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August 19, 2016
HE1U-1248-BBLVD
High Efficiency 1U AC to DC Power Supply
Owners Guide
(These instructions are intended for use by a technician familiar with electronic products)
Integrated Low Voltage Disconnect
Autorange Input Voltage 90 to 264 VAC
Remote control ON/OFF
DC-OK TTL signal
Short Circuit / Overload / Over Voltage / Over
Temperature Protection
Manual Battery Disconnect Switch
3 year warranty
DESCRIPTION
The HE1U-1248-BBLVD is a Heavy Duty AC to DC 750 Watt Power Supply with a low voltage disconnect in a 1U chassis. The
HE1U-1248-BBLVD comes with power factor correction, and four layers of protection against overload, over voltage, over temperature,
and short circuit. This model also comes with a manual battery disconnect switch, internal power supply ON/OFF remote control, and
DC-OK. The HE1U-1248-BBLVD comes with a 3 year warranty.
SPECIFICATIONS
Output Voltage ....................................................................................................................................................................... 55.6 VDC
Output Voltage Tolerance .......................................................................................................................................................... +/- 1 %
Output Amperage ........................................................................................................................................................... 13 Amps max.
Maximum Power, continuous ................................................................................................................................................ 750 Watts
Maximum Ripple and Noise ........................................................................................................................................ 150 mV p-p max
Input Voltage, Autoranging ............................................................................................................................................. 90 to 264 VAC
Input Frequency Range ........................................................................................................................................................... 47-63 Hz
Maximum AC Current ............................................................................................................. 8.2 Amps/115 VAC; 3.9 Amps/230 VAC
Typical Efficiency........................................................................................................................................................................... 92 %
Max Inrush Current, single cycle ........................................................................................... 25 Amps / 115 VAC, 40 Amps / 230VAC
Short Circuit Protection ................................................................................................................................. Constant Current Limiting
Overload Protection (operates) ................................................................................................................................. typical 105-125 %
Line Regulation ....................................................................................................................................................................... +/- 0.5 %
Load Regulation ...................................................................................................................................................................... +/- 0.5 %
Over Temperature ........................................................................................................................ >195 F (90 C) auto output shutdown
Rise Time following ON ............................................................................................................................................................... 50 mS
Hold Time following OFF ............................................................................................................................................................. 16 mS
Working Temperature Range ............................................................................................................. -22 F to +158 F (-30 C to +70 C)
Storage Temperature ......................................................................................................................... -40 F to +185 F (-40 C to +85 C)
Withstand Voltage .................. 3 KVAC @ 10 ma (I/P-O/P)/1 min, 2 KVAC @ 10 ma (I/P-FG)/1 min, 500 V @ 10 ma (O/P-FG)/1 min
Dimensions ...................................................................................................................................................... 1.75
” H x 19” W x 14” D
Weight ......................................................................................................................................................................................... 8.4 lbs
