Product and Services Guide Section

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1 G U A R D I A N T E L E C O M Product and Services Guide Section 2 Explosion Proof Analog Telephones Explosion proof equipment is intended for use in the highest hazardous area classifications. These products are designed and constructed to contain explosions within the equipment. This prevents an explosion from igniting the hazardous atmosphere outside the unit. ISO-9001:2008 Certification Today's Quality Creates Our Future PSG7 D

2 Guardian Telecom Inc. is a world class designer, manufacturer and distributor of telephone communications equipment, accessories and systems that can be found in use around the globe. Located in Calgary, Canada, our modern manufacturing facility is ISO certified, CSA, UL and ATEX approved. Offices are located in Calgary, Houston and the Middle East. Working closely with end users we have developed and market an extensive line of high quality products for use in the demanding, industrial world. We have carried on that tradition with the design and introduction of our highly regarded Zone 1, Zone 2 and IP66 Weather Proof DTT-Z & DTR-Z models and our DTT & DTR telephones Now, Guardian Telecom has combined the benefits of VoIP with the outstanding quality of our telephony products. A simple network connection is all that is required with Guardian Telecom s Voice over Internet Protocol (VoIP) industrial telephones. From individual telephone units to complete systems our focus on customers distinct needs is addressed by customizing products whenever practical. From features to colors, finishes to labels, graphics, parts, enclosures and more. Guardian continues to build an extensive network of qualified distributors and manufacturer s representatives around the world. They are there to help you make informed decisions based on your communication needs, environmental factors, regulatory requirements, budget considerations, growth and scheduling. Our Channel-Partner & Technical Support teams work closely with our network of distributors and manufacturer s representatives around the world and directly with clients to make sure that you receive timely attention. Their practical experience, in-depth product knowledge and understanding of client applications will help guide you through the product selection process. Industrial Communications Worldwide Toll free in North America Tel Fax info@guardiantelecom.com 2-i Guardian Telecom's Product and Services Guide Catalogue is a combination of individual Category Sections which include an in-depth selection of Product Data Sheets from our extensive Product Lines including Telephones, VoIP, Page/Talk, Cable, Talk/Back, PA/GA equipment, Acoustic Booths, Loudspeakers & Ringers and Accessories at the date of publishing. Based on a policy of continuous improvement, Guardian is constantly evaluating and redesigning existing products, adding new features and introducing new items to the benefit of our customers. Additional information can be found on our website at Guardian Telecom Product and Services Guide Explosion Proof Analog Telephones PSG7 D4.1

3 Explosion Proof Analog Telephones EXT-401 & EXT-401 Assembly with CE20 Ringer Models with LINK & REDIAL Buttons and do not have Volume Control P4011 Base Model P1011 CE20 Line Powered Ringer / Backplate P4021 Ring Detect Relay (RDR) P1021 Ring Detect Relay (RDR) / CE20 Line Powered Ringer / Backplate P4022 Ring Detect Relay / Headset 1 P4023 Headset (in lieu of Handset) 1 P4036 Ring Detect Relay (RDR) / Headset / CE20 Line Powered Ringer / Backplate P4038 Headset / CE20 Line Powered Ringer / Backplate 2-1 Models where Volume Control Buttons replace LINK & REDIAL Buttons P4012 Base Model P4030 CE20 Line Powered Ringer / Backplate P4031 Ring Detect Relay (RDR) P4032 Ring Detect Relay (RDR) / CE20 Line Powered Ringer / Backplate P4033 Headset (in lieu of Handset) P4034 Headset / CE20 Line Powered Ringer / Backplate P4035 Headset / Ring Detect Relay (RDR) P4037 Headset / Ring Detect Relay (RDR) / CE20 Line Powered Ringer / Backplate Telephone Requires External Signalling Device Recommended Products SR40 / SR60 Explosion Proof HDE-11-VoIP HDE-1100-VoIP HDE-12-VoIP HDE-1200-VoIP CE20 Ringer Recessed, Emergency Call Button, Auxiliary Relay Recessed, Push to Call Button & 12 Digit Keypad, Auxiliary Relay Wall Mount, Emergency Call Button, Auxiliary Relay Recessed, Push to Call Button & 12 Digit Keypad, Auxiliary Relay Guardian s CE20 Explosion Proof Ringer is designed for use in hazardous areas where flammable gases, vapors or dust may be present. CE20 Ringer with Horn With the addition of the horn the CE20 has a Type 4X weather rating and can produce up to 97dB of sound pressure level. HS-EXT-401 Intrinsically Safe EXT-401 Headset The HS-EXT-401 Headset and the HSK-EXT-401 Headset Kit with hanger are field replacement for the standard handset on an EXT-401 phone. The rugged headset provides clear communication in noisy environments and the 20 (9.5m) cord allows mobility for user PSG7 D4.1 Guardian Telecom Product and Services Guide Explosion Proof Analog Telephones 2-ii

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5 EXT-401 Explosion Proof Telephone EXT-401 Explosion Proof Telephone with CE20 Explosion Proof Ringer. Guardian s EXT-401 Explosion Proof Telephone provides safe and reliable communication in Class I Division 1 and Class II Division 1 & 2 areas. FEATURES and BENEFITS Over-sized buttons for gloves-on operation Corrosion and moisture resistant circuitry Intrinsically safe handset with heavy duty cord Field replaceable handset and fuse Explosion proof, no isolation barrier required Copper-free cast aluminum housing Temperature range -40 F to +140 F (-40 to +60 C) Alternate models available with volume control in lieu of Link and Redial APPLICATIONS These telephones are designed for use in locations with the highest hazardous area classifications such as: Chemical Plants Defense & Aero-Space Installations Petrochemical Plants Munitions Storage Depots Offshore Drilling Rigs Land-based Drilling Rigs Missile Silos Liquefied Natural Gas Terminals Gas Plants Tankers and Tanker Depots Refineries Oil & Gas Metering Facilities Fueling Stations Paint & Varnish Manufacturing Plants Bulk Loading Stations Grain Processing & Similar Industries Fertilizer Plants Breweries and Distilleries and more... INSTALLATION and CONNECTABILITY To provide flexibility and potential for growth, Guardian telephones are easily and economically connected to any telephone network by standard wiring and components. Voice quality is unaffected when phones are connected within 15,000 feet (~ 4,600 metres) of a main telephone switch accepting single line telephones. Maintaining safety standards may require use of special wiring conduits or other considerations. The phone can be factory set for either tone or pulse operation. ACCESSORIES and OPTIONS 20 ft. (6m) Handset Cord Field Replaceable Low Temperature Polymer Jacket 22 (0.6m) Armored Handset Cord Headset (Replaces Handset) 2-1

6 [Exia] Associated equipment Appareillage Connexe C US GUARDIAN TELECOM INC. TELEPHONE FOR USE IN HAZARDOUS LOCATIONS CLASS I GROUPS B, C, & D CLASS I ZONE 1, GROUPS IIB+H2 CLASS II GROUPS E, F, & G ENCLOSURE TYPE 4 RECEPTACLE PROVIDES INTRINSICALLY SAFE OUTPUT USE ONLY MODEL 301SC OR 301SCPB HANDSET WITH THIS TELEPHONE RELAY CONTACTS 10A 1/3HP 240V AC 10A 1/3HP 120V AC 10A 30V DC FUSE: 0.25A 48VDC - TYPE 2AG, FAST-ACTING SER. NO. CAT. NO.: 401 REFER TO USER GUIDE FOR INSTALLATION MADE IN CANADA LISTED 13X8 WARNING FIELD REPAIR NOT POSSIBLE. FOR SERVICE RETURN TO FACTORY. TO PREVENT IGNITION OF HAZARDOUS ATMOSPHERE, DISCONNECT FROM THE SUPPLY CIRCUIT BEFORE OPENING OR REPLACING FUSE. KEEP TIGHTLY CLOSED WHEN CIRCUITS KEEP TIGHTLY CLOSED WHEN CIRCUITS ARE ALIVE. ALL CONDUIT RUNS MUST BE SEALED WITHIN 18 INCHES (450 mm) OF THIS ENCLOSURE. BREAKING OF REAR BOLT SEALS VOIDS MANUFACTURER S WARRANTY. SUBSTITUTION OF COMPONENTS MAY IMPAIR INTRINSIC SAFETY. ATTENTION CET APPAREIL NE PEUT ETRE REPARE A PIED D OEUVRE. NE PAS L OUVRIR LES BOULONS DOIVENT ETRE BIEN SERRES; EN CAS DE REMPLACEMENT DE LE PLOMB, LE TELEPHONE FAUT GHI OPER OVERALL DIMENSIONS 10.1" [257mm] 10.2" [258mm] 4.9" [124mm] 8.5" [216mm] 5.7" [144mm] 1 ABC 8 DEF 3 4 JKL 5 MNO 6 1 GHI 4 PRS 7 OPER # LINK ABC 8 DEF 3 JKL 5 MNO 6 TUV 8 WXY 9 0 RLS REDIAL 13.5" [342mm] PRS 7 TUV 8 WXY 9 0 # LINK RLS REDIAL 24.0" [610mm] EXT-401 Explosion Proof Telephone EXT-401 Explosion Proof Telephone ENGINEERING SPECIFICATIONS ELECTRICAL PERFORMANCE COMPLIANCE Audio Range Frequency Response Hz Industry Canada Models with Volume Control A Dialing method DTMF or 40/60 PPS CSA & UL CSA & UL E Transmit Objective Loudness Rating (TOLR) Nominal -38 +/ - 3 db Class I, Div. 1, Groups B, C and D; Class II, Div. 1 and 2, Groups E, F and G Receiver Objective Loudness Rating (ROLR) Nominal 50 +/- 3 db C22.2 No M1986 / C22.2 No receiver volume at maximum /- 3 db Intrinsically Safe and Non-incendive Equipment For Use in Hazardous receiver volume at minimum /- 3 db Locations, Gaseous Mines, NRCan Certificate No. 976X Side Tone Objective Loudness Rating (SOLR) Nominal 8 +/- 4 db ABS Design & Type Approval receiver volume at maximum 7 +/- 4 db receiver volume at minimum 14 +/-4 db Ringer Equivalence Number-REN 0.4A w/o RDR, 0.8B c/w RDR ORDERING INFORMATION Warranty: One year parts and labor Flash 600 msec Timed Disconnect Order No. Description Redial Maximum 13 Digits The following models have LINK & REDIAL Buttons, they do not have Volume Control CE20 Ringer Output 75 db P4011 Base Model* Set Impedance 600 Ohms Nominal P1011 CE20 Line Powered Ringer / Backplate Maximum Loop 15Kft ( ~ 4,600m ) of 22 AWG Wire P4021 Ring Detect Relay (RDR)* ELECTRICAL REQUIREMENTS P1021 Ring Detect Relay (RDR) / CE20 Line Powered Ringer / Backplate P4022 Ring Detect Relay / Headset Ringer Sensitivity V, Hz P4023 Headset (in lieu of Handset) Line Voltage VDC P4036 Ring Detect Relay (RDR) / Headset / CE20 Line Powered Ringer / Backplate Loop Current ma P4038 Headset / CE20 Line Powered Ringer / Backplate Connection Method Sealed External Wire Fuse (Externally Accessible) 0.25 Amp 2AG Fast Acting On the following models Volume Control Buttons replace LINK & REDIAL P4012 Base Model* MECHANICAL SPECIFICATIONS P4030 CE20 Line Powered Ringer / Backplate Hook Switch ( Cradle Switch ) Life > Operations P4031 Ring Detect Relay (RDR)* Body Construction Cast Copper Free Aluminum P4032 Ring Detect Relay (RDR) / CE20 Line Powered Ringer / Backplate Finish Hybrid Powder Coat Finish P4033 Headset (in lieu of Handset) Net Weight EXT lbs ( 9.6 kg ) P4034 Headset / CE20 Line Powered Ringer / Backplate EXT-401 Assembly 32.0 lbs ( 14.5 kg ) P4035 Headset / Ring Detect Relay (RDR) Shipping Weight EXT lbs ( 10 kg ) P4037 Headset / Ring Detect Relay (RDR) / CE20 Line Powered Ringer / Backplate EXT-401 Assembly 33.0 lbs ( 15 kg ) Options Shipping Dimensions ( L x W x D ) EXT x 10.5 x 9.5 ( 407 x 267 x 242 mm ) 22AC (0.6m) Armored Handset Cord in Lieu of Standard Curly Cord EXT-401 Assembly 15.0 x 28.0 x 11.0 ( 381 x 711 x 280 mm ) 6m HC 20 ft (6m) Handset Cord - Field Replaceable Low Temperature Polymer Jacket Hand Set Construction High Impact ABS P4042 Headset Kit (replaces handset) Hand Set Cord 10 ft ( 3m ) Field Replaceable Low Temperature Polymer Jacket Mounting Vertical Wall * Note: Telephone Requires External Signaling Device Microphone Dynamic While the handset and fuse on the model EXT-401 is field replaceable, hazardous area equipment is Receiver Hearing Aid Compatible not field serviceable. Please return equipment to the factory or an authorized depot for repairs. Hardware Material Stainless Steel ENVIRONMENTAL Distributed by: Waterproof Enclosure CSA Type 4X Temperature -40 to +140 F ( -40 to +60 C ) Humidity 0-95% RH Non-Condensing Corrosion Resistant Epoxy Coated Circuit Boards 2-2 Telecom Inc. ISO-9001:2008 Certification Today's Quality Creates Our Future Guardian pursues a policy of continuous improvement, therefore specifications are subject to change without notice th Street N.E., Calgary, Alberta, Canada T2E 8W1 Telephone: Facsimile: (North America) info@guardiantelecom.com EXT

7 Explosion Proof Ringers & Loudspeakers CE20 Ringer SR40/SR60 CE20 Ringer with Horn Guardian s CE20 Explosion Proof Ringer is designed for use indoors and outdoors in hazardous areas where flammable gases, vapors or dust may be present. Guardian s SR40 Explosion Proof unit can be set-up as a loudspeaker for paging applications, loud ringer to signal incoming phone calls, or both functions can be combined in one device. Guardian s SR60 Explosion Proof unit is a high power paging loudspeaker. FEATURES and BENEFITS CE20 Line Powered Explosion Proof Ringer Sound pressure level at one meter, on axis up to 75 db without horn (Up to 90 db with horn) Threaded, weather proof enclosure Projection horn Copper-free aluminum body and cover Sintered bronze flame arrestor SR40/SR60 Explosion Proof Loudspeaker, Ringer, & Loudspeaker/Ringer Mounting allows directional adjustments Projection horn included Powder coated cast aluminum enclosure User selectable output power taps Threaded end cap for easy installation APPLICATIONS These telephones are designed for use in locations with the highest hazardous area classifications such as: Petroleum Refineries Chemical Plants Power Generation Facilities Drilling Rigs Grain Handling Facilities Gas Plants Bulk Fuel Loading Facilities Mines Paint or Solvent Manufacturing Plants Aerospace Sites Munitions Storage and Production and more... INSTALLATION and CONNECTABILITY CE20 Line Powered Explosion Proof Ringer Guardian s CE20 Explosion Proof Ringer utilizes telephone line power, and does not require a separate power source. Maintaining safety standards may require the use of special wiring conduits or other considerations. The CE20 can be ordered separately or as part of an integrated system. SR40/SR60 Explosion Proof Loudspeaker, Ringer, & Loudspeaker/Ringer Guardian s SR40 and SR60 Explosion Proof units generate up to 110 db. The SR40 can be ordered in ringer configurations of 12/24 or 120/230 volts AC and as a combination ringer/loudspeaker. The SR60 is a 60 watt loudspeaker used in high powered applications. Maintaining safety standards may require the use of special wiring conduits or other considerations. 19-1

8 OVERALL DIMENSIONS & ENGINEERING SPECIFICATIONS CE20 Line Powered Explosion Proof Ringer 5.4 (136 mm) 5.4 (136 mm) 5.0 (128 mm) 6.1 (155 mm) ELECTRICAL REQUIREMENTS - Line Powered Ringer Sensitivity Ringer Equivalence Number ELECTRICAL PERFORMANCE CE20 Line Powered Ringer c/w Projection Horn CE20 Line Powered Ringer w/o Projection Horn 14.2 (360 mm) V, Hz 04.A/0.8B 90 +/- 3 db 75 +/- 3 db MECHANICAL SPECIFICATIONS Body Construction Copper Free Cast Aluminum Cover and Base With Epoxy Powder Coat Flame Arrestor Sintered Bronze W/O Projection Horn Net Weight 3.5 lbs ( 1.6 kg ) Shipping Weight 4.0 lbs ( 1.68 kg ) Shipping Dimensions ( L x W x D ) 9.0 x 6.0 x 5.5 ( 229 x 153 x 140 mm ) C/W Projection Horn Net Weight 6.0 lbs ( 2.7 kg ) Shipping Weight 7.5 lbs ( 3.4 kg ) Shipping Dimensions ( L x W x D ) 16.0 x 10.5 x 9.5 ( 407 x 267 x 242 mm ) 13.6 (345 mm) OVERALL DIMENSIONS & ENGINEERING SPECIFICATIONS ENVIRONMENTAL Enclosure Type see "COMPLIANCE" below Temperature -40 to +140 F ( -40 to +60 C ) Humidity 0-95% RH Non-Condensing COMPLIANCE CE20 c/w Projection Horn P7021 CSA UL File #: E Class 1, Division 1 Groups B, C, & D; Class 1, Division 1 Groups B, C, & D; Class l, Zone 1, Group llb +H2; Type 4X Class l, Zone 1, Group llb +H2; Type 4X Class ll Division 1, Groups E, F & G; Class lll; T5 CE20 w/o Projection Horn P7020 CSA UL File #: E Class 1, Division 1 Groups B, C, & D; Class 1, Division 1 Groups B, C, & D; Class l, Zone 1, Group llb +H2; Class l, Zone 1, Group llb +H2; Class ll Division 2, Groups F & G; Class lll; T5 ORDERING INFORMATION Order No. Description P7020 CE20 Line Powered Ringer P7021 CE20 Line Powered Ringer c/w Projection Horn SR40/60 Explosion Proof Speaker, Ringer, Speaker/Ringer Warranty: One year parts and labor 14.2 (360 mm) 8.3 (210 mm) 10.2 (258 mm) 8.9 (226 mm) 17.7 (448 mm) PERFORMANCE AS A SPEAKER Frequency Response Hz Power Rating SR40 70V 30 W max SR40 70V and ringer 15 W max SR40 16 Ohm 40 W max SR60 70V 60 W max SR60 16 Ohm 60 W max Sound pressure level (SPL) 110 db at 1.0 meter max MECHANICAL SPECIFICATIONS Body Construction Copper Free Cast Aluminum And Powder Coated Flame Arrestor Sintered Bronze Projection Horn ABS Net Weight 20.0 lbs ( 9.0 kg ) Shipping Weight 22.0 lbs ( 10.0 kg ) Shipping Dimensions ( L x W x D ) 12.0 x 12.0 x 16.0 ( 305 x 305 x 407 mm ) 20.2 (513 mm) 6.1 (155 mm) ELECTRICAL Input Voltage/fuse Rating 12VAC/1A, 24VAC/.75A, 120VAC/.5A or 230VAC/.25A Duty Cycle 50% 8.3 (210 mm) ENVIRONMENTAL Enclosure Type see "COMPLIANCE" below Temperature -40 to +140 F ( -40 to +60 C ) Humidity 0-95% RH Non-Condensing Dust Resistant Gasketted & Threaded Joints COMPLIANCE CSA LR UL E Class 1, Division 1 Groups B, C, & D; Class 1, Division 1 Groups B, C, & D; Class l, Zone 1, Group llb +H2; Type 3R Class l, Zone 1, Group llb +H2; Type 4X Class ll Division 1, Groups E, F & G; Class lll T6 (Exception T4 on 120 VAC & 230 VAC Models) Temp Code: T5 for SR40 Models TAMB: -40 to +104 F ( -40 to +40 C ) Temp Code: T3C for