PB1 single-phase DIN rail-mountable power supplies are suitable for series installation in control panels and subpanels. With an operating temperature range of -40 to 70 °C, these compact power supplies can withstand extreme temperature environments and are rated for hazardous locations such as Class I, Div. 2. Adjustable output voltage compensates for voltage drops. In the event of a power failure, it provides a holdup time > 60 ms.