文件编号：
：
NDT-02226
文件版本：
0
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
7
页
共
12
页
相不平衡保
护
Phase
unbalance
protection
相不平衡率
≥60%
时
When the phase
unbalance rate over
60%
30
～
40s
冷态或热态
Cold state or warm
state
锁定功能
Locking
function
当一相或二相电流
I≥0.8In
，剩余相电流为
0
，连续三次故障后锁定自动复位功
能，需手动复位
When the one or two-phase current satisfies I≥0.8In with the other-phase current is
0 ,the automatic reset function locked after failure for consecutive three times, it is
necessary to perform the manual reset
当过载电流
I≥4In
、故障时间
≥ 8min
、连续三次故障后锁定自动复位功能，需手
动复位
When the overload current satisfies I≥4In and the fault time is ≥ 8min,the automatic
reset function locked after failure for consecutive three times, it is necessary to
perform the manual reset
表
4
指示灯状态与工况
Table 4 Indicator status and working condition
工况
Operating condition
指示灯状态
Indicator status
正常
Normal
绿灯常亮
Green light constantly on
过载、测试
Overload, test
绿灯均匀闪烁
Green light equal slow flashing
不平衡
Unbalance
缺相
Phase failure
过载脱扣
Overload tripped
红灯常亮
Red light constantly on
缺相脱扣
phase failure tripped
红灯快闪
Red light fast flashing
不平衡脱扣
Unbalance tripped
红灯慢闪
Red light low flashing
三次脱扣后锁定
Locked
红绿灯交替闪烁
Red light and green light alternately flashing
产品脱扣特性曲线
20±2
℃
Tripping characteristic curve of the product at 20±2
℃
10
级产品脱扣曲线
Tripping characteristic curve of the class 10
