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SEJB Series Explosion-Proof Junction Boxes for Hazardous Environments

Engineered for explosive gas (Zones 0/1/2) and combustible dust (Zones 20/21/22) environments, the SEJB series delivers dual-environment safety with ZL102 aluminum alloy housing featuring high-pressure electrostatic coating for corrosion resistance (WF1/WF2). Its integral flameproof design isolates risks in oil refineries, chemical plants, and offshore platforms. Customizable cable entry configurations (M20x1.5 to M75x1.5) and wall/floor mounting adapt to complex installations. Supports high-current loads up to 250A (AC220-660V) with IP65-IP67 protection against dust/water ingress. Certified to Ex db IIC T4-T6 Gb/Ex tb IIIC T80°C Db (GB/IEC/EN), it ensures compliance in T1-T6 zones.



Breakthrough Safety Features of SEJB Series Explosion-Proof Junction Boxes for Hazardous Environments

  • Patented quick-lock hinge system for 60% faster maintenance

  • Self-sealing cable ports with IP67 protection (IP68 optional)

  • Corrosion-resistant coating (WF2 marine-grade standard)

  • 360° configurable entry points (M20-M75 threading)


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+86-0577-61728138
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No.8 Bailian Road, Nanmingshan Street, Liandu District, Lishui City, Jiangsu Province