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Table of Contents
Summary of Contents for Trolex TX3706
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Page 3: Table Of Contents
TX3706 • User Manual TX3706 • FALCON 25 Series Ex Connectors Contents Product Overview Disclaimers Operating Features Trademarks Application Contact Details Dimensions Technical Data Contact Inserts Certification & Conformity Fitting and Installation Precautions Tools and Equipment Free Plug and Free Receptacle 3.3.1 General assembly &... - Page 4 • Security coding options to prevent non-permitted engagement • Supplied with flexible ingress protection cover caps • Ex d blanking cover caps may be supplied where specified • Mounting clamp available for Unistrut bulkhead mounting of Free Connectors TX3706-UM-EN-02 www.trolex.com...
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Page 5: Dimensions
TX3706 • User Manual 1.2 Application • High integrity, multi path, robust, explosion proof connector, designed for extra heavy duty and critical applications. • ATEX and IECEx industrial hazardous area applications and underground mines. Suitable for use in flammable gas and dust atmospheres. -
Page 6: Technical Data
EN 61984: 2009 - Safety Requirements EN 60664: 2007 - Insulation Co-ordination EN60079-0: 2012+A11:2013 - General Requirements EN60079-1: 2014 - Flame-proof Enclosures EN60079-7: 2015 -Explosive atmospheres. Equipment protection by increased safety “e” EN60079-31: 2014 - Equipment Dust Ignition Protection by Enclosure “t” TX3706-UM-EN-02 www.trolex.com... -
Page 7: Contact Inserts
TX3706 • User Manual Contact Inserts Contact ways: 25 A 25 A Maximum rated current per contact: Maximum total current (all contacts): 100 A 100 A 250 V ac/ 100 V dc 250 V ac/ 100 V dc Rated voltage:... -
Page 8: Certification & Conformity
2.1 Underground mines (stainless steel versions only) 1) Line Plug and Line Receptacle Product Code: Ex Certificate Number: Ex Certification Code: TX3706.1.19.01.xx.xx.xx.xx CML 15ATEX1143X I M2 TX3706.2.19.01.xx.xx.xx.xx IECEx CML 15.0070X Ex db I Mb TX3706.4.19.01... - Page 9 1) When included, the total capacity of all pin options shall not exceed 100 A, with a maximum rating per pin of 25 A. 2) The cable entries and cable used with the TX3706 Falcon 25 Connectors may reach 60°C above ambient temperatures, therefore, shall be selected accordingly for these temperatures.
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Page 10: Fitting And Installation
Do not disengage the connector by pulling on the cable as this may damage the fitting of the cable into the cable gland. • A connector with a damaged flame path is an explosion risk and should be removed from service. TX3706-UM-EN-02 www.trolex.com... -
Page 11: Tools And Equipment
TX3706 • User Manual 3.2 Tools and Equipment • 2.5mm & 3mm Allen key • Wire strippers • 6 or 8 point crimping tool • Wire cutters (or soldering iron for soldered connections) 3.3 Free plug and free receptacle 3.3.1 General assembly and definitions Product Options 1. -
Page 12: Connecting
MALE or FEMALE contact inserts can be fitted into PLUGS or RECEPTACLES 3.3.2 Connecting • Prepare cable Standard Ex cable gland and approved cable (Not supplied) Ingress protection seal (Not supplied) Checkpoint Use sleeve 8 as a temporary wire length cutting gauge. TX3706-UM-EN-02 www.trolex.com... - Page 13 TX3706 • User Manual • Crimp or solder connectors • Fit backing ring 5 • Clip a retaining clip 7 to each contact • Load contacts into the contact insert 4 • Slide the backing ring 5 up to the contact insert 4 •...
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Page 14: Earth Bonding
External Earth bonding < 2.5mm • Internal Earth Continuity bonding Leading Earth Pin TX 3706.031. 15 TX 3706.031. 25 3.3.4 Security Coding Code C Code B Pull Pull → → Push Push Female Male Contact insert Contact insert TX3706-UM-EN-02 www.trolex.com... -
Page 15: Fixed Receptacle
TX3706 • User Manual 3.4 Fixed Receptacle 3.4.1 General assembly and definitions TX3706. 03 Fixed Receptacle Bush mounting onto Ex e or Ex d housing (Section 3.4.2) Product options 1. Body (Plug or receptacle) Group I Stainless Steel 1. Body (Plug or receptacle) Group II Stainless Steel/Aluminium 2. -
Page 16: Bush Mounting
2. Screw the Receptacle all the way into the mounting bush on the enclosure. This must be a minimum of five threads engaged on an Ex d enclosure. 3. Use a half-spanner to apply counter-clockwise locking force to the locking ring. TX3706-UM-EN-02 www.trolex.com... -
Page 17: Operation
TX3706 • User Manual 4. Operation 4.1 Engage and separate Line Receptacle TX3706.2 Line Plug TX3706.1 Fixed Receptacle TX3706.3 Engage Ex d Protection → Break Ex d Protection → Separate IP30 on Socket Locking Screw The locking screw must be tightened to complete the connection process giving full Ex d protection. -
Page 18: Safety Precautions
4.2.1 Isolate elsewhere Isolate all electrical power at source BEFORE separation Checkpoint IP65 Ex d + IP66 Fit the rubber ingress protection cap when Fit an Ex protection cap if the system separated. power is to be reinstated. TX3706-UM-EN-02 www.trolex.com... -
Page 19: Pilot Circuit Interlocking
TX3706 • User Manual 4.2.2 Pilot circuit interlocking Automatic isolation of the power source during separation using one of the connector contacts for interlocking a pilot switching circuit. • Fit a lagging pilot pin TX 3700.032.15 or TX 3700.032.25 Engage Ex d Protection →... -
Page 20: Live Engagement
Between 0.6 and 1.0 IP65 Only Ex d + IP66 Fit the rubber ingress protection cap Fit an Ex protection cap if the connection during temporary separation to exclude is to remain separated after the permitted dust and moisture. maintenance period. TX3706-UM-EN-02 www.trolex.com... - Page 21 TX3706 • User Manual Important: • Information in this section is provided to enable users to evaluate the risk of live work. • Live disconnection should be carried out under an appropriate permit to work system based on the risk assessment and should be carried out in a clean and dry environment on a temporary basis only.
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Page 22: Accessories
Accessories Mounting clamp TX3706. 51 Leading earth pin 1.5 mm P5609.23.01 Leading earth pin 2.5 mm P5609.16.01 Live disconnect/pilot pin 1.5 mm P5609.23.02 Maximum current: 1 Amp Live disconnect/pilot pin 2.5 mm P5609.16.02 Maximum current: 1 Amp Ex protection plug cap Aluminium TX3706.41... -
Page 23: Product Overview 4 Disclaimers
Trolex shall not be responsible or liable for misuse of the information contained herein. If you have any suggestions for improvements or amendments, or find errors in this publication, please notify us at marketing@trolex.com.
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