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EPX Series

EPX Series
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EPX Series

Product catalog summary
Introduction
The EPX® Series by Radiall is a modular connector solution widely used in the Aerospace and Defense industries. It adheres to the EN4644 European standard, offering high-density solutions with a slim, stackable shell design to optimize space and contact density.
Technical Characteristics
  • Disconnect Connectors: Tailored for efficient disconnection with specific electrical and mechanical features.
  • Rack and Panel Connectors: Designed for robust performance in rack and panel setups.
  • Inserts and Contacts: Available for signal, power, coaxial, twinax, triax, and fiber optic contacts.
Applications
  • Disconnect Applications: Includes EPXA, EPXB1, and EPXB2 models with details on shell dimensions and accessories.
  • Rack and Panel Applications: Covers EPXB1 to EPXB4 models with ordering information and shell dimensions.
Ordering and Assembly
Detailed instructions for ordering components of the EPX® series, emphasizing ease of installation with common panel cut-outs and keyed inserts to prevent mis-mating.
Conclusion
The EPX® series is a cost-effective, user-friendly solution with modular design and high-density capabilities, preferred in aerospace and defense sectors.
Modular Concept
Offers options in shell materials and accommodates various inserts for different contact types. Optional ground blocks meet FAA HIRF requirements.
Versions and Specifications
Available in EPXA and EPXB versions with different shell sizes and contact arrangements.
Rack and Panel Connectors
Intended for Line Replaceable Module applications, offering reliable and modular mounting without a locking mechanism.
Technical Characteristics
  • Electrical: EMI shielding effectiveness varies with frequency, with shell conductivity under 2.5 mΩ and operating voltage up to 500 Vdc.
  • Mechanical: Mating cycles vary by material, with vibration and shock resistance specified for different shell types.
  • Environmental: Temperature range from -65°C to +175°C, with specific conditions for composite shells.
Insert and Contact Arrangements
Various insert arrangements with specific contact sizes and types, designed for rear release and removable contacts.
Ordering Information
Instructions for ordering EPX® inserts, detailing series prefix, insert size, class, type, and keying.
Specifications
  • Locking Torque: Recommended torque for metallic shells is 1-6Nm, and for composite shells, it is 1-1Nm.
  • Shell Styles: Options include plugs, receptacles, and versions with ground blocks.
  • Shell Plating: Available in nickel-plated composite, aluminium, and weight-optimized aluminium.
  • Temperature Range: EPXB2 class M operates from -65°C to +125°C, while class J and N operate up to +175°C.
Ordering Instructions
  • Shell Selection: Based on size, style, mounting options, and plating.
  • Insert Selection: Options include environmental and non-environmental inserts, with various contact terminations.
  • Polarization Codes: Multiple coding options for customization.
Accessories
  • Includes polarization kits, dust caps, strain reliefs, and EMI backshells.
  • Specific part numbers and assembly tools provided for each accessory.
EPXB2 Series
  • Designed for weight-saving applications with a 15% reduction compared to class N.
  • Available in class M (composite) and class J (weight-optimized aluminium).
Key Notes
  • Self-locking mounting holes for rear panel mounting.
  • PC tail contacts available only in receptacles.
  • Polarization devices delivered unassembled.
Panel Cut-out Coding
EPXB connectors use a coding system to ensure correct alignment with panel cut-outs, with specific configurations for different connectors.
Polarization
Connectors include a polarization device with multiple key positions for proper alignment and connection.
Accessories and Tools
Lists various accessories and tools for assembly and maintenance, including part numbers and specifications.
EPXB2 Galley Connector
Designed for harsh conditions in galley equipment, featuring a floating mechanism to prevent jamming and ensure a sealed connection.
Assembly Kits
Details contents of receptacle and plug assembly kits, including part numbers and descriptions.
Multi-gang Connectors
Available for rack and panel applications, offering weight-saving designs and easy installation.
Contact Information
Provides contact details for Radiall offices worldwide, emphasizing customer support and accessibility.
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Catalog excerpts

EPX Series-1

SECTION 1 EPX® Series EN4644

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EPX Series-2

Our Most Important Connection is with You.™

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EPX Series-3

Contents Introduction 1-5 Disconnect applications 1-6 Rack and panel applications 1-7 EPX® SERIES Technical characteristics for disconnect connectors 1-8 - Electrical characteristics 1-8 - Mechanical characteristics 1-8 Technical characteristics for rack & panel connectors 1-9 - Electrical characteristics 1-9 - Mechanical characteristics 1-9 Technical characteristics for inserts & contact 1-10 - Electrical characteristics 1-10 Mechanical characteristics 1-11 INSERTS Insert selection table 1-12 How to order EPX® inserts 1-13 EPX® insert arrangements 1-14 to 1-16 Contacts Signal & power crimp contacts...

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EPX Series-4

EPX® SERIES Our Most Important Connection is with You.™ Contents DISCONNECT APPLICATION EPXA product overview 1-26 EPXB1 product overview 1-27 How to order EPXA & EPXB1 shell 1-28 How to order EPXA & EPXB1 assembly kit 1-29 Contacts termination for EPXB1 1-30 EPXA shell dimensions 1-31 EPXB1 shell dimensions 1-32 EPXA & EPXB1 polarization code 1-33 EPXA & EPXB1 accessories 1-34 to 1-35 EPXB2 Disconnect 1-36 EPXB2 product overview 1-37 How to order epxb2 shell 1-38 How to order epxb2 assembly kit 1-39 Contacts termination for receptacles 1-40 EPXB2 metallic shell dimensions 1-41 EPXB2 composite...

