Tronic Automatic Voltage Switcher 3 Phase
TSh 335,000
Our review
This is a three-phase voltage protection device from Tronic, built to disconnect equipment when voltage on any one of the three phases drifts too high or too low, or when a phase is lost altogether. It also offers the option of indicating or disconnecting on mains frequency error or phase sequence error. That makes it relevant to anyone running three-phase loads where a single bad phase can damage a motor, pump or compressor, such as workshops, mills and small industrial setups. Before buying, confirm your supply arrangement, the load you intend to protect and whether you need frequency and sequence monitoring active or just indicated. Compare it with single-phase voltage switchers, which cannot detect phase loss, and with combined surge and voltage protection units that cover different risks. If phase loss and sequence errors are your main worry, this class of device is the one to look at. Available on Sokonia.
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