Three phase primary switched mode power supply from blocks basic pvsb 400 series with high power reserves for all automation requirements and a variety of parameter setting and display functions including output current and output voltage monitoringstandardsprimary switched mode power supply to ul 60950 ul 508safety en 61558217 en 60950 selv en 60204 pelvemc en 612043approvalsulcsa 60950 recognised e213214 ul508 listed e219022