Flame-proof control cassette OKS-1/2/3/4_ (500V, 6A)

Flame-proof control cassette is destined 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 IIB. Control cassette can be used for steering in electrical circuit for rated voltage max 500V (OKS-23 – only intrinsically safe circuit ia or ib – rated voltage up 24V AC). Flame-proof control cassette type OKS it can be in one set max 3 pieces with PP-62 type 1, PP-64 type 1, PP-62A, OŁK-10 type 1, OSZ-25, OSP-6 type 1, SR-6 type 1, SR-16 type 1 OSP-16 type 1, OKS-.