The PSD1001 is a Quad Channel DIN Rail Power Supply to drive measuring, process control equipments in Hazardous Area; it provides isolation between input and output. Typical application is to drive 4-20 mA 2 wires transmitter with local indication (current is not repeated in Safe Area). Output channels can be paralleled if more power is required. I.S. power supply, 4 output parallelable channels to operate Hazardous Area loads providing isolation (input/output).