Product Specification Sheet A PS184 - Rev. 07/2013
VCU6 Video-Intercom Amplifier/Power Supply (VMH25A / VH30A Series)
42 Central Drive • Farmingdale • NY • 11735-1202 • Phone: (631) 777-5500 • Fax: (631) 777-5599
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Due to co ntinuous pro duct improvement, all colo rs, sizes, materials, finishes and specification s are subject to ch ange without n otice.
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Architects' And Engineers'
Specifications
The power supply/amplifier shall be Alpha
Communications® / S.T.R.™ model VCU6, or
approved equal. Amplifier shall operate from a
16VAC (40VA) AND a 12VAC (20VA) U.L. Listed
transformer (T1640 and T1240 respectively). All
wiring to power supply/amplifier shall be lowvoltage Class II wiring, installed as per all
federal, state, and local elec trical c odes. Power
supply/amplifier shall surfac e mount right to t he
finished wall and shall be installed in a
suitable environment that is free from excessive
dirt, dust, temperature, humidity, grease and
water. Power supply/amplifier shall provide the
intercom amplification and signaling power for
proper system operation. For most sec ure
installation, power supply should be installed into
a lockable equipment c abinet/housing.
Contract or shall observe all local and national
elect rical and building codes.
VCU6 Video-Intercom Amplifier/Power Supply
The Alpha Communicat ions® / S .T.R.™ VCU6 amplifier/power supplies are used with
the S.T.R.™ video-intercom syst ems, to provide intercom amplification, power to
operate t he elec tric door opener(s) etc ., and power to operate the video monitor
units.
The VCU6 units each require a 16VAC (40VA) and 12VAC (20VA) low-voltage Class II
transformer for power. Use our model T 1640 (16VAC) plug-in transformer and our
model T1240 (12VAC) plug-in transformer for eac h VCU6.
These VCU6 amplifier/power supplies are designed to easily surface mount right onto
the finished wall by means of c ustomer supplied sc rews or t he c onvenient plastic 'Din
Rail' brac ket supplied with eac h power supply. Connect ions are positive sc rew
terminal type.
The VCU6 is used for each 30 (or less) video-intercom monitor/handset stations on a
system.
Features
Easily Installs Right on Finished Wall Surface or in Cust omer Supplied Housing
Operates on Safe Low- Voltage Class II Wiring
Clear Voice Fidelity with Adjustable Voice Volume Control
Convenient Positive Screw Terminal Connections
Provides all Power Requirement s for up t o 30 Video-intercom Monitors
Specifications
Dimensions:
Height: 3.75" (96mm) Width: 4.25" (108mm) Depth: 2.375"
(61mm) from mounting surface
Volume
Control:
Adjustable potentiometer built- in.
Connections: Positive Sc rew Terminal Connectors