Automatic transfer switch controller for an ATS with two incomers, one load and incomer status indication

NPP "VEL" announces a new variant

in the popular family of microprocessor devices known as the automatic transfer switch controller,

The БУАВР.КИ was created in response to your requests and is a variant of the unit

, to which output contacts have been added for indicating incomer status on the front panel of the ATS cabinet. This is very convenient, as it allows an ATS to be built with a minimum of external components.

For the БУАВР.КИ operating manual, with detailed descriptions and example schemes using contactors and motor-operated circuit breakers, see