Dual - Source Power Transfer Unit
Dual power switch introduction and function
Dual Power Transfer Switch is a device that automatically switches between two power supplies to ensure power supply reliability and security. It is mainly composed of executive components (such as plastic-case circuit breaker or isolation switch), automatic controller (with single-chip microcomputer as the core) and control mechanism with electromechanical interlock. The dual power switch can automatically switch to the standby power supply when the common power supply fails (such as power failure, undervoltage, overvoltage, phase break, and frequency offset) to ensure the continuous power supply of the load.
Application scenario of dual power switches
Dual power switches are widely used in a variety of important places that do not allow power outage, such as high-rise buildings, residential areas, hospitals, airports, docks, fire, metallurgy, chemical, textile and so on.
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Rated Working Current |
10A |
16A |
20A |
25A |
32A |
40A |
50A |
63A |
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Rated Working Voltage |
AC220V/380V/415V |
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Controling Voltage |
220VAC |
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Rated Short Circuit Breaking Capacity |
3KA/4.5KA/6KA |
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Rated Insulation Voltage |
AC500V |
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Transfer Time |
≤1.2S |
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Frequency |
50/60Hz |
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ATS Level |
CB Class |
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Standard |
IEC60947-1 |
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FAQ
1. What are the requirements for the installation site of this product?
The ambient air temperature is -5 ° C -+40 ° C, the 24-hour average does not exceed +35 ° C, and the altitude of the installation site does not exceed 2000M
2. What is the applicable operating voltage?
The rated voltage is below 1000V
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