文件编号
Doc.No.
NDT2920002
版次
Edition
第
5
版
Version5
实施日期
Implementation date
20181213
17
DC5V output power: 50mW.
3.2.2.4.2 通 讯 模 块 与 电 操 机 构 的 连 接 图 Connection figure of communication module and
motor-operated mechanism
电动操作机构接线端子 Terminal of electric operating mechanism
P1 P2 S1 S2 S4
接地 Grounding
A B 连接上位机端子 A, B are connected to
terminals of the upper computer
24V A B
通讯模块接线端子
D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 L1 L2 L3 L4 L5
Terminals of communication module
图 4：通讯模块与电操机构的连接图
Fig. 4: Connection figure of communication module and motor-operated mechanism
3.2.2.5 NDM3E 专用测试仪 Special tester for NDM3E
使用 NDM3E 专用测试仪器通过控制器上的“TEST”端口与断路器本体相连。可对控制器进行故障
测定、数据记录、脱扣试验等操作。
When connecting “TEST” terminal on the controller and breaker by using special tester for
NDM3E. The tester can be used for testing failures of the controller, recording data, and tripping tests
etc.
3.2.2.6 NDM3E 控制器过载报警不脱扣功能 Alarm without trip for overload of NDM3E controller
当 NDM3E 控制器上的 T
R
档位设置为“OFF”时，断路器具有过载报警不脱扣功能。即在线路过负
荷的情况下，断路器不跳闸仅输出过负荷信号。保障了供电的连续性，满足 GB 50054 中第 4.3.3 条“突
然断电比过负载造成的损失更大的线路，其过负载保护应作用于信号而不应作用于切断电路”的要求。
该功能可有效替代热继电器报警，节约成本。
When T
R
shift on the NDM3E is set as “OFF”, the breaker has the function of alarm without
tripping for overload, namely in the case of overload on the circuit, the breaker only outputs overload
signals with tripping, which can ensure continuity of powering supply, meeting requirements of
Section 4.3.3 in GB 50054: In the circuit where the sudden disconnect of power supply can bring
larger losses than overload, and the overload protection shall act on the signals other than
disconnecting the circuit. The function can effectively substitute thermo-relay alarm for saving costs.
3.2.3 NDM3E 系列断路器控制器面板明细表 List of the controller panel of the NDM3E series breakers
表 4：控制器面板明细表（基本型、G 型）
Table 4: List of the controller panels (Basic type and G type)
产品规格
Product
额定
电流
电流、时间参数
Parameters of current and time
