Lucent Technologies Lineage
®
2000 25A Ferroresonant Rectifier J85502A-1
2 - 10 Product Description
Issue 4 May 1998
Table 2-B: Physical and Thermal Specifications
of the J85502A-1 Rectifier
Output DC ±24V
Output DC ±48V
Dimensions
(inches)
23.25 wide x 7 tall x deep
Weight (pounds)
85
108
Heat dissipation*
BTU/hr at full load
420
810
Humidity rating
10% to 95% (non-condensing)
Operating altitude
Sea level to 10,000 feet (3048 meters)
Operating
temperature
35° to 122°F
1.5° to 48.8°C
Audible noise at 5
feet above floor
and 2 feet in front
of rectifier
Less than 65 dBA
Earthquake rating
Meets Zone 4 per Bellcore
TR-EOP-000063 (Issue 3)
*Measured at 28 Vdc (24 volt rectifiers) and 54 Vdc (48 volt
rectifiers).
Table 2-C: Input Specifications for the J85502A-1 Rectifier
Input AC (Volts)
Nominal Line Current
(Amps)
Frequency
(Hz)
Nominal
Range
±24V
±48V
208
184-220
4.2
8
60±3
240
212-254
4.0
7
Data recorded at full load, 28 Vdc for 24 volt rectifiers and 54
Vdc for 48 volt rectifiers.
Table 2-D: Output Specifications for the J85502A-1 Rectifier
Nominal
Rectifier
(amps/volts)
Output
Range
(amperes)
Output
Range (dc
volts)
Minimum
Efficiency*
at Full
Load
(percent)
Minimum
Power
Factor at
Full Load
AC ripple **
(mV peak to
peak)
Standard
Filter
Maximum
Noise at
Battery**
(dBrnc)
Standard
Filter
25/24
0 - 25
21.5 - 28.0
85
.90
100
32
25/48
0 - 25
43.0 - 56.0
85
.98
100
32
*Efficiency measured at nominal line, 28 Vdc or 54 Vdc.
**Measured on 100 amp/hr battery (4 times rectifier capacity) with a 2-volt lead drop for
standard and 0.5-volt drop for optional filter.