Manual Changeover Switch
Manual changeover switch Suitable for AC 50HZ, rated voltage 400V/690V, rated current 1600A. 3 poles & 4 poles.
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Manual changeover switch Suitable for AC 50HZ, rated voltage 400V/690V, rated current 1600A. 3 poles & 4 poles.
HGLZ changeover switch can operate under the following conditionds:
*Altitude not more than 2000m;
*The range of ambient temperature is from 5℃ to 40℃;
*Relative humidity not more than 95%;
*The environment without any explosive medium;
*The environment without any rain or snow attacking.
Note:If the product is expected to be used in the environment where temperature is over +40℃ or below -5℃～-45℃
The Terminal Is Copper T3
3-poles or 4-poles
Avoid erroneous operations
Designed according to IEC/ EN 60974-3
Conventional Current 250A 630A 1600A 3150A Rated Current In (A) 200 250 315 400 500 630 1000 1250 1600 2000 2500 3150 Rated Insulation Voltage Ui (V) 1000 Dielectric Strength (V) 8000 10000 Rated Surge-Resistant Voltage Uimp KV Rated Working Current AC-21B 200 250 315 400 500 630 1000 1250 1600 2000 2500 3150 380V AC-22B 200 250 315 400 500 630 1000 1250 1600 2000 2500 3150 AC-23B 200 250 315 400 500 630 AC-21B 200 250 315 400 1000 1000 1600 2000 2500 2500 660V AC-22B 160 160 315 315 315 315 800 800 800 1000 1250 1600 AC-23B 100 125 Motor Power 380V 100 132 160 220 280 315 560 560 560 710 710 710 P (Kw) 660V 90 110 185 185 185 185 475 475 475 750 750 750 
Manual changeover switch are becoming more and more important in life.
With the rapid development of modern industries, many industries, such as airports, hospitals, fire protection and important military facilities, have very high requirements for the reliability of power supply. Once a power failure occurs, it will have serious consequences.
