R48-500
DC Power
for Business-Critical Continuity™
Technical Specifications, R48-500
DC Output
Output Voltage, Adjustment Range
Output Power
Output Power, Derated for Input Voltage
Output Current
Efficiency
Psophometric Noise (System)
Temperature Derating
Control and Monitoring
Rectifier Alarm and Signaling
Visual Indications
R 48-500 Output power vs. Temperature at
176 Vac and 90Vac
% of output power
100 to 250 V AC
85 to 300 V AC
45 to 65 Hz
6.8 A
0.99
≤5% for 50%-100% load
Rectifier R48-500 176Vac
Rectifier R48-500 90Vac
120
100
80
60
40
20
0
-40 -20
0
For R48-500
-42 to -58 V DC
500W@Vout >48VDC
See Diagram
10.5 A @ -48 VDC
91%
≤1mV ; <32 dBrnc
See Diagram
Alarm and status reported via CAN bus to system controller
Green LED: Normal Operation
Yellow LED: Alarm
Red LED: Failure
Flashing Red LED: Fan Failure
Environmental
Temperature Range, Operating
-40 to +75°C, -40 to +167°F
Temperature Range, Storage
-40 to +75°C, -40 to +167°F
Relative Humidity
Altitude
EMC
Safety
0 to 95%
2000 m, 6560 ft at full power
ETSI EN 300 386 class B, FCC CFR 47 Part 15 class B, Telcordia GR-1089-CORE class B
IEC 60950, EN 60950, UL 60950
Mechanics
Dimensions (H×W×D)
Weight
40.8×86.5×241mm (1.6×3.4×9.5 inches)
1.25 kg (2.76 lbs)
Other parts
Controller Units
See separate ACU+ and SCU+ datasheets
Ordering information
Product Name
Rectifier R48-500
Emerson Network Power.
The global leader in enabling
Business-Critical Continuity™
www.emersonnetworkpower.com
www.emersonnetworkpower.com/energysystems
www.DCpowerefficiency.com
20
40
60
80
100
Temperature (°C)
R 48-500 Output power vs. Input voltage at
65°C and 45°C
% of output power
AC Input
Input Voltage, Nominal
Input Voltage, Permitted Variation
Line Frequency
Max Input Current
Power Factor
THD (Total Harmonic Distortion)
Rectifier R48-500 65°C
Rectifier R48-500 45°C
120
100
80
60
40
20
0
50
100
150
For R48-500
200
250
300
350
Input voltage (VAC)
AC Power
Embedded Power
Precision Cooling
Connectivity
Monitoring
Racks & Integrated Cabinets
DC Power
Outside Plant
Services
Embedded Computing
Power Switching & Controls
Surge Protection
Business-Critical Continuity, Emerson Network Power
and the Emerson Network Power logo are trademarks
and service marks of Emerson Electric Co.
©2009 Emerson Electric Co.
Emerson Network Power reserves the right to alter without notice the specification, design or conditions of supply of any product or service.
2009.12