文件编号:
NDT2920257
文件版本:
3
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
14
页
共
17
页
表
14 Table 14
附件名称
Accessory name
分励脱扣器
Shunt Trip
额定电压
Rated voltage
(
V
)
AC120
功耗
Power dissipation (W)
50(NDM3EU-225)/97(NDM3EU-400)
分励脱扣器的工作原理图
Working principle diagram of Shunt trip
7.2
辅助触头的额定参数(见表
15
)
Rated parameters of Auxiliary Contact
(
See table 15
)
辅助触头接线图
Wiring Schematic of Auxiliary Contact
表
15 Table 15
附件名称
Accessory name
辅助触头
Auxiliary Contact
电压规格
Voltage/
约定发热电流
Current
AC120V/5A
、
AC240V/3A
、
DC24V/300mA
、
DC48V/10mA
内阻
Internal Resistance
<
30m
Ω
8.
使用和维护
Operation and Maintenance
8.1
确认端子连接和固定螺钉均应紧固无松动;
8.1 make sure that lug and busbar connection screws are tightened without any loosing.
8.2
确认断路器的相间隔板是否安装完好;
8.2 make sure that the insulation partitions of circuit breaker are secured.
8.3
安装有辅助的断路器,当合、分断路器时,辅助触头信号必须正常转换;
Power Supply
Turned-on loop
Turned-off loop
Wiring Schematic of Shunt Release
Power input