RM4830 Просмотр технического описания (PDF) - C and D TECHNOLOGIES
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RM4830 Datasheet PDF : 4 Pages
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Output Specifications
Parameter
Voltage Adjustment Range
Regulation
Load Current
Filtering
Voice band
Wide band noise
ENVIRONMENTAL
Temperature
Operating
Storage
Temperature Coefficient
Humidity
Altitude
Heat Dissipation
Audible Noise
Conditions
Min
float voltage
40
equalize voltage
40
0-100% load within
specified input voltage and frequency range
within a 10 - 100% rating
20 MHz bandwidth
<32
<250
<40
after half hour warm-up
non-condensing
@54V
2 ft. from any vertical surface
0
+32
-50
-58
0.01
0
0
0
<65
Typ
±0.5
± 10
Max
60
60
+50
122
85
185
95
7000
2133
980
Units
VDC
VDC
%
%
dBrnC
mV p-p
mVrms
°C
°F
°C
°F
V/°C
%
ft.
m
Btu/hr
dBa
PROTECTION, ALARM AND CONTROL SYSTEMS
Rectifier Failure Alarm (RFA)
Problems occurring because of an unacceptable relation-
ship between the output power and load conditions will
cause a Rectifier Failure Alarm (RFA). This alarm consists
of a red LED. Conditions which may lead to an RFA are:
Low Current - Output current has decreased to below
2% of its rated value.
Unit Shutdown - Any shutdown occurrence due to
overvoltage, external shutdown command, unacceptable
ambient temperature conditions or low AC input voltage.
Fan Malfunction - The fan has stopped operating or is
not providing the airflow needed to cool the unit.
Over Temperature - The ambient temperature has
exceeded 50°C.
High Voltage Shutdown (HVSD)
The unit’s built-in high voltage limit is permanently set at
60.5VDC. When internal shutdown occurs, the unit may
be restarted by a local switch or by a remote signal.
Surge Protection
The unit will withstand lightning and input surges of
6000V/3000A.
Under Voltage Protection
When input voltage is below 106 VAC (with tolerance),
the rectifier’s operation is automatically inhibited.
Output Circuit Protection Device (Fuse)
The unit has one internal output protection fuse which is
in series with the -48VDC output.
RM4830 6/98 REV A
Page 3
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