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EPX Series-5

Introduction Radiall is recognized in the Aerospace and Defense industries for offering one of the broadest innovative product portfolios for connector interconnect solutions. The benefit of our experience with ARINC connectors permits Radiall to provide customers with a strong and global solution. The EPX® series offers a wide range of solutions based on two insert sizes with a large variety of shells and contacts. This product range provides an excellent trade-off between the number of available contacts and the space used. The EPX® series is completely modular and expandable. The EPX® series...

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EPX Series-6

EPX® SERIES Our Most Important Connection is with You.™ Disconnect Application EPX® connectors (EPXA, EPXB1 and EPXB2) are specially designed to be used in cable-cable disconnect applications and PCB-cable disconnect applications. The principle of EPX® disconnect connectors is that the locking system is located on the connector itself. EPX® connectors for disconnect applications address three main needs: - Compactness: the design of the locking system allows an access from the back of the shell so that connectors can be stacked. Space can be easily saved - Modularity: connectors use similar tools...

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EPX Series-7

Rack and Panel Application In response to the need of system miniaturization and new equipment design, Radiall introduces its new rack and panel connectors dedicated to Line Replaceable Module (LRM) applications. The EPX® rack and panel connectors are intended for blind mate applications. The plug connector is designed to be used in a Line Replaceable Module (LRM) while the receptacle is installed on the aircraft rack. There is no locking mechanism on these blind mate connectors, that feature is part of the equipment interface to the aircraft. Equipment side Radiall rack and panel modules offer:...

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EPX Series-8

EPX® SERIES Our Most Important Connection is with You.™ Technical Characteristics for Disconnect Connectors ELECTRICAL CHARACTERISTICS EMI shielding effectiveness EN2591-213 Frequency (MHz) Other characteristics - Shell to shell conductivity < 2.5 mΩ, operating voltage: 400 Vrms or 500 Vdc at sea level, according to EN2591-205 - Voltage stability (ground block): Maximum variation 4mV according to SAE AS 81714 (MIL-T-81714) - Lightning stike: - 5kA - 1600V for EPX® connectors in aluminium version - 3kA - 1600V for EPX® connectors in composite version MECHANICAL CHARACTERISTICS Mating/unmating...

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EPX Series-9

Technical Characteristics for Rack & Panel Connectors ELECTRICAL CHARACTERISTICS EMI shielding effectiveness en2591-213 Frequency (MHz) Other characteristics - Shell to shell conductivity < 2.5 m Ω, operating voltage: 400 Vrms or 500 Vdc at sea level, according to EN2591-205 - Voltage stability (ground block): Maximum variation 4mV according to SAE AS 81714 (MIL-T-81714) - Lightning stike: - 5kA - 1600V for EPX® connectors in aluminium version - 3kA - 1600V for EPX® connectors in composite version EPX® SERIES Our Most Important Connection is with You.™ MECHANICAL CHARACTERISTICS Mating/unmating...

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EPX Series-10

EPX® SERIES Our Most Important Connection is with You.™ Technical Characteristics for Inserts & Contacts ELECTRICAL CHARACTERISTICS Electrical characteristics conform to SAE AS 39029 (MIL-C-39029 type A) Contacts conform to EN3155-076 and EN3155-077 Contacts Contact size Wire size NOTE: (1) Size 5 contacts are not part of SAE AS 39029 (MIL-C-39029 type A). They are qualified by Radiall to 80 Amps GROUND BLOCK CONTACT Contact with wire size Contact to mounting surface DIELECTRIC WITHSTANDING VOLTAGE EN2591-207 EIA 364-20 with leakage current < 1mΩ Level Environmental inserts voltage (VRMS) Non-environmental...

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EPX Series-11

Mechanical Characteristics Retention characteristics Contact retention EN2591-409 EIA 364-29 in terminated connectors. Contact size Retention force Ground block - Insert retention: 400N (90 lbs) EN2591-410 EIA 364-35 - Maximum insert displacement in the shell cavity: 0.30mm (.012 in.) EPX® SERIES Our Most Important Connection is with You.™ ENVIRONMENTAL CHARACTERISTICS Temperature - Temperature range: -65°C/+175°C (-85°F/+347°F) according to EIA364-32 and EN2591-305 - Temperature range: -65°C/+125°C (-85°F/+257°F) for EPXB2 composite shell and for Rack & Panel EPXB - Temperature life: 1000 hours...

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EPX Series-12

EPX® SERIES Our Most Important Connection is with You.™ Insert Selection Table Insert name should be used when ordering EPX® insert Insert code should be used when ordering kit assembly Contact Size & Type Insert code Insert name Power in Power or LuxCis® Power or fiber optic coax fiber optic coax cavity 5 Total Power contacts DISCONNECT APPLICATION RACK & PANEL APPLICATION NOTE: (1) Only contacts marked with an asterisk (*) are included with EPX® inserts All other contacts must be ordered separately (coax, twinax, quadrax and fiber optic contacts) Go online for data sheets & assembly instructions...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.