Synchronous switchboad

Synchronous switchboard

Standard IEC 61439 - 1,2
Rated input voltage (VAC) 380/400 VAC
Rated output voltage (VAC) 220 VAC, 380 VAC
Rated current (A) 25÷6300A
Cutting current (kA) 25÷100kA
Frequency (Hz) 50/60Hz
Ingress protection IP54 (Outdoor)
IP42 (Indoor)
Form  1, 2a, 2b, 3a, 3b, 4a, 4b
Number of layers 2
Finished surface Powder coating
Materrial Sheet metal 1.2÷2.0mm 
Product information

Some factories need to supply power for the continuous operation of machines, which can meet the production needs, so the power for using is very large and the power used needs to be constantly stable. Interruptions will be a lot of trouble, but not always the power supply is sufficient, or some technical errors of the power plant will cause blackouts. To meet the needs of some large factories, important places always need stable power. Nam Hoa provides a synchronized solution. This solution allows the two grid voltage to be mixed together, or many different generators to meet the region's power needs.


When synchronous switchboards are put into use, it will be very beneficial for power generation:

  • The main function is that 2 or more generators are used in case of mains power failure, backup generators will automatically start and synchronize, and share the load with each other. In addition, synchronous switchboard also have the function of monitoring the load and determining the number of generators running according to the needs of the load.
  • Operate in all 3 modes: manual, automatic and stop smoothly during operation and inspection
  • Display operation status and breakdown by LCD, LED screen
  • It is possible to mix generating sets using different types of motors and using different generators. Extremely fast synchronization speed.



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