System Power Supply 8V/5A/40W The 6611C System DC Power Supply is an ideal power source for demanding production test applications. This dc power supply offers high performance and precision measurements in a one-box solution. To reduce test-system development time and provide precision testing, the 6611C provides current measurement down to the microamp level. The 6611C also provides high-speed programming with under 4 millisecond response time. This 40 watt unit is rated 0 to 8 V @ 5 A.