ELK PD9 Specsheet
Power Distribution Modules
ELK-PD9 250mA rated outputs
ELK-PD9HC 400mA rated outputs
These Power Distribution Modules conveniently
distribute a single A.C. or D.C. input into nine
individual outputs, for centrally powering Video
Cameras, PIRs, Photobeams, etc. Each output is
protected with an auto-resetting PTC to protect a
shorted output from disabling the other outputs. A
visual LED power indicator is provided for each
output along with a single Master Power On/Off
Switch. The modules accept a 6 to 30 V olt A.C. or
D.C. power source (not included) which connects
either to the input terminal block or the 2.1mm D.C.
power jack located on the module. T wo or more
outputs can be paralleled for additional current.
Features
• Auto-Resetting (PTC) Overload Protection (NO FUSES to REPLACE).
• Master Power On/Off Switch.
• Visual LED Power Indicators on each Output.
• Convenient T est Point s for measuring T o tal Current Draw.
• Lifetime Limited Warranty .
• Paintable White Plastic
Specifications
• Max Current Draw: PD9 = 250mA from each output.
PD9HC = 400mA from each output.
• Max Combined Current Draw: Not to Exceed Input Power Source.
• Input/Output Volt age: 6 to 30 Volt s A.C. or D.C.
• Input Connection: Screw T erminals or 2.1mm Plug-In D.C. Jack.
• Output Connection: Screw T erminals (POS and NEG) for each Output.
• Enclosure Size: 6.5" x 4.3" x 2".
Kit Part Numbers
PD9AC24 AC Camera Kit: Includes ELK-PD9 + ELK-TRG2440 24V AC, 40VA T ransformer .
PD9DC12 DC Camera Kit: Includes ELK-PD9 + ELK-P1216 12V DC, 1.5A Plug-in Power Supply.
PO Box 100 • Hildebran, NC 28637 • 800-797-9355 • 828-397-4200
Fax 828-397-4415 • www .elkproducts.com • info@elkproducts.com
ELK
PRODUCTS, INC.
Instructions
ELK-PD9
1. To remove the cover from the Power Distribution Module (ELK-PD9), use a small object like a screw driver to press into
the slots located on the end of the cover. Insure that the power switch is off.
2. Using Table 1 or Table 2 below, select an AC or DC Power Source that provides enough current to power the number of
devices to be used. The Power Source voltage must also match the device's voltage requirements. Mount the Power
Distribution Module near the Power Source that will be used to power the devices.
3. Connect the Power Source to the Power Distribution Module via the two Input Power Screw Terminals or the 2.1mm DC
jack(J1) located to the right of the terminals.
4. Connect a two conductor cable from the Power Distribution Module's Output terminals to the devices to be powered. If
desired, the total current draw can be measured at the Master Power Switch using an Ammeter while the switch is off.
5. Turn the Master Power Switch on, ensure all leds are on. Replace the plastic cover on the Power Distribution Module.
Table 1: Sizing the Power Supply
Calculate the total combined power consumption of
all devices. Select a Power Supply which has a
Max. Available Power capac ity that meets or exceeds
appropriate Power Supply Model # is shown at left. NOTE: If a devic e cons umes more than the
the calculated total.
ELK-PD9
Model #
Voltage
Output
ELK-624 12 VDC 1 A 12
ELK-P1216 12 VDC 1.5A 18
ELK-P412 12 VDC 4A 48 20 40 5326 322217
Model #
Voltage
Output
ELK-624 24 VDC .8A 19
ELK-T2440 24 VAC 1. 7 A 40
Max. Available Power
Amps VA / Watts
Max. Available Power
Current VA / Wa tts
ELK-PD9HC
Model #
Voltage
Output
ELK-P412 12 VDC 4A 48 13 32 4020 261610
Max. Available Power
Amps VA / Watts
Figure 2: Power Distribution Module(ELK-PD9)
CONNECT DEVICES TO BE
POWERED TO THESE
TERMINALS
Observe Polarity
if using DC Voltage
Select a column that c lose ly approximates the power cons umption of each device. For the
Table 2: Quick Power Supply Selection by Number of Devices
desired voltage, select the row that meets or exceeds the number of desired devices. The
max. rating of a single PD9 output then parallel two or m ore outputs to gether to achiev e the
desired capacity. Use additional PD -9's f or every 9 devices or as required.
@225mA
(2.7W)
@200mA
(2.4W)
@175mA
(2.1W)
@150mA
(1.8W)
@125mA
(1.5W)
@100mA
(1.2W)
@75mA
(.9W)
5 10 136 854
7 15 2010 1286
@225mA
(5.4W)
@200mA
(4.8W)
@175mA
(4.2W)
@150mA
(3.6W)
@125mA
(3W)
@100mA
(2.4W)
@75mA
(1.8W)
4 8 105 643
8 17 2110 1297
@400mA
(4.8Watts )
@300mA
(3.6Watts )
POWER 1
POS NEG POS
NEG POS NEG
POWER 3POWER 2
POWER 4
POS NEG POS
NEG POS
POWER 6POWER 5
NEG NEG
POWER 7
POS NEG POS
NEG POS
POWER 9POWER 8
@250mA
(3Watts)
LED
PTC
LED
PTC
PTCLED
LED
PTC
LED
PTC
LED
PTC
LED
PTC
LED
PTC
LED
PTC
SW1
OFF
J1
CENTER
PIN +
ON
NEG
POS
9 OUTPUTS
@200mA
(2.4Watts )
-
+
24VAC or
24VDC or
12VDC
POWER DISTRIBUTION
@150mA
(1.8Wa tts )
SW1 MUST BE TURNED OFF IN ORDER
* WARNING ! THE SIZE OF THE INPUT
POWER SOURCE MUST BE LARGER THAN
THE COMBINED TOTAL LOAD OF THE
ATTACHED DEVICES.
THE INPUT POWER SOURCE MUS T ALSO
MATCH THE DEVICE'S OP ERATING
VOLTAGE SPECIFICATIONS
12 VOLT DC
@125mA
(1.5Wa tts )
TOTAL CURRENT DRAW CAN BE
MEASURED BY ATTACHING A
CURRENT METER TO THESE TEST
POINTS LOCATED ON SW1 LEADS
TO MEASURE THE CURRENT
@100mA
(1.2Wa tts)
CONNECT INPUT
POWER HERE
12 or 24 VOLTS
AC or DC
(30 VOLTS MAX)*
OPTIONAL:
PLUG-IN
POWER
SUPPLY
07/04
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