Protek Power (Hudson, MA) offers the PMP31 Series of medical desktop power supplies that provide 30 watts of power in a compact 1.96" × 4.64" × 1.26" package. The series is approved to UL60601-1, CSA22.2 No. 601.1, and EN60601-1 medical standards, and complies with EN55011/FCC/VCCI Class B radiated and conducted EMI standards. With standby power of <0.3W and efficiency at 83.5% minimum, the units are in compliance with CEC and Energy Star Efficiency Level IV requirements. The series also has a 90-264VAC input and offers six single output models ranging from 5 VDC up to 48 VDC. Withstand voltage is specified at 4000 VAC from input to output and leakage current is specified at 300 mA maximum at 264 VAC input. Operating temperature is 0 to 40 °C. No minimum load is required while still maintaining 5% tolerance throughout the full load range. Ripple and noise is specified at 1% peak-to-peak.