Use the two independent outputs on this power supply simultaneously. Both 12 VAC and 0–12 VDC regulated outputs are continuously variable via the control knob on the right side of the front panel. Includes overload protection indicator, glass fuses at the input level, and one spare fuse at the mains input socket. CSA approved.AC/DC Ranges/Current: 0–12 VDC/ 5A12 VAC/ 5A. Load: 0–100% at 100mV variations; Line regulation 105–130 VAC at 200mV variations. Protection: Unit is properly earthed and tested for high voltage insulation test, burn test, and leakage test. Ripple and noise: 50mVp-p. Power requirements: 120 VAC or 220 VAC; 50/60Hz. Dimensions: 22 x 17 x 12cm