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Charlotte Stonestreet
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Seamless switching for uninterrupted power
26 October 2022
SWITCHING BETWEEN a primary power source of power to a secondary source can provide a crucial preventative measure to avoid major disruptions to mission critical systems in the event of primary power failure. An automatic transfer switch (ATS) ensures the continuous and reliable supply of power no-matter what the power source is, by safely and rapidly switching between supply sources, highlights Amir Sami, business development manager at Charter Controls.
OEM ATS producer, Elmeasure has appointed Charter Controls as it's UK & Ireland agent. Elmeasure provides a range of auto changeover solutions (motorised and solenoid based ATS) from 63A-6300A with open/closed and delayed transition modes featuring a high-end micro-processor based ATS controller for programming/monitoring and controlling.
IoT enabled automatic transfer switches that offer easy programmability, and connection to any IoT platform for smart remote monitoring are optional. Features include an inbuilt removable key switch which enables the operator to switch between auto/manual modes, and optional RS485 Modbus protocol communications for cloud connectivity for monitoring and control derived from master/slave architecture (PLC, SCADA).
Elmeasure’s automatic transfer switches offer high capacity to withstand short circuit and fire alarm/external fault tripping. These transfer switches also offer real time system voltage and frequency while intelligently monitoring source health and output for both sources simultaneously. There is no requirement for a separate external power to power the ATS, and it can be set to switch single phase or three phase supplies. The inbuilt microprocessor controller with diesel generator start/stop option offers safe change over during failure of a primary source.
Transfer delays can be set from 3 seconds to 600 seconds using a remote display unit, which can also act as a front panel to enable user changing parameter settings without opening the control panel door.
These units also carry an AC 33B utilisation category and in accordance with IEC 60947-6-1.
Customer feedback has been very positive, highlighting a cost effective solution that offers time saving in installation and setup, a compact design and quiet operation.
