How Does Explosion-Proof Cast Aluminum Junction Box Meet IP66+EXd Certification?
In extreme scenarios like hydrogen leakage risks in chemical plants, frequent short circuits in PV power plants due to heavy rain, and salt spray corrosion of coastal equipment, the explosion-proof cast aluminum junction box with IP66 waterproof + EXd IIC T6 explosion-proof dual certification has become a key safeguard for industrial equipment safety. This article deeply dissects 3 core technologies of Bsumwell’s product: One-piece die-cast aluminum molding (impact-resistant IK08, 1000+ hours salt spray test without corrosion); Triple-sealing system (EPDM rubber seals resistant to -40℃~120℃, IP66 waterproof pass rate 98.7%); Rigorous EXd certification testing (100 spark ignition tests with zero failure, surface temperature ≤85℃ meeting T6 class).
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