，分别表示闭合、脱扣、断开三种状态，当手柄处于脱扣位置时，要使断
路器闭合就必须先向分闸方向扳动手柄使断路器再扣，然后合闸
Breaker handle can be put in three positions: closed, tripped and broken states. When the handle is in tripped
position, the breaker can be closed only by pulling the handle in opening direction to fasten the breaker and then
closing.
3)
维护检查必须有专业技术人员负责
Maintenance and check should be finished by professional technicians.
4)
用户如需选用内、外附件，按所订型号由本公司提供，以保证质量。如用户自行选购或改装，本公司不
能负责
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.
5
）产品外观
Product appearance
注意
: NDM3L
系列产品须在漏电脱扣后，需要按下漏电指示钮，产品才能再扣及合闸
Note
：
NDM3L series product can be fastened and closed by pressing leakage indication button in leakage tripping
condition
6
）当产品带剩余电流保护报警单元模块时，按剩余电流试验按钮，断路器只报警不脱扣，或报警又脱扣。
When the product is equipped with the aftercurrent protection alarm unit module, press the aftercurrent test button,
the breaker will give an alarm but not strip, or not only give an alarm but strip
