Structural characteristics

WDQ1B intelligent dual power automatic conversion system (hereinafter referred to as intelligent system) is composed of device body and intelligent automatic controller.
1. The device body is composed of two sets of circuit breakers with motor operated machinery (see technical parameter clauses for model and specification) and accessories (auxiliary alarm contacts, etc.), mechanical interlocking, electrical interlocking, fuses, terminals, etc. All parts are installed on a metal plate.
2. The intelligent automatic controller is composed of many modules such as the output of a new chip microcomputer. The two are connected through special terminals and special shielded cables with a length of no more than 2m to form an intelligent control system. The control power supply and power supply voltage of the intelligent system are AC220V, 50Hz.
This intelligent system has mechanical and electrical double interlocking functions, providing a safe and reliable guarantee for your power supply.
The intelligent system can complete the automatic conversion of three-phase three wire, three-phase four wire dual power supply.

Intelligent controller function

WDQ1B intelligent dual power automatic transfer switch. The control is input by keyboard position and (LCD) LCD display, and can be synchronously detected by power supply N and standby power supply (R) three-phase four wire: it has the detection function for phase failure, voltage loss and power failure, and it is judged as voltage loss if it is lower than 80% of the rated working voltage, and the standby power supply R) fault alarm, the microcomputer will process the detection results, and then the corresponding command will occur. The processing results can be displayed on the LCD) to provide the user with a good human-computer interface. The computer detects abnormal data and enters the double opening state after a delay. After a delay (0-30S), it is switched to the normal power supply for power supply.

Boundary and installation dimensions (mm)