The scope of application of LQ3SD dual-power automatic switching switch:

LQ3SD dual power automatic switch, which is suitable for AC rated working voltage 380V, rated working current 10A-1600A, rated frequency 50Hz power supply system. Selective switching between two power sources can be carried out according to demand. The product has the protection functions of overload, undervoltage, short circuit and overcurrent. It also has the functions of automatic power generation start signal, fire fighting, double dividing and closing output indication. It meets the standard of GB Hall 14048.11-2008. It conforms to the Fire Protection Code for High-rise Civil Buildings and the Code for Constant Electricity Fire Protection for Architectural Design, and is especially suitable for power supply and electric field places where no power cut is allowed for fire protection, such as shopping malls, banks, hospitals, high-rise buildings, airports, military facilities, etc.

Product specifications and main technical parameters of dual-power automatic switching switch:

Installation Dimensions of Dual-Power Automatic Switching Switches:

Controller shape and installation dimensions:

 switch shape and installation dimension diagram:

Types and meanings of dual power automatic switch products:

The price of double power switch varies greatly according to the material, function, real-time material and labor cost of the products you need. Therefore, the real-time quotation of our customer service is the basis. If you want to know our quotation, please call us: 021-57161889.

Full-automatic connection mode of dual-power converter switch plus generator signal output 

Full automatic + manual (remote control) wiring diagram of dual power switch 

Three-wire and Four-wire Connection Diagram of Dual Power Supply Conversion Switch 

Electrical schematic diagram of double power automatic switch 

Wiring diagram of double power automatic switch