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产品主要参数：
额定电压：380V-50/60Hz
工作环境：温度-25℃— -+55℃ 湿度45≤90%RH
绝缘电阻：产品的带电件与外漏非带电之间的绝缘电阻应该≥100MΩ
介质强度：R,S,T端子与A,B,C间经AC1500V 漏电流5mA,历时1min无击穿和闪烁现象。
寿命：大于10000次
缺相保护功能：有
使用电压范围：460V - 340V
额定负荷：AC380V5A/AC240V8A
Mian parameters of products:
Rated Voltage: 380V-50/60Hz
Working Environment: temperature: -25℃— -+55℃; humidity: 45≤90%RH
Insulating resistance: the insulating resistance between living part and exposed uncharged part should be≥100MΩ
Dielectric Strength:applied AC1500V between R.S.T terminals and A.B.C with leaking current of 5mA for 1 minute,it should has no breakdown and flash.
Service life: more than 10000 times
Phase-lacking protective function: available
Ranger of Applied voltage:460V - 340V
Rated load: AC380V5A/AC240V8A
产品主要用途：
主要适用于中央空调，5匹以上柜机空调,电梯，大型机电产品等。
Main use of product:
It is mainly suitable for central air conditioner, air conditioner over 5HP,electric elevator and large-scale mechanical and electric products.
产品特性：
该产品主要是当电网中相序发生错乱或缺相时对电器的某些控制线圈进行切断电流，从而达到保护目的。
Characteristics of product:
This product can switch off some control coil of the electric appliances in case the phase order is in confuse in the network thus to reach the protection purpose.
保护特点：
动态缺相、静态缺相保护：指被保护设备在运行状态或非运行状态时，任意一相发生断相故障。指示灯形式为：黄灯灭
错相保护：防止T、S、R三相交流电源相序接错的一种保护措施。即使动作。指示灯形式为：黄灯灭。
Characteristics of protection
Dynamic phase-lacking protection and static phase-lacking protection, which starts to work if one phase opens when the protected equipment is in operating course or un-operating state. The yellow indicator lamp goes out.
Error-phase protection: It is a protection method preventing T, S and R three-phase power supply connecting incorrectly. It can work instantly and the yellow indicator lamp goes out.
性能特点：
监视器的保护功能能够全性能、全气候长期工作。功耗不大于25W；
本产品通过CE认证。
Performance characteristics
The monitor can exert its protection function wholly and in any climate for a long time. The power ≤25W;
This product has CE Certification.
工作特点：
T、S、R三相接线正确，监视器黄灯亮，继电器吸合；如果相序接错，监视器黄灯灭。
T、S、R三相或任何一相丢失，监视器黄灯灭。
Work characteristics
If three phases T, S and R are in a correct connection, the yellow indicator lamp is on and the relay picks up; If the phase sequence is connected incorrectly, the yellow indicator lamp goes out
If three phases T, S and R, or any phase opens, the yellow indicator lamp goes out.
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