VESDA-E STX Power Supply Unit XtralisAvailable in 0.5 or 2.0 amp sizes.Choice of matt block or silver finish.Designed to blend in with VESDA-E detectors.Knockouts designed to line up with VESDA-E detectors. Colour Matt Black, Silver Colour Choose an optionMatt BlackSilver Output Choose an option0.5A2A Quantity Add to basket Clear options