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Issue 3 

 

1

 

947280 

 

 

VP-12124 

24 VOLT DC SWITCHING POWER SUPPLY

 

 

INTRODUCTION 

These instructions provide the specifications, 
installation and maintenance information for the 
VP-12124 24 Volt Power Supply. 

 

SPECIFICATIONS 

The VP-12124 is a fully regulated 24VDC, 12 Amp 
switching power supply.  The primary is protected by a 
6.3 Amp fuse and the 

six, 

2 amp outputs by 

auto-resetting fuses.  The outputs are floating with 
respect to ground.  The regulator will maintain 24 
Volts +/-2% over the rated range of input voltages and 
output loads.  A greater than 12 Amp load on power 
up will cause the power supply to current limit.  Short 
circuit protection is provided.  Over voltage is provided 
to limit the output voltage to approximately 28 Volts 
should a failure occur within the power supply.  
Outputs may be paralleled but not series connected. 

 

Applications

 

The VP-12124 is designed to be used with: 

 

All Valcom page control units 

 

Valcom one-way amplified speaker assemblies 

 

Any application where 24VDC filtered talk battery 
is required 

Design Features

 

 

VP-12124:  90-260VAC, 50/60Hz input 

 

Hold Up Time: 350mS Power Line Ride Through 

 

(6) LPS outputs (24VDC @ 2A each) 

 

Meets Canadian requirements classified Level 3 

 

Short Circuit Protection 

 UL/CSA/TUV 

Approvals 

 

LED operational indicator 

 EMI 

filtering 

 

Auto recovery overload protection 

 

83% Efficiency Green Technology 

 

3 second power-up delay to drive large capacitive 

loads up to 40K µF 

 

Power Factor Correction 

Nominal Specifications

 

General

 

Efficiency: 

83% @ 12A full load 

Weight: 

7.7 lbs. (3.5 Kg) 

Dimensions: 12.10"H 

x 8.70"W x 3.90"D 

 

(30.70cm x 22.10cm x 9.90cm) 

Input - VP-12124

 

Voltage: 90-260VAC 

Frequency: 50/60Hz 

Full Load Line Current: 

3A @ 120V/1.5A @ 240V 

Rated Power: 

360 Watts 

Fusing: 6.3A 

Fast 

 

 
Output

 

Rated Power: 

300 Watts 

Voltage: 24 

Volts 

Current: 

12 Amps (6 - 2A outputs) 

Fusing: 

6 - 2A, auto-reset polyswitch fuses 

Ripple & Noise:  

1% P-P Max 

 

Environmental 

Operating Temp: 

0 to 40

o

Storage Temp: 

-40

o

 to 85

Cooling: 

Free Air Convection 

Humidity: 

10 - 90% (non-condensing) 

Shock: 

 

Precautionary Notes 
 

 

INSTALLATION 

Mounting 

The VP-12124 is designed to be wall mounted, via 
mounting slots, within 7 feet of an AC receptacle. 

Connections

 

 

Connections to Valcom page control units are 
shown in Figure 1. 

 

When using the VP-12124 with Valcom page 
equipment, a strap may be added from the local 

CAUTION:  To reduce the risk of electric shock,

Do not remove cover.

No user serviceable parts inside.

Refer servicing to qualified service personnel.

This symbol indicates that dangerous

voltage constituting a risk of electric

shock is present within this unit.

This symbol indicates that there are

important operating and maintenance

instructions in the literature accompanying

this unit.

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

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