SR60 Models ABS Design & Type Approval ORDERING INFORMATION Order No. P7240 P7241 P7243 P7244 P7245 P7246 P7247 P7248 P7249 P7250 P7251 P7260 P7262 Warranty: One year parts and labor Description SR40, 24 VAC, Ringer SR40, 24 VAC, 15 Watt Paging Loudspeaker/Ringer SR40, 230 VAC, Ringer SR40, 230 VAC, 15 Watt Paging Loudspeaker/Ringer SR40, 30 Watt 70V Paging Loudspeaker SR40, 30 Watt, 70V Paging Loudspeaker with DC Filter Circuit for monitoring line integrity SR40, 30 Watt, 16 Ohm Paging Loudspeaker SR40, 12 VAC, Ringer SR40, 12 VAC, 15 Watt Paging Loudspeaker/Ringer SR40, 120 VAC, Ringer SR40, 120 VAC, 15 Watt Paging Loudspeaker/Ringer SR60, 60 watt, 70V Paging Loudspeaker SR60, 60 watt, 16 Ohm Paging Loudspeaker 19-2 Telecom Inc. ISO-9001:2008 Certification Today's Quality Creates Our Future th Street N.E., Calgary, Alberta, Canada T2E 8W (North America) Tel: Fax: info@guardiantelecom.com Distributed by: Guardian pursues a policy of continuous improvement, therefore specifications are subject to change without notice. ExpRS

9 C US GUARDIAN TELECOM INC. TELEPHONE FOR USE IN HAZARDOUS LOCATIONS CLASS I GROUPS B, C, & D CLASS I ZONE 1, GROUPS IIB+H2 CLASS II GROUPS E, F, & G LISTED ENCLOSURE TYPE 4 RECEPTACLE PROVIDES INTRINSICALLY SAFE OUTPUT USE ONLY MODEL 301SC OR 301SCPB HANDSET WITH THIS TELEPHONE 13X8 RELAY CONTACTS 10A 1/3HP 240V AC 10A 1/3HP 120V AC 10A 30V DC FUSE: 0.25A 48VDC - TYPE 2AG, FAST-ACTING SER. NO. CAT. NO.: 401 REFER TO USER GUIDE FOR INSTALLATION MADE IN CANADA [Exia] Associated equipment Appareillage Connexe WARNING FIELD REPAIR NOT POSSIBLE. FOR SERVICE RETURN TO FACTORY. TO PREVENT IGNITION OF HAZARDOUS ATMOSPHERE, DISCONNECT FROM THE SUPPLY CIRCUIT BEFORE OPENING OR REPLACING FUSE. KEEP TIGHTLY CLOSED WHEN CIRCUITS KEEP TIGHTLY CLOSED WHEN CIRCUITS ARE ALIVE. ALL CONDUIT RUNS MUST BE SEALED WITHIN 18 INCHES (450 mm) OF THIS ENCLOSURE. BREAKING OF REAR BOLT SEALS VOIDS MANUFACTURER'S WARRANTY. SUBSTITUTION OF COMPONENTS M AY IMPAIR INTRINSIC SAFETY. ATTENTION CET APPAREIL NE PEUT ETRE REPARE A PIED D'OEUVRE. NE PAS L'OUVRIR LES BOULONS DOIVENT ETRE BIEN SERRES; EN CAS DE REMPLACEMENT DE LE PLOMB, LE TELEPHONE FAUT ETRE DEBRANCHE; RETOURNER L'APPAREIL A L'USINE POUR LE DEPANNAGE; FAIT DE BRISER LE SCEAU DU FABRICANT A L'ARRIERE DE L'APPAREIL ANNUELE LA GUARANTIE DU FABRICANT. Industry Canada Industrie Canada A HSK-EXT-401 Intrinsically Safe EXT-401 Headset Kit HS-EXT-401 Intrinsically Safe EXT-401 Headset The rugged and reliable HS-EXT-401 Headset and the HSK-EXT-401 Headset Kit (P4042) are field replacement for the standard handset on an EXT-401 phone providing clear communication in noisy and hazardous area environments. The 20 (9.5m) cord allows mobility for user. The kit includes headset assembly, hanger complete with hook switch magnet and headset hanger bracket. HS-EXT-401 Headset (P7221) with Talk/Mute control and belt clip on the cord (MUTE) (TALK) 1 GHI 4 PRS 7 ABC 8 DEF 3 JKL 5 MNO 6 TUV 8 WXY 9 OPER # LINK 0 RLS REDIAL FEATURES and BENEFITS Field replacement for standard handset on EXP-401 telephone UL listed for use with EXT-401 Explosion proof telephone only 20 (9.5m) cord allows mobility for the user Provides clear communication in noisy environments Noise canceling microphone Behind-the-head dual ear for use with a safety cap or helmet microphone boom Adjustable Velcro strap APPLICATIONS The HSK-EXT-401 Headset and Headset Kit are designed for use with Guardian s EXT-401 in locations with