... CSA certification 2, Widely used in computer termias, vending machine 3, can be divided into B/C/D grade ... UL, CSA certification2, Widely used in computer termias, vending machine3, can be divided into B/C/D ... B130260C200400D300600Application1, Computer terminals2, Systems control, measurement instruments3, Copying machine, Printer, Vending Machine, etc4, Consuming appliances, fan, water heater etc5, ...