文件编号
Document No
.
NDT2920186
版次
Version
第
4
版
Version 4
实施日期
Implementation Date
20190506
第
9
页
共
16
页
Page 9/16
● 整定电流刻度盘旋钮
“1”
，可进行调节。
The dial knob
“1” of the setting current can be adjusted.
仅允许在箭头所示角度范围内旋转整定电流旋钮，否则会造成旋钮损坏。
Only rotate the setting current knob in the angle range indicated by the arrow; otherwise the knob will
be damaged.
● 红色停止按钮
“2”
Red stop button
“2”
1）主回路及外接电源通电情况下，按下按钮，
NC
触头立马断开，
NO
触头接通，松开按钮，
NC
触头恢
复到原来的状态（停止用）
。
In case the main circuit and the external power supply are connected, press the button to immediately
disconnect the NC contact; in case the NO contact is connected, NC contact reverts to its original state
(disabled) by releasing the button
（
for stop
）
.
2）仅外接电源通电情况下，按下按钮约 6-7s，
NC
触头断开，
NO
触头接通.(测试用)。
In case only the external power supply is connected, press the button for about 6-7s to disconnect the
NC contact and connect the NO contact (for test).
● 绿色指示
LED
灯
“3”
，在正常使用中可指示继电器正常工作、 过载、缺相、相不平衡、锁定、脱扣状
态（具体见表 4）
。
Green indication LED light
“3”, which can indicate the relay's normal operation
、
overload tripping
