GW Instek GW Instek Multi-Output DC Power Supply, GPS-3303, 3 Channel, 3A, 30VDC (Inc. VAT) AED2,150.00 . The GPS-3303 Power Supply from GW Instek is a GPS-x303 series, 195W, 3-channel linear DC power supply. Overload, reverse polarity protection and an output on/off switch keep the power supply and its... (Inc. VAT) AED2,150.00 . Quick view Qty in Cart: 0 Price: (Inc. VAT) AED2,150.00 . Subtotal: