文件编号
Doc.No.
NDT2920002
版次
Edition
第
5
版
Version5
实施日期
Implementation date
20181213
32
NDM3E-630
210
280
250
320
NDM3E-800
210
280
250
320
NDM3E-1250
210
/
250
/
NDM3E-1600
210
280
250
320
注：断路器排装或叠装时，检查联接母排或电缆保证空气绝缘距离不会减少
Note: Check the connected busbar or cable during rowing or stacking of
7.3 断路器叠装之间最小中心距离
7.3 Minimum center distance between stacked circuit breakers
规格
Specification
H(断路器上下距离)
H (distance of circuit breaker from bottom)
带 0 飞弧罩
With a 0 arcing
cover
不带 0 飞弧罩
Without a 0 arcing
cover
NDM3E-125
90
91
NDM3E-250
90
93
NDM3E-400
155
155
NDM3E-630
155
155
NDM3E-800/1250/1600
155
155
注：1、电缆绝缘联接
2、联接且无绝缘
3、产品通电前检查 0 飞弧罩或相间隔板装配到位。
Note:
1. Cable insulating connection
2. Connection without insulation
3. Check whether the 0 arcing cover or phase partition is assembled
properly before products are energized.
8、安装方式 Mounting Method
8.1 绝缘测试 Insulation test
本断路器出厂前已按标准规定绝缘测试。因断路器带有电子线路板，安装前如进行复测，必须按如
下步骤：
The breaker has gone through specified standard insulation test before factory delivery. Because
many PCBs are installed in the breaker, for re-testing, please conduct tests according to following
procedures:
（1）用 500VDC 兆欧表。
（2）在断路器处于断开状态，对进出连接板 1-2、3-4、5-6 之间，和 1、3、5 连接板（3 个连接板用
