DESCRIPTION
This variable-purpose power supply is suitable for many differ-
ent applications for security, access control and CCTV system
accessories that need supplementary power. The NP-P10A
power supply/charger converts low voltage AC input into 12VDC
or 24VDC @ 10 Amps of continuous supply current (see fea-
tures).
FEATURES
•
Maximum charge current 700mA.
•
Automatic switch over to stand-by battery.
•
Thermal overload and short circuit protection.
•
Battery is fuse protected.
•
AC input and DC output LED indicators.
•
Includes battery leads.
•
Dip switch selectable 12VDC-24VDC output.
•
10 Amps continuous supply current at 12VDC-24VDC*.
•
Filtered and electronically regulated output.
•
Built-in charger for sealed lead acid or gel type batteries.
Board dimensions: 179.32mm (L) x 108.71mm (W) x 60mm (H)
*
Specified at 25° C ambient.
INSTALLATION INSTRUCTIONS
The NP-P10A should be installed in accordance with The National
Electrical Code and all applicable Local Regulations.
1. Mount the NP-P10A in desired location/enclosure.
2.
Connect proper transformer to terminals marked [AC]. (See
Voltage Output/Transformer Selection Table). Use 18 AWG or
larger for all power connections (Battery, DC output).
Keep power limited wiring separate from non-power limited
wiring (115VAC / 60Hz Input, Battery Wires). Minimum .25"
spacing must be provided.
3. Set the NP-P10A to the desired DC output voltage by setting the
switches to the appropriate positions (see
Voltage Output/
Transformer Selection Table
).
4. Connect devices to be powered to terminals marked [+ DC -].
Note:
It is important to measure output voltage before connecting
devices to help avoid potential damage.
5.
When the uses of stand-by batteries are desired, they must be
lead acid or gel type. Connect battery to terminals marked [+
BAT -] on the unit (battery leads included). Use two (2) 12VDC
batteries connected in series for 24VDC operation.
Note:
When batteries are not used a loss of AC will result in the
loss of output voltage.
R
333 Bayview Avenue
Amityville, New York 11701
For Sales and Repairs, (800) 645-9445
For Technical Service, (800) 645-9440
NP-P10A
10 AMP POWER SUPPLY / CHARGER
WI1328C 12/05
© NAPCO 2005
Red
(DC)
Green
(AC)
Power Supply Status
ON
ON
Normal operating condition.
ON
OFF Loss of AC, Stand-by battery supplying power.
OFF
ON
No DC output. Short circuit or thermal overload condition.
OFF
OFF No DC output. Loss of AC. Discharged or no battery.
LED DIAGNOSTICS
Terminal
Legend
Function/Description
AC
Low voltage AC input (see Voltage Output/Transformer Selection Table).
For 12VDC output use 28VAC with 175 VA power rating or higher.
For 24VDC output use 28VAC with 300VA power rating or higher.
Caution: Do not apply voltages above 28VAC (28VAC is maximum input rating).
+ BAT --
Stand-by battery connections.
+ DC --
DC output voltage for devices to be powered.
TERMINAL IDENTIFICATION
Item
Description
Dimension Volume
Memo
1
Instruction Sheet
A4
1
2
Wire
18AWG 22cm
1
RED
3
Wire
18AWG 22cm
1
BLACK
4
Double Stick Foam Tape
60*20*7mm
2
APPENDIX LIST
VOLTAGE OUTPUT/TRANSFORMER SELECTION TABLE
Voltage
Dip Switch
Position
Transformer /
Output Rating
12VDC @ 10
Amps continuous
supply current
1. ON
2. OFF
P-TRF28175
24VDC @ 6 Amps
continuous supply
current
1. ON
2. ON
P-TRF28175
24VDC @ 10
Amps continuous
supply current
1. ON
2. ON
P-TRF28300
AC
