Power Transfer Switch
Power transfer switch Suitable for AC 50HZ, rated voltage 400V/690V, rated current 3200A. 3 poles & 4 poles, It is widely used in power generation system.
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The products conform to GB/T14048.1-2006, GB/T14048. 11-2002 Superscript, High-Rise Buildings Fire Norms, Architectural Design Fire Norms, Emergency Lighting Design Guide and Civil Electrical Design Specifications.
Small in size for easy installation.
You decide what function you want – self-input and self-restoring , self-input without self-restoring, automatic or manual.
Running parameters can be adjusted.
Rated voltage is 400V.
Rated current is from 10A to 3200A
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 
Low price dual-power automatic transfer switch with high-breaking mini circuit breaker, selectable 3-pole or 4-pole, is available for rated operating current 6A, 10A, 16A, 20A, 25A, 32A, 40A, 63A,250A,400A,630A, ATS has three positions switching of normal power ON, dual OFF, standby power ON. Simple structure, easy operation and long service life.
Features
With the function of normal power ON, dual OFF, standby power ON
Simple structure, practical, easy operation, no noise, small impact, and long service life
Wide applications, suitable for the illuminating circuits of commercial buildings, shopping mall, banks, and high-rise buildings where the fire protection are needed.
ATS Structure & Working Principle
Structure
The automatic transfer switch consists of two miniature circuit breakers, motor, controller, and driving mechanism. The miniature circuit breaker with high-breaking capacity is used, and ATS has the same performances as MCB.Working Principle
The controller of ATS will detect two loops of power supply. When one loop has fault, the ATS controller will give a logic decision and send a command of closing and opening the related miniature circuit, to ensure the safe and reliable power supply.The automatic transfer switch (ATS) is a switch to transfer between two power sources. It is constituted by one or several change-over switching equipment and other necessary apparatuses. It is used to detect the power circuit. In addition, it changes over one or several load circuits from one power supply to the other power supply.
