Hot swappable module with LED indicator Standard 19 2U rack mount Zero transfer time DC Mode / AC Mode selectable High efficiency up to 97% at AC Mode Dual input source (AC & DC) Up to 32 modules can be connected in parallel (up to 51.2KW) Replacable fan module to make maintenance easy Input protection: Reverse Polarity / Under Voltage / Over Voltage Output protection: Short Circuit / Over Temperature Wide AC input range 75∼132VAC (110VAC) / 150∼265VAC (220VAC) CE / FCC approved Accessory