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DC POWER SUPPLY
MODEL DCP-1 .5-W
rT TECHNOLOGIES
DESCRIPTION
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The Model DCP-1.5-W is a regulated 1.5 amp power supply '�,;
that accepts 24 VAC at the input and provides 24 VDC at the g. . �:�,
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output. The Model DCP-1.5-W can be ordered with any output ' �`�� � ���.;,��� _
v o l t a g e f r o m 1.5 V t o 2 7 V D C. F i e l d v o l t a g e a d j u s t m e n t s m a y ' �, ��,� �'�`�`�� '�� ,�
also be made using only a screwdriver.The power supply is pro- ,, , �� ' '�� `
vided with a mounting track for easy field application. � 1` " - �
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These low cost power supplies feature good regulation and r �! '
have full overcurrent protection. 4� '�"����
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FEATURES ' � k `• ` `
• Low cost
• Regulated DC output
• Snap-track mounted DIMENSIONS/WIRING
• Screw terminals with pressure plates
in _ 4.0
APPLICATION NOTES (cm) I c�o.,6� �I
SNAP-TRACK •••
•As a rule of thumb, the output current rating will be reduced MOUNTING ��
by the ratio of the output voltage divided by the input volt- c�����ded> �D3
age. For example, a 6 VDC supply powered by a 24 VAC trans- O II�O —
former will have a reduced rated out put current of 375 mA. � a � (5.56)
(6/24)x 1.5=0.375
VOLTAGE o��T � � � �
To obtain the full rated output current at reduced output voltages� ADJUSTMENT q� �, � � � G GF3
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the standard power supply input voltage must be reduced. It is a DCP-1.5-W �o�o�T �A��N FUSE
good practice to maintain the same AC input voltage as the
desired DC output voltage.
REGULATED + LINE
•A grounded DC minus terminal and a grounded secondary D OUOTPUTGE - z4INA� - �TRANSFORMER'
24 VAC input transformer will blow the unit's fuse. If this is a
problem, there are 3 possible solutions: 'INPUT TRANSFORMER VA RATING AT 24 VAC=
43.2 x DESIRED DC OUTPUT CURRENT
Option 1: Remove the ground on the transformer secondary FOR FULL 1.5 AMP CAPACITY,USE A 75 VA
to float the voltage output or use a separate TRANSFORMER.
ungrounded transformer.
Option 2: Add a Y65GS-1 40 VA Isolation Transformer.
(This reduces power supply capacity to 920 mA.) SPECIFICATIONS
Option 3: Remove diode D3(marked on board).Jumper the VDC � �
(-)terminal to the outside AC(G)terminal.The Input voltage 24 VAC, 50/60 Hz
grounded side of the AC supply should be wired to �Output voltage 24 VDC adjustable
the AC(G)terminal. (This reduces the power supply 1.5V to 27 VDC
capacity to 400 mA.) Output current 1.5 amps
Regulation 1.5% at full rated current
Temperature stability 1%
Overcurrent protection 3 amp fuse(GF-3)
Dimensions 4.0"L x 2.19"W x 2.125"H
(10.16cmx5.56cmx5.39cm)
�Operating conditions 32°to 130°F(0 to 55°C)
Weight 0.4 Ib(0.18 kg)
ORDERING INFORMATION
DCP-1.5-W Power Supply, 24 VAC IN to 24 VDC OUT
DCP-1.5-W-C Power Supply, 24 VAC IN to Special DC output*
*Specify output voltage when ordering (1.5 to 27 VDC)
KELE&ASSOCIATES•P O Box 34817•Memphis,TN 38184 901-937-4900•FAX 901-372-2531 •E-mail info@kele.com