MAST Auto Transfer Switch System

The MAST auto transfer switch system is mainly used in important load networks such as data centers, highways, medical facilities, banking systems, airports, telecommunications and semiconductors. In case of mains failure or power failure, the auto transfer switch system can be used to switch to standby power supplies such as Diesel generator power supply to ensure the normal operation of important loads. For the switching process, the lower level loads can be switched, cut off and unloaded step by step.In case of a mains failure, it can cut off the corresponding load outgoing breaker according to the diesel generator conditions in the preset order; after cutting off the load, it switches off all the mains power circuit breakers, and switches on the reserve power circuit breaker (diesel generator); after the reserve power circuit breaker (diesel generator) is switched, it delays the input of load outgoing breakers according to the preset sequence, to realize the load switching in steps.

Designed in both integrated and split-type structures to meet the needs of customers in different industries.

Switchable control unit for line protection.

Electrical interlocking, mechanical interlocking, program interlocking, achieving a comprehensive interlocking configuration

Provided with automatic and manual switching modes. The automatic mode can be set as automatic switching and automatic-recovery, automatic switching and non-automatic recovery, and mutual backup, and step-by-step load switching is supported.

The bypass product is optional. When the active equipment fails, the system can supply power to the load in bypass mode to avoid the single point fault of system.