ASTEC DS650-3 (12V output Bulk Front-end) 650W Distributed Front-End Power Features: 1) Active Power Factor Correction 2) EN61000-3-2 Harmonic Compliance 3) Active AC Inrush limiting 4) High Density 5) No Min Load Required 6) Hot Plug Operation 7) N+1 Redundant 8) Internal OR-ing FET's 9) Active Current Share 10) I2C Interface 11) Smart Fan Speed Control Electrical Specifications: Input 1) Leakage Current: 1.4 mA @ 240 VAC 2) EMI/RFI: Class B 3) Effiency: 85% Typ 4) Input Range: 90 - 264 VAC 5) Frequency: 47 - 63 Hz Output 1) Main Output: Refer to Model Selection 2) Protection: OCP/OVP/OTP.