the highest hazardous area classifications such as: Chemical Plants Defense & Aero-Space Installations Petrochemical Plants Munitions Storage Depots Offshore Drilling Rigs Land-based Drilling Rigs Missile Silos Liquefied Natural Gas Terminals Gas Plants Tankers and Tanker Depots Refineries Oil & Gas Metering Facilities Fueling Stations Paint & Varnish Manufacturing Plants Bulk Loading Stations Grain Processing & Similar Industries Fertilizer Plants Breweries and Distilleries and more... INSTALLATION and CONNECTABILITY Comes with an adapter to connect to the EXT-401 or other compatible devices. Instructions for removing the original handset and installing the Headset Kit are included. ORDERING INFORMATION Warranty: One year parts and labor Order Number Description P4042 HSK-EXT-401 Intrinsically Safe EXT-401 Headset & Hanger Kit P7221 HS-EXT-401 Intrinsically Safe EXT-401 Headset Distributed by: Telecom Inc. ISO-9001:2008 Certification Today's Quality Creates Our Future Guardian pursues a policy of continuous improvement, therefore specifications are subject to change without notice th Street N.E., Calgary, Alberta, Canada T2E 8W1 Telephone: Facsimile: (North America) info@guardiantelecom.com HSKEXT

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11 Sections Guardian Guardian Telecom s Product and Services Guide Catalogue is a combination of individual Category Section Publications About Guardian Telecom Building on a legacy of design and service Communications: Easy, Reliable and Safe More Choices, Selections and Services Standard Features Options & Accessories 1 Product and Project Consultation Commissioning Services Sound Studies Training Maintenance, Cleaning, Trouble Shooting & Refurbishment Custom Design Page/Talk, Telephone, PA/GA and Talk/Back Systems Standards and Classifications Knowledge Base Glossary Products Analog Telephones Explosion Proof ATEX-IEC Hazardous Area Outdoor/Indoor Industrial Indoor Industrial Emergency Correctional Institutional VoIP Telephones Outdoor/Indoor Industrial VoIP Indoor Industrial VoIP Emergency VoIP Page/Talk Explosion Proof Stations System Cable System Components Third-Party Page Station Replacement Talk/Back Explosion Proof Amplifiers PA/GA Acoustic Booths Loudspeakers/Ringers Explosion Proof Hazardous Area ATEX-IEC General Area Guardian represents DNH, Federal Signal, MEDC and TOA, and has access to an extensive range of world class leading manufacturers. Contact a Channel Partner or visit Guardian s website for additional information on Hazardous Area, ATEX-IEC, General Area and Explosion Proof Loudspeakers & Ringers. Accessories & Enclosures Telephone 23 Page/Talk 24 PSG7 D4.1 Product Index 25 Guardian Telecom Product and Services Guide Explosion Proof Analog Telephones

12 th Street N.E., Calgary, Alberta, Canada T2E 8W1 Telephone: Facsimile: (North America) Canada USA Middle East All content including the "Guardian Telecom" logo, images, graphics and descriptions are not to be used without the expressed written authorization of Guardian Telecom Inc., Calgary, Alberta, Canada. All other names and logos are the trademarks or registered trademarks of their respective companies. Guardian pursues a policy of continuous improvement, therefore product, content and specifications are subject to change without notice. Design, specifications and release dates are subject to change without notice. Guardian Telecom Product and Services Guide Explosion Proof Analog Telephones PSG7 D4.1