VSP-VP-2048C
Issue 1
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947746
VP-2048C
48 VOLT DC POWER SUPPLY
IDENTIFICATION
The VP-2048C is a fully regulated 48VDC 2 amp
power supply ("A" Battery). The input is fuse
protected and the output is floating with respect to
ground. The regulator will maintain 48 + 3 volts over
the entire input voltage range. Upon power up, a load
greater than 2 amps will shut the power supply off.
Short circuit protection is also provided. The
VP-2048C can be used with Valcom V-1038 paging
horn or any application where 48VDC filtered ("A")
battery is required. The VP-2048C is CSA, UL and
CE approved.
NOMINAL SPECIFICATIONS
Input:
105-120VAC, 60 hz, 150 watts
Output:
48VDC +3V "A" Battery
(ripple 10mV max.) 2 amps @ 25 degrees C
Environment:
Temperature 0 to 50 degrees
Humidity 0 to 85% non-precipitating
Dimensions:
10.7"H x 6.35"W x 3.7"D
27.2cm H x 16.0cm W x 9.4cm D
Weight:
12 lbs. (5.45 Kg)
INSTALLATION
The VP-2048C is designed to be wall-mounted within
4.5 feet of an AC receptacle.
___ 1. Using 12 AWG or larger ground wire,
connect the local ground screw terminal to a
cold water pipe or earth ground.
___ 2. Connect device requiring power to screw
terminal labeled -48V, 2A and to the screw
terminal labeled GND.
___ 3. Connect a strap between the local ground
and ground output terminals when using the
VP-2048C with Valcom equipment.
TECHNICAL ASSISTANCE
When trouble is reported, verify there are no broken
connections. Troubleshooting assistance is available
from the factory. Call (540) 427-3900 and ask for
Technical Support, or (540) 427-6000 for Valcom
24-hour Automated Support or visit our website at
http://www.valcom.com.
Valcom equipment is not field repairable. Valcom,
Inc. maintains service facilities in Roanoke, VA.
Should repairs be necessary, attach a tag to the unit
clearly stating company name, address, phone
number, contact person, and the nature of the
problem. Send the unit to:
Valcom, Inc.
Repair and Return Dept.
5614 Hollins Road
Roanoke, VA 24019-5056
Technical Manuals Online! - http://www.tech-man.com
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