Automatic Transfer Switches

NPV switchboard is designed according to IEC 61439 standard. Depending on the technical characteristics of each project, then use the integrated automatic ATS unit or use the ACB used as ATS to switch power automatically, ensuring the continuity of power supply. electricity for the load.

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Automatic Transfer Switches is an electrical cabinet that is installed separately or in combination with a module in the MSB cabinet for the purpose of ensuring the continuity of the power source. ATS cabinets can be up to 6300A according to IEC61439 standard.
The cabinet is installed with measuring and protection devices for the main purpose of switching and protecting the entire load system. In the event of a power failure, the system will respond to switching to the backup source to ensure continuity during power supply to the load. Generator start/stop time and switching time are allowed to be customized by the operator. The electrical cabinet has a mechanical and electrical interlock system to ensure that the power source is selected independently, without the situation of closing two sources at the same time. The system is controlled by 2 modes Auto and Manual.
Depending on the technical design, the ATS cabinet can use the integrated ATS unit or use the ACB/MCCB/Contactor to make the ATS.
ATS electrical cabinets are often used in constructions: Industry, Factory, Commercial Center, Building, Apartment, … where often sudden power failure can occur.

Mechanical Specifications:

Form of cabinets: Form 1/2b/3b/4a/4b depending on MSB cabinets or standing individually
Degree of protection: IP 31/42/54
Material: Steel plate/SUS
Material thickness: 2.0mm
Paint color code: RAL7032/RAL7035
Coating thickness: Min 50 microns
Installation type: vertical type/wall mounted type for small rated current
Installation location: Indoor/Outdoor
Cable exposure: top and bottom
Dimensions of the cabinet: H x W x D depending on the schematic diagram of each project

Electrical Specifications:

Applicable standards: IEC 61439-1/2
Frequency: 50/60Hz
Number of poles: 3P and 1P
Rated insulation voltage (Ui): 1000V
Rated operating voltage (Ue): 400VAC
Rated current (In): up to 6300A
Operation mode: 2 mode operation Man/Auto
Integrated: protection of current, voltage, phase, remote control via communication port if needed
Display parameters: V, I, F, Cos phi, P, Q, S,…