PSG8.2.3D Sec 04 Analog Hazardous Area Telephones
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Product and Services Guide Hazardous Area Certified Analog Telephones Guardian’s Hazardous Area phones go further by offering a full range of phone features and are designed for locations in which fire or explosion hazards may exist due to flammable gases or vapors, combustible dust, flammable liquids; or easily ignitable flyings or fibers. All of our WRT-H and WRR-H units are standard with a stainless steel mounting plate and a conduit hub for ease of installation while other models allow for these as options. Our Hazardous Area phones give you safety, quality, reliability, flexibility and capabilities all in one system – without compromise. SECTION ISO-9001:2008 Certification Today's Quality Creates Our Future

isit industrial sites around the world and you can find telephones and communication systems designed, manufactured, distributed and commissioned by Guardian Telecom. From certified and ruggedized telephone and paging endpoints, to loudspeakers & ringers, cable, accessories, acoustic booths and much more. Our product line is extensive and our knowledge in-depth. Guardian manufactures and assembles at our modern, ISO certified, CSA, UL and ATEX approved facility located east of the Canadian Rockies in Calgary, Alberta, Canada. Working closely with our customers has always been a cornerstone...

Hazardous Area Analog Telephones Weather Resistant — WRT-H & WRT-HD WRT-H Telephones are for use in Class I, Division 2 areas where gas may be present. Our WRT-HD units are certified for Class I, Division 2 areas as well as Class II Division 1 & 2 areas where metal, coal and grain dust can accumulate and be a risk. • WRT-10-H Teleseal Keypad, Curly Handset Cord and Volume Control Handset • WRT-20-H Membrane Keypad, Curly Handset Cord and Volume Control on Keypad • WRT-30-H Metal Keypad, Curly Handset Cord and Volume Control Handset • WRT-40-H Metal Keypad, Armored Handset Cord and Volume...

Guardian Telecom Product and Services Guide www.guardiantelecom.com PSG-8.2.3D

Standard Handset on all WRT-HD WRT-H/WRT-HD Series Hazardous Area Telephones FEATURES and BENEFITS WRT-30-H Volume Control Handset on WRT-10-H, WRT-30-H & WRT-40-H • 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 (not available on WRT-10-HD model) • Electret noise reducing...

WRT-10-H with Curly Handset Cord WRT-40-H with Armored Handset Cord WRT-H/WRT-HD Series  Hazardous Area Telephones ENGINEERING SPECIFICATIONS ENVIRONMENTAL ELECTRICAL PERFORMANCE Audio Range Frequency Response 300 - 3400 Hz Dialing Method DTMF or 40/60 Pulse @10 PPS Transmit Objective Loudness Rating (TOLR) Nominal -38 +/ - 3 dB Receiver Volume Adjustment* 3 Steps Up / 2 Steps Down 8.1dB / 5.1 dB *Applies to volume control handset only. – NOTE: WRT-20-H & WRT-20-HD use the non-volume control handset. Volume is controlled via the keypad. Receiver Objective Loudness Rating (ROLR) Nominal 50...

WRR-11-H/WRR-41-H Hazardous Area Ringdown Telephones FEATURES and BENEFITS Volume Control Handset • Magnetic reed hook switch to reduce parts subject to wear • Encapsulated circuitry impervious to water condensation and dust • 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 • Electret noise reducing microphone for clear communication • Service temperature range from -40˚ to +140˚F ( -40˚ to +60˚C ) • Water proof connections & stainless steel fittings for...

WRR-11-H with Curly Handset Cord WRR-41-H with Armored Handset Cord WRR-11-H  •  WRR-41-H  Hazardous Area Ringdown Telephones ENGINEERING SPECIFICATIONS ENVIRONMENTAL ELECTRICAL PERFORMANCE Audio Range Frequency Response Connection Method Transmit Objective Loudness Rating (TOLR) Receiver Volume Adjustment Receiver Objective Loudness Rating (ROLR) – receiver volume at maximum – receiver volume at minimum Side Tone Objective Loudness Rating (SOLR) – receiver volume at maximum – receiver volume at minimum Ringer Output FCC Ringer Equivalence Set Impedance Maximum Loop 300 - 3400 Hz Hotline...

Hazardous Area Telephones Hazardous Area Ringdown Telephone Optional key-lockable latch WTT-30-H • Water/dust-tight thermoplastic resin enclosure, Type 4X & IP66 • Encapsulated circuitry impervious to water and particles • Waterproof connections & stainless steel fittings for longer life • Corrosion protected and powder coated steel faceplate • The WTT-30-H & WTT-40-H models feature a metal keypad for extended life • Magnetic reed hook-switch to reduce parts subject to wear • Surge arrestor to prevent voltage spike damage • Vandal resistant armored handset cord with lanyard on WTT-40-H &...

OVERALL DIMENSIONS WTT-30-H with Curly Handset Cord WTR-40-H with Armored Handset Cord WTT-30-H & WTT-40-H  Hazardous Area Telephones  •  WTR-41-H  Hazardous Area Ringdown Telephone ENGINEERING SPECIFICATIONS ENVIRONMENTAL ELECTRICAL PERFORMANCE Audio Range Frequency Response Dialing Method (WTT-40-H) Transmit Objective Loudness Rating (TOLR) Receiver Volume Adjustment Receiver Objective Loudness Rating (ROLR) – receiver volume at maximum – receiver volume at minimum Side Tone Objective Loudness Rating (SOLR) – receiver volume at maximum – receiver volume at minimum Ringer Output FCC Ringer...

SCT-H Series Hazardous Area Steel Compact Telephones FEATURES and BENEFITS • Encapsulated circuit boards impervious to water condensation and dust • 16 gauge, corrosion protected, steel enclosure with powder coat finish • Heavy duty industrial volume control handset on models SCT-10-H, SCT-30-H & SCT-40-H • Rust and corrosion resistant stainless steel hardware • Electret noise reducing microphone • Magnetic reed hook-switch reduces moving parts subject to wear • Service temperature range -40˚ to +140˚F ( -40˚ to +60˚C ) • Surge arrestor to prevent voltage spike damage • Hearing aid...