Flameproof distribution box type OSR*.* is intended for connection and bran- ching of electric circuits lead using cab- tyre conductors or cables. It is equipped with cable inlets and connection termi- nals. OSR *.* box is intended for opera- tion in zones where methane and/or coal dust (group I) explosion hazard is present, and in zones where gas and dust included in group IIA are present. Enclosure of distribution box is an auto- nomous cover in flameproof execution. Thanks to a compact and massive con- struction it can be used in harsh opera- tion conditions without necessity to use additional mechanical covers.Cable inlets are fastened on two opposi- te walls of flameproof distribution box.
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