RD-50 series
50W Dual Output Switching Power Supply
300 Myles Standish Blvd., Taunton, MA 02780
Ph: 1-800-823-8082 Fax: 508-823-8181
WWW.ASTRODYNE.COM
SPECIFICATION
MODEL RD-50A RD-50B
DC�VOLTAGE
RATED�CURRENT
CURRENT�RANGE
RATED�POWER
OUTPUT VOLTAGE ADJ.�RANGE
LINE�REGULATION
LOAD�REGULATION
SETUP,�RISE�TIME
HOLD�TIME (Typ.)
VOLTAGE�RANGE
FREQUENCY RANGE
EFFICIENCY(Typ.)
AC�CURRENT (Typ.)
INPUT
INRUSH�CURRENT (Typ.)
LEAKAGE�CURRENT
SAFETY STANDARDS
HARMONIC�CURRENT
EMS�IMMUNITY
WORKING�TEMP.
WORKING�HUMIDITY
STORAGE�TEMP.,�HUMIDITY
TEMP.�COEFFICIENT
VIBRATION
MTBF
DIMENSIONOTHERS
NOTE
PACKING
OVER�LOAD
OVER�VOLTAGE
5V 12V
CH2
5V
CH1
24V
CH2
6A 2A 4A 1.4A
0.3�~�6A 0.3�~�3A 0.3�~�6A 0.2�~�2A
54W 53.6W
80mVp-p 120mVp-p 80mVp-p 150mVp-p
CH1:�4.75�~�5.5V CH1:�4.75�~�5.5V
2.0% 7.0% 2.0% -4,+8%
0.5% 1.5% 0.5% 1.5%
0.5% 3.0% 0.5% 3.0%
500ms,�20ms/230VAC����������1200ms,�30ms/115VAC at�full�load
60ms/230VAC����������14ms/115VAC at�full�load
88�~�264VAC����������125�~�373VDC (Withstand�300VAC�surge�for�5sec.�Without�damage)
47�~�63Hz
79% 80%
CH1:�5.75�~�6.75V
1.3A/115VAC�����������0.8A/230VAC
COLD�START 33A/230VAC
<2mA /�240VAC
110�~�150% rated�output�power
Protection�type�:�Hiccup�mode,�recovers�automatically�after�fault�condition�is�removed
UL60950-1, TUV�EN60950-1 Approved
Compliance�to�EN55022�(CISPR22)�Class�B
Compliance�to EN61000-3-2,-3
-25�~�+70 (Refer�to�output�load�derating�curve)
20�~�90%�RH non-condensing
-40�~�+85 ,�10�~�95%�RH
0.03%/ (0�~�50 )on�+5V�output
10�~�500Hz,�5G�10min./1cycle,�period�for 60min.�each�along�X, Y,�Z�axes
172.6Khrs�min.������MIL-HDBK-217F�(25 )
99*97*36mm�(L*W*H)
File�Name:RD-50-SPEC���2005-09-13
Protection�type�: Hiccup�mode,�recovers�automatically�after�fault�condition�is�removed
0.41Kg;�45pcs/19.5Kg/0.9CUFT
50W�Dual�Output�Switching�Power�Supply RD-50 series
WITHSTAND�VOLTAGE
ISOLATION�RESISTANCE
I/P-O/P:3KVAC�����I/P-FG:1.5KVAC�����O/P-FG:0.5KVAC
I/P-O/P,�I/P-FG,�O/P-FG:100M�Ohms/500VDC
ENVIRONMENT
SAFETY &
EMC
(Note�4)
PROTECTION
EMI�CONDUCTION�&�RADIATION
RIPPLE�&�NOISE�(max.) Note.2
VOLTAGE�TOLERANCE Note.3
Compliance�to�EN61000-4-2,3,4,5,6,8,11;�ENV50204,�EN61000-6-2�(EN50082-2)�heavy�industry�level,�criteria A
CH1
OUTPUT�NUMBER
RD-50 series
50W Dual Output Switching Power Supply
300 Myles Standish Blvd., Taunton, MA 02780
Ph: 1-800-823-8082 Fax: 508-823-8181
WWW.ASTRODYNE.COM
3.5
7
5.5
74
18
6.5 87
99
89
4.5
51.5
2-M3
3.5
3.5
3.5
2-M3
36
17.5
36
55.5
97
Mechanical�Specification
Derating�Curve
Case�No.�905B�����Unit:mm
Output�Derating�VS�Input�Voltage
INPUT�VOLTAGE�(VAC)�60Hz
88 10095 120115 160140 200180 240220 264
LOAD�(%)
Ta=25
90
100
80
70
60
50
40
5
6
7
4
3
2
1
55
20.5
Terminal�Pin.�No Assignment
Pin�No. Pin�No.
1
2
4,6
3
5
7
Assignment Assignment
DC�OUTPUT COM
DC�OUTPUT +V2
DC�OUTPUT +V1
FG
AC/L
AC/N
AMBIENT�TEMPERATURE�( )
LOAD�(%)
-25
-25
0
0
2010 30 40
20
40
80
60
100
6050 70 (VERTICAL)
8.2 9.5
28
File�Name:RD-50-SPEC���2005-09-13
50W�Dual�Output�Switching�Power�Supply RD-50 series
