Product Specification Sheet APS573

Rev. 07/2013

IH527 Surface Plastic Back Box for SF527/SF337C or SF528/SF340B (TC500 Series)

Architects' And Engineers' Specifications

The surface-mount single-gang plastic back box shall be Alpha Communications® / TekTone IH527 or approved equal. The IH527 shall be of plastic construction for durability and for unhindered wireless signal transmission. The IH527 shall be used in wireless applications for mounting the SF337C Waterproof Emergency Switch with the SF527ES Wireless Support Module, or for mounting the SF340B Emergency Switch with the SF528ES Wireless Support Module. Mounting holes shall be provided on the back for easy mounting to the wall, and on the front for easy mounting of the emergency switch to the IH527 back box.

TekTone® has designed the Tek-CARE®500 (TC500) to work as a system. Its NC501ES Master Station Computer has been carefully designed and matched to work with Tek-CARE®500 wireless and wired peripherals. TekTone® will not warrant or support components of Tek-CARE®500 that are purchased separately unless the components are add-ons to previously sold systems. TekTone® will also not warrant or support a system that is a mix of TekTone® and Non-TekTone® parts, unless prior written permission has been obtained. In order to track our systems and to inform facilities of software upgrades, full site information (site name, address and phone number) will be required when ordering. Site information and NC501ES warranty number will also be required when requesting technical support.

IH527 Surface-Mount Single-Gang Plastic Back Box
The Alpha Communications® / TekTone  IH527 Surface-Mount Single-Gang Plastic Back Box is for use with the TekCARE®500 Wireless Emergency Call System. The back box is used to surface mount the SF527ES/SF337C Waterproof Emergency Switch assembly and the SF528ES/SF340B Emergency Switch assembly.

The IH527 is constructed of durable ABS plastic to coordinate with the emergency switches, and does not interfere with wireless transmission signals. The back box includes mounting holes on the back for attachment to the wall. The SF527ES or SF528ES Wireless Support Module is placed inside the IH527, and then the SF337C or SF340B Emergency Switch (respectively) is attached to the mounting holes on the front of the IH527.

  • ABS Plastic
  • Easy installation
  • Mounting holes included
  • Strong and durable
ABS plastic

Height: 4.50" (115mm)
Width: 2.85" (73mm)
Depth: 2.65" (68mm)
Plastic: 4.83mm thick

Required Components

  • Tek-CARE®500 (TC500) Wireless Emergency Call System
  • SF527ES Wireless Support Module
  • SF337C Waterproof Emergency Switch 


  • Tek-CARE®500 (TC500) Wireless Emergency Call System
  • SF528ES Wireless Support Module
  • SF340B Emergency Switch
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Due to continuous product improvement, all colors, sizes, materials, finishes and specifications are subject to change without notice.