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AC Inverters from Critical Power Supplies can be used in a wide range of standby power installations including telecoms and process control. Our inverter range includes: 12/24/48/110Vdc inverters with a 230Vac 50Hz galvanically isolated sinvewave output. The inverters are designed for 19" rackmount installation.

Critical Power Supplies only works with the ‘best in class’ manufacturers who meet our supply chain standards for quality, health and safety, and environmental ECO management.

For advice, a site survey or quotation – complete our Enquiry Form, call 0800 978 8988 or send us an email.


  • Galvanic isolation: with a built-in transformer
  • Wide input voltage range: to maximise available DC power sources
  • Full communications: with visual, audible and remote status and diagnostic information
  • Built-in protection: for over and under voltage, reverse polarity, overloads, short-circuits and over-temperature
  • Automatic restart: after alarm condition clearance
  • Options: manual bypass, bespoke specifications