The automatic transfer switch change over between two powers.One is noraml power and another one is reserve power.When the normal power is abnormal it will automatically change over to the reserve power.
When the normal power restored ,it will change over the load back to the normal power
and cut off the reserve power.
Different ATS has different function :
Category one :They only have basic change over power function.
Category two :They do not only have the change over function ,but also have overvoltage,
undervoltage,lose phases protection,fire protection function and so on
Category three:Some ATS have controller.
HYCQ5M Series double power automatic transfer switch is used in AC 50HZ,rated voltage below 690V Two power supply system.It can make a automatic transfer between the common power and backup power but without manual operation.This switch accords with the following terms of national GB/T14048. 11 <<automatic transfer switch>>standards:
Operating mechanism have reliable electrical and mechanical interlocking, in order to prevent concurrent access to the common power and backup power.
HYCQ5M,when the voltage of detected A phase and all the phases of the common power interrupt in a scheduled time, will switch to connect the load from common power to backup power, and when the common power goes back to normal,it will automatically connect the load to the common power(with phase failure protection function)
2. Technical data:
3. Defects liability period:
On the premise of that users comply with the prescriptive maintenance and usage, such products would have a defects liability period of 16 monthes.
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