Flameproof junction box OSP-240/120 (6000V, 400A)
Flameproof connecting box is designed for use in underground coal mines in excavations of methane explosion hazard class a, b, or c, or coal dust explosion hazard class A or B and zones 1 and/or 2 of explosion hazard group IIA. Flameproof junction box type OSP-240/120 is designed for connection one wire (working conductor cross-section max 240mm²) and execution offshoot two wires (cross-section max 120mm²) in bus-supply network 6 kV (or execution two mining electrical power engineering wire).