Flameproof 680A Plug and Socket– SPeX 680A Series

At Sensor Control LLC, we specialize in delivering certified flameproof electrical connection solutions to the most demanding industrial sectors across the UAE. Among our premier offerings is the SPeX Series 680A single-pole connector, designed for extreme power needs and hazardous area operations, compliant with international safety standards.

Manufactured by Marechal Electric, the SPeX system supports currents up to 680A and voltages up to 1000V AC/DC, offering a reliable, robust, and explosion-proof connection solution in Zone 1, Zone 2 (gas) and Zone 21, Zone 22 (dust) environments.

Technical Overview – SPeX 680A Connector System

The SPeX series represents a new generation of flameproof single-pole plugs and sockets made to handle high-power transfer while ensuring the highest safety levels.

• • Rated Current: Up to 680A
  • Voltage Range: 1000V AC / 1000V DC
  • Cable Size Support: 70 mm² to 400 mm²
  • Protection Ratings: IP65 / IP66 (connected), IP2X (cap removed)
  • Impact Resistance: IK08
  • Operating Temperature: -20°C to +60°C
  • Short-Circuit Withstand: 20kA for 250ms
  • Temperature Classes: T5/T6/T76 depending on cable and ambient conditions

Certification:

• • ATEX & IECEx (Ex e IIC Gb, Ex tb IIIC Db)
  • Bureau Veritas Marine Approved
  • RoHS & REACH Compliant

This system is ideal for energy distribution systems that require secure, separate contact connections—supporting applications like heavy equipment, generator connections, and industrial switchgear.

Safety and Certification

Safety is embedded in every element of the SPeX design. Certified for explosive gas and dust atmospheres, this series is compliant with the latest versions of:

• IEC/EN 60079-0, 60079-7, and 60079-31 standards
• CE marking under ATEX and RoHS directives
• Marine Specifications from Bureau Veritas
• CSA/UL certifications for North America

Safety features include:

• Electromechanical Interlocking: Prevents live disconnection.
• IP2X Socket-Outlets: Safe to touch even when the plug is removed.
• Visual and Mechanical Keying: Prevents cross-connection of L1, L2, L3, N, E, and DC.
• Automatic IP65/IP66 Sealing: Activates when the plug is connected.
• Pilot Contact Control Circuit: Prevents improper connections and ensures the load is safely broken before disconnection.

Modular & Installation Flexibility

The SPeX system is designed for flexible, customizable deployment across complex industrial layouts.

Available Options:

• • Inclined Socket-Outlets (30° angle)

  • Straight Plug Designs (without lugs)

  • Lug Types: Threaded or straight—with crimping options from 70 mm² to 630 mm²

  • Cable Entry Options:

    • Sizes from 16–63 mm

    • Matching lugs and crimping dies provided

  • Color Coding by Region:

    • Europe: Brown (L1), Black (L2), Grey (L3), Blue (N), Green (E)

    • USA: Black (L1), Red (L2), Blue (L3), White (N), Green (E)

    • Australia: Red, White, Blue, Black, Green

Accessories include:

• Locking pins (supports up to 2 padlocks)
• Separate lever mechanisms for safe engagement/disengagement
• Protective caps and draw bases for portable systems

Ideal Applications in Hazardous Environments

The SPeX 680A flameproof connectors are ideal for high-energy, high-risk industries, including:

• • Oil & Gas Facilities (refineries, tank farms, gas processing)
  • Offshore Platforms and Marine Terminals
  • Mining and Tunneling Projects
  • Power Generation Plants and Grids
  • Chemical & Pharmaceutical Manufacturing
  • Temporary or Mobile Power in Hazardous Zones

Thanks to their resistance to heat, dust, water, and vibration, these connectors provide consistent performance in even the harshest industrial conditions.

Why Choose Sensor Control LLC?

As a trusted name in UAE’s electrical safety landscape, Sensor Control LLC brings:

• Stock Availability: Readily available SPeX connectors, accessories, and cables
• Installation Support: Assistance with sizing, lug selection, wiring, and interlocks
• Certified Products: All solutions meet ATEX, IECEx, CE, and Marine standards
• Custom Projects: Tailored kits for your site needs, from 70A to 680A

Whether you’re upgrading an offshore power line, installing temporary power at a refinery, or managing heavy-load mobile equipment, our team ensures safety and performance every step of the way.