Product Specification Sheet APS897

Rev. 07/2014

AM40 Auxiliary Relay Adapter (QwikBUS™ Series)

Architects' And Engineers' Specifications

The Auxiliary Relay Module unit(s) shall be Alpha Communications® / S.T.R.™ QwikBUS™ model AM40, or approved equal. The AM40 shall be built into a rugged high impact plastic case, and shall be powered by the QwikBUS™ video-intercom or intercom station. The AM40 shall provide a normally open, dry contact closure when the QwikBUS™ video-intercom or intercom station is called from a lobby or entry station.

Low voltage wiring shall be used and positive screw terminal relay output connectors shall be provided for installation wiring. The AM40 shall be mounted behind the QwikBUS™ video-intercom or intercom station, where appropriate.

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

AM40 Auxiliary Relay Module

The Alpha Communications® / S.T.R.™ AM40 Auxiliary Relay Module is used with the QwikBUS™ series intercom and / or video-intercom systems. The AM40 plugs into the QwikBUS™ series intercom and / or video-intercom station, and provides a normally-open, dry contact closure, when the station is being called from a lobby or entrance station. This allows connection of a separately powered device, such as a strobe, loud bell, etc. 

The AM40 gets its power from the QwikBUS™ series intercom and/or video-intercom station directly, by means of a plug-in wiring harness and connector.

  • Easily Installs behind the QwikBUS™ video-intercom or intercom station
  • Operates on Safe Low-Voltage Class II Wiring
  • Positive Screw Terminal and plug-in Connectors
(board only less wiring harness)
Height: 1.00" (26mm)
Width: 1.06" (27mm)
Depth: 0.50" (13mm) from mounting surface
Connections: Positive screw terminals and plug-in connector
Mounting: Surface-mounted (usually installed inside or behind the QwikBUS™ video-intercom or intercom station).
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Due to continuous product improvement, all colors, sizes, materials, finishes and specifications are subject to change without notice.