Manual Transfer Switch
Manual transfer switch Suitable for AC 50HZ, rated voltage 400V/690V, rated current 3200A. 3 poles & 4 poles.
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Manual transfer switch Suitable for AC 50HZ, rated voltage 400V/690V, rated current 3200A. 3 poles & 4 poles.
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 transfer switch is a development of knife switch. The difference is that the upper and lower planes move when the knife switch is operated, while the left and right rotating planes act when the knife switch is operated. It can be made into multi-contact and multi-gear switches.
With an advanced and compact design, GRL’s change-over and transfer switches can be installed in confined spaces
GRL’s change-over and transfer switches are tested according to IEC 60947-6-1 and IEC 60947-3 standards. In motorized switches, the motor operators have a wide voltage operation range
Service continuity is ensured with a number of built-in, integrated safety features. For instance, the change-over mechanism has stable positions shown reliably. Unwanted manual and remote operation can be prevented. Manual operation is always possible in emergency situations.
With GRL’s change-over switches, people and equipment are safe
Depending on the size, the switch can be mounted in different positions, on the panel door or DIN rail. Snap-on accessories and connections are available.
