QS5.241 Q Switch Mode DIN Rail Panel Mount Power Supply 100 -240V ac Input Voltage 24V dc Output. The PULS Dimension Q series single-phase DIN rail switch-mode power supply has an adjustable output voltage rating ranging between 24VDC and 28VDC with 5A and 7.5A current. This cost-optimised power supply is specifically designed with uncompromised quality and reliability for high performance. It is equipped with single-phase input voltage ranging between 100VAC and 240VAC. This power supplies diagnostic is easy due to the dry DC-ok contact, a green DC-ok LED and red overload LED.