Input 115VAC 50/60Hz 2.7A. Output Sixteen (16) Class 2 Rated PTC protected power limited outputs (auto-resettable). 24VAC @ 12.5A (300VA) supply current (0.781A per device 2.5A max.) or 28VAC @ 10A (280VA) supply current (0.625A per device 2.5A max.). Outputs are rated @ 2.5A. Surge suppression. Temperature Operating: 0 C to 49 C (32 F to 120 F). Storage: - 20 C to 70 C ( - 4 F to 158 F). Relative Humidity 85% +/- 5%. BTU/Hr (approx.): 24VAC: 154 BTU/Hr. 28VAC: 143 BTU/Hr. System AC input VA requirement: 310.5VA. Features Secondary fuse rated @ 10A/250V. AC power LED. Power ON/OFF switch. Factory installed 3-wire line cord.