Product Specification Sheet APS535

Rev. 07/2013

VCUR Video-Intercom Amplifier/Power Supply (VMH24 / VMH25 / VH30 Series)

This Specsheet is for a product which is discontinued. Please contact us for alternative products.
Architects' And Engineers' Specifications

The power supply/amplifier shall be Alpha Communications® / S.T.R.™ model VCUR, or approved equal. The power supply/amplifier shall provide sufficient power for up to 3 video-intercom monitor units. Amplifier shall operate from a model T1640 16VAC (40VA) U.L. Listed transformer. All wiring to power supply/amplifier shall be low-voltage Class II wiring, installed as per all federal, state, and local electrical codes. Power supply/amplifier shall surface mount right to the 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 secure installation, power supply should be installed into a lockable equipment cabinet/housing.

Power supply/amplifier shall be installed a safe distance from any source of electrical interference.

Contractor shall observe all local and national electrical and building codes. 

VCUR Amplifier/Power Supply

The Alpha Communications® / S.T.R.™ VCUR amplifier/power supplies are used with the S.T.R.™ video-intercom systems, to provide intercom amplification, power to operate the electric door opener(s) etc., and power to operate the video monitor units. 

The VCUR units each require a 16VAC (40VA) and 12VAC (20VA) low-voltage Class II transformer for power. Use our model T1640 (16VAC) plug-in transformer for each VCUR

These VCUR amplifier/power supplies are designed to easily surface mount right onto the finished wall by means of customer supplied screws or the convenient plastic 'Din Rail' bracket supplied with each power supply. Connections are positive screw terminal type. 

The VCUR is used for each 3 (or less) video-intercom monitor/ handset stations on a system.

  • Easily Installs Right on Finished Wall Surface or in Customer 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 Requirements for up to 3 Video-intercom Monitors

Height: 3.75" (96mm)
Width: 4.25" (108mm)
Depth: 2.375" (61mm) from mounting surface

Volume Control: Adjustable potentiometer built-in
Connections: Positive Screw Terminal Connectors
Wiring Requirements
Basic video-intercom riser wiring shall be 4-common #22AWG, 2- common #18AWG, 1-RG59/U (all copper minimum 95% braid) coaxial cable common and 1 selective wire #22AWG, for each video monitor station connected to the riser cable. Add one (or more) additional common wires if the 'Red Dot' button on the handset will be used (or any additional buttons such as those on the HT2006 series handsets). See system wiring diagram for more complete wiring information.
Optional Components
16VAC Door Release (or equivalent)
Specialty Door Opener Relay Adapter
Alpha Communications
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Due to continuous product improvement, all colors, sizes, materials, finishes and specifications are subject to change without notice.