SVEX-JXD3 Explosion-Proof Stainless Steel Junction Box

SKU: SVEX-JXD3

Explosion-Proof Stainless Steel Junction Box offers IP68 protection and ATEX certification for hazardous zones 1, 2, 21, and 22. Durable, fiber-compatible, and corrosion-resistant.

SVEX-JXD3 Explosion-Proof Stainless Steel Junction Box ø413 mm for Hazardous Areas

The SVEX-JXD3 Explosion-Proof Stainless Steel Junction Box is engineered to protect electrical and fiber connections in high-risk industrial environments where explosive gases or dusts may be present. Certified with ATEX and IECEx approvals, this corrosion-resistant enclosure is ideal for Zone 1, Zone 2 gas environments and Zone 21, Zone 22 dust areas.

Built with 304 or 316L stainless steel, the SVEX-JXD3 ensures long-lasting reliability in challenging conditions, from petrochemical sites to marine or offshore installations. With a large internal capacity and multiple cable entry options, this junction box is the trusted choice for safe and efficient field connectivity.

Certified Safety for Hazardous Zones

The SVEX-JXD3 is fully certified for use in areas classified as hazardous due to the presence of flammable gases or combustible dusts. Its rugged design and explosion containment ensure peace of mind in the most demanding applications.

  • Explosion-Proof Marking:

    • Ex II 2G Ex db IIC T6 Gb

    • Ex II 2D Ex tb IIIC T80ºC Db

  • Zones Supported:

    • Gas Zones: 1, 2 (Group IIA, IIB, IIC, T1–T6)

    • Dust Zones: 21, 22

With IP68 ingress protection, the SVEX-JXD3 withstands complete submersion in water and resists dust intrusion, making it ideal for both indoor and outdoor use in rugged industrial environments.

Rugged Housing and Environmental Protection

  • Material: Stainless Steel 304 or 316L (corrosion-resistant)

  • IP Rating: IP68 (dust-tight, submersible)

  • Temperature Range: -40°C to +60°C (-40°F to +140°F)

  • Air Pressure Range: 80 kPa to 110 kPa

  • Relative Humidity: ≤95% (non-condensing at 25°C)

This explosion-proof junction box is ready to perform in extreme weather conditions, corrosive atmospheres, and high-moisture environments.

Electrical and Optical Fiber Integration

Designed to support modern industrial communication and control, the SVEX-JXD3 provides flexible power and signal configurations:

  • Power Conversion: AC220V to 12V

  • Optical Fiber Support: Built-in receiver for fiber signal transmission

  • Surge Protection: Optional TVS6000V protection against voltage spikes

  • Cable Thread Options: 4 pcs – M25 x 1.5 or M27 x 1.25

Whether you’re routing power, fiber optics, alarms, or control wiring, the SVEX-JXD3 ensures secure, explosion-proof termination in hazardous settings.

Ideal Applications 

The SVEX-JXD3 Junction Box is purpose-built for critical field installations that require secure cable distribution and fiber connectivity in explosion-prone zones:

  • Oil & gas refineries

  • Chemical processing plants

  • Pharmaceutical manufacturing

  • Grain and sugar mills (dust zones)

  • Offshore and marine terminals

  • Power generation sites

  • Tunnel and mining infrastructure

Dimensions and Weight

  • Outer Size: 413 × 397 × 183 mm (16.3 × 15.6 × 7.2 in.)

  • Inner Usable Space: 230 × 230 × 120 mm (9.1 × 9.1 × 4.7 in.)

  • Weight: 13.2 kg (29.1 lbs.)

This spacious interior allows for multiple device terminations, cable routing, and surge protection modules.

Key Features of the SVEX-JXD3 Explosion-Proof Stainless Steel Junction Box

  • ✅ ATEX & IECEx Certified for Zones 1, 2, 21, 22

  • ✅ IP68 Dust and Water Ingress Protection

  • ✅ Fiber-Ready with Signal Receiver Support

  • ✅ 304/316L Stainless Steel Housing for Corrosion Resistance

  • ✅ AC to DC Power Conversion

  • ✅ Multiple Threading Options: M25, M27

  • ✅ Wide Operating Temperature Range: -40°C to +60°C

  • ✅ Optional Surge Protection Available

*This is a special order item. Allow 4-6 weeks for delivery.

Weight 29.1 lbs
Dimensions 16.25 × 16.25 × 15.6 in
Accessory Type

Junction Box

Materials

Available in either 304SS or 316L

CERTIFICATE
Certificate Mark Ex II2G Ex db IIC T6 Gb, Ex II2D Ex tb IIC T80ºC Db
Certificate No. Presafe 17 ATEX 11327X, IECEx PRE 18.0010X
MECHANICAL
Housing Stainless steel 304 or 316L
IP Rating IP68
Zones Gas zone 1, 2 (IIA, IIB, IIC, T1-T6); dust zone 21, 22
Cable Thread Hole 4pcs M25 x 1.5, M27 x 1.25
ELECTRICAL
Power AC220V to 12V
Optical Fiber Receiver Signal mode fiber
Surge Protection Optional
GENERAL
Working Temperature -40 to +60ºC
Air Pressure 80Kpa to 110Kpa
Relative Humidity ≤95% (no condensation, 25ºC)
Overall Size (Diam x H) 413 x 397 x 183 (mm)
Inner Size (LxWxH) 230 x 230 x 120 (mm)
Weight 13.2kg

SVEX-JXD3 Spec Sheet

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