Product Specification Sheet APS338

Rev. 08/2013

OH300 Series Surface Panel Backbox/Housing for OF200

OH302 (shown)
Architects' And Engineers' Specifications
The OH300 surface panel backbox/housing(s) shall be Alpha Communications® / TekTone model OH30x approved equal (x=number of panel modules). It shall be made of heavy gauge steel in a painted Black finish. Contractor shall provide the required OF20X series annunciator/panel frame(s) (x=number of panel modules). The OH30X series surface backbox/housing has a round opening in the back of housing, to allow for wire entry.

Contractor shall observe all local and national electrical and building codes, and contractor shall provide a model S1 special screwdriver for future system maintenance.

OH300 Series Surface Backbox/Housing for OF200 Series Aluminum Panel Frames
The Alpha Communications® / TekTone OH30X surface series backbox / housings are made of heavy gauge galvanized steel, painted in a Black finish. They are designed to be used with the OF20X series aluminum panel and master annunciator frames.

These backboxes/housings are used with a variety of apartment entry intercom and video intercom lobby panel modules, as well as nurse-call, emergency-call and specialty master annunciator modules. 

The OH30X series surface backbox/housing is open at the back of housing, to allow for wire entry, and wooden inserts are provided for internal mounting of the OF20X series panel frame, into the OH30X surface backbox.

Available Models

NOTE: All models are 17.75"H (451mm) and 4.00"D (102mm) on top of finished wall surface. All sizes larger than OH302 are non-stocked, special-order items.

  • OH301: 1 Gang 6.125"W (156mm)
  • OH302: 2 Gang 10.125"W (258mm)
  • OH303: 3 Gang 14.125"W (359mm)
  • OH304: 4 Gang 18.125"W (461mm)
  • OH305: 5 Gang 22.125"W (563mm)
  • OH306: 6 Gang 26.125"W (664mm)
  • OH307: 7 Gang 20.125"W (766mm)
  • OH308: 8 Gang 34.125"W (867mm)
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Due to continuous product improvement, all colors, sizes, materials, finishes and specifications are subject to change without notice.