Guardian’s WRR-41-H Hazardous Area Outdoor Industrial Weather Resistant analog ringdown telephones are designed for use in Class I, Division 2 hazardous areas where the atmosphere may be hazardous due to the presence of gases, dust, or fibers. Lift the handset and PBX programming routes the call to its assigned location.

Renowned for safety and durability, from the phone’s electronics to their sturdy enclosure constructed of engineering polymer.

WRR-41-H models are built for demanding applications where reliability is essential.

Standards Compliance

CSA (”C” and “US”) 1545708

CSA (”C” and “US”)
Class I, Division 2, Groups A, B, C and D;
CLASS 4838 81 – TELECOMMUNICATION EQUIPMENT – For Hazardous Locations – Certified to US Standards
CLASS 4838 01 – TELECOMMUNICATION EQUIPMENT – For Hazardous Locations
CSA (”C” and “US”) Certificate 1545708 (LR 6557)


Grant of FCC Equipment Certification
Certification Under CFR 47 Part 68 – Connection of Terminal Equipment to the telephone network
Subject to the provisions of Part 68 of the FCC Rules and Regulations. Certification is Hereby Granted for the equipment listed herein. Any change in model number or trade name requires amendment of certification. Each piece of equipment bearing the listed trade name(s) and model number(s) shall be labeled in accordance with the provisions of Section TSB168.
FCC TCB Certificate HQHCAN-22517-TE-E

Product Features

  • Armored handset cord/Volume control handset/Mounting plate
  • Direct dial to an assigned location
  • Magnetic reed hook switch to reduce parts subject to wear
  • Encapsulated circuitry impervious to water and particles
  • Nylon hinge to prevent jamming caused by salt or corrosion
  • Spring-loaded door for automatic closure
  • Surge arrestor to prevent voltage spike damage
  • Heavy duty industrial handset
  • Volume control to ensure communication in noisy environments
  • Electret noise reducing microphone for clear communication
  • Service temperature range from -40˚ to +140˚F ( -40˚ to +60˚C )
  • Waterproof connections & stainless steel fittings for longer life
  • Compact durable enclosure with mounting plate for easy mounting
  • Modular parts for easy service
  • Hearing aid compatible
  • Electronic ringer for reliability
  • Yellow enclosure for high visibility. Optional Grey enclosure and other custom options available
  • Weather, dust & corrosion resistant
  • Easily connected to any single line analog CO or PABX telephone line
  • Powder coated, corrosion protected steel faceplate
  • Front access plate for ease of hook-up
  • Order number: P6682
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