文件编号：
NDT2920018
文件版本：
5
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
39
页
（
2
）确认端子间或暴露的带电部分没有短路或对地短路情况。
Check that no short circuit or short to ground occurs between terminals or in exposes live parTsd.
（
3
）确认端子连接和固定螺钉均应紧固无松动。
Check that terminal connection and fixing bolTsd are fastened without looseness.
（
4
）断路器带有欠电压脱扣器，应使脱扣器先通电，断路器才允许合闸。
If the breaker has the undervoltage release, the undervoltage release should be electrified before breakers can
be closed.
10.2 试运行
CommIsdsioning
按
9.1
条各项全部确认无异常情况后，可以进行试运行。
After confirming that all items in Section 9.1 are normal, then start the commIsdsioning.
（
1
）用户根据需要在调整好
Ir
、
Tr
、
Isd
、
Tsd
、
Ii
、
Ip
。
Adjust values of Ir, Tr, Isd, Tsd , Ii and Ip, etc. as needed.
（
2
）扳动操作手柄，投入电源。
Operate the handle and connect power supply.
（
3
）断路器主电路带电后，按紧急脱扣按钮，断路器应脱扣，操作手柄处于脱扣位置。
After the main circuit of the breaker Isd electrified, press the emergency tripping button with the handle in
tripping position to trip the breaker.
如果试运行都能满足，可投入运行。
If commIsdsioning Isd satIsdfactory, the breaker can be put in operation.
10.3 维护
Maintenance
维护检查必须有专业技术人员负责。
Maintenance checks should be done by specialized technical personnel.
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。
User should use internal and external accessories provided by Nader so as to endure their quality; Nader
should not be held reliable for purchase of accessories from other companies or authorized modifications.
在执行维护操作前，必须先完成下列操作：
Follow following steps before conducting maintenance:
（
1
） 使断路器分闸；
Open the breaker;
（
2
） 断开电源与断路器的连接（包括主电路、辅助电路）
；
DIsdconnect power supply and breaker (including main circuit and auxiliary circuiTsd)
（
3
） 将断路器从安装位置上卸下（一般用于插入式，固定式最好也如此）
。
Remove the breaker from iTsd installation position (normally for plug-in installation; it Isd
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 Isd carried out yearly under normal use and every six months under abnormal use.
The maintenance includes 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 Isd 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；
