Flame-proof track type OSzP-ROK


Ognioszczelny szynoprzewód typu OSzP-ROK








The flameproof busbar of the OSzP-ROK type is intended for connecting the power supply of the ROK-6 flameproof distribution bays into distribution sets of any size. The track is made as a welded structure of steel elements.

Technical data

Dimensions250 x 450 [mm] (1150 mm with wires)
Mass27 [kg]
Ambient temperature-20oC to +40oC
Level of securityIP54
Height above sea level-1000÷1000 [m]
Work locationany
Cable usedshielded cable PROTOLON NTMGCWOEU 1×150/25 KON 3,6/6kV
Current carrying capacity at 30oC549 [A]


The main elements of the track are:

  • two bodies with internal sealing ring seats
  • pressure rings
  • sealing rings
  • pressure sleeves.

The busbar body together with the pressure sleeves are connected with each other by a sleeve-shaped steel sheet cover, which stiffens and covers the conductors led through the busbar.

The busbar is fastened to the device with M16 screws. If the busbar is not introduced into the device, plugs type ZGKP-ROK are provided. 

There is a flameproof cylindrical-flange joint between the flange and the flameproof enclosure of the device.


On July 18, 2012 The flameproof OSzP-ROK busbar has received a certificate supplementing the WE type examination: KDB 06ATEX237U/3

The flameproof OSzP-ROK track has an WE type examination certificate: KDB 06ATEX237U from 25.09.2006r.

Central Mining Institute, Notified Body No. 1453 in accordance with Article 9 of Directive 94/9 / EC of 23 March 1994, confirms that the part or subassembly being the subject of this certificate meets the essential health and safety requirements for the design and construction of protective equipment and systems intended for use in potentially explosive atmospheres listed in Annex 2 to Directive 94/9 / EC (Chapter 2 of the Ordinance of the Minister of Economy of December 22, 2005, Journal of Laws No. 263, item 2203)

The basic requirements of safety and health protection were implemented by meeting the requirements of the following standards:

  • PN-EN 60079-0:2009
  • PN-EN 60079-1:2010

The flameproof busbar of the OSzP-ROK type has the following marking:

I M2 Ex d I Mb


Download the catalog card:

Fireproof track type OSzP-ROK

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