第
23
页
共
25
页
Page 2 of 24
文件编号
File
Number
NDT2920020
版次
Edition
Number
第 0 版
Version
0
实施日期
Implementa
tion Date
20141212
12
使用与维护
/Operation and Maintenance
12.1
确认端子连接和固定螺钉均应紧固无松动
/Make sure terminal connection and fixing screws are not loose
；
12.2
确认断路器的相间隔板是否安装完好
/Make sure separation panel of the breaker is installed well
；
12.3
安装有欠电压脱扣器断路器，合闸操作断路器前应使欠电压脱扣器接通至额定电压；断路器处于合闸状态，
使欠电压脱扣器失电，断路器应可靠脱扣，并且此时断路器不能合闸
/An undervoltage tripper is installed on the
breaker; the undervoltage tripper should be switched to rated voltage before the breaker is closed
；
when the undervoltage
tripper is not electrified, the breaker should release reliably and couldn’t be closed.
12.4
安装有辅助和报警触头的断路器，当合、分断路器时，辅助触头信号必须正常转换；按下紧急脱扣按钮，报
警触头信号必须正常转换
/Auxiliary and alarm contacts are installed on the breaker;when the breaker is closed or
opened, the auxiliary contact signal should be switched normally; when the emergency tripping button is pressed down,
the alarm contact signal should be switched normally
；
12.5
若断路器带有电动操作机构或手动操作机构时，用操作机构进行合、分
3
～
5
次确信操作可靠正常
/If the
breaker has motor-operated or manual mechanism, the operation mechanism is closed and opened for 3 to 5 times to
assure reliable and normal operation
；
12.6
断路器正常无需维护，但是建议每年按如下进行一次维护
/No maintenance needed for normal breaker, but a
maintenance is suggested every year
：
A
）合闸状态下按下紧急脱扣按钮，以确认断路器操作机构是否可靠
/Press emergency tripping button in closed state
to assure whether the operation mechanism of breaker is reliable
；
B)
清洁隔弧板，如有必要，则更换相间隔板
/Clean separation panel; change relative separation panel if necessary;
C)
检查所有的连接情况，用纱布擦除氧化物，用可溶解清洁剂清洁，拧紧螺栓和螺母
/Check all connections; wipe
oxides off by gauze; clean by soluble lotion; fasten screw bolt and nut.
。
13
常见故障及处理（见表
14
）
/Common Faults and Trouble Shootings (See Table 14)
表
14/Table 14
序号
/No.
常见故障
/Common
faults
可能原因
/Potential reasons
处理意见
/Suggestions
1
断路器不能合闸
/Breaker couldn’t be
手柄处于自由脱扣状态
/Handle
is in free tripping state
。
将手柄完全移动至
OFF
状
态使产 品再扣
/Completely
move handle to OFF state to
fasten product again
。
