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Dehn + Sohne - Live Working Cleaning Equipment


TRS NS Dry Cleaning Kit (Nominal voltages up to 1000 V / 15 ... 60 Hz)

  For indoor and outdoor installations
  Equipment for suction cleaning under live conditions
  For dry cleaning of cable distribution cabinets, open indoor installations and control cabinets
  Specially adapted operating heads for inten - sive cleaning
  Plug-in coupling system allows fast replacement of operating heads
  Regulation of intake air in the handle area

Requirements - Cleaning work up to 1000 V must be carried out under supervision of a qualified electrician according to EN 50110-1 "Operation of electrical installations - Minimum Requirements". In Germany TRS NS dry cleaning kits are subject to BGV A3 of the national accident prevention regulations (UVV) "Elektrische Anlagen und Betriebsmittel" [Electrical installations and equipment] stipulated by the German Employer's Liability Association for the energy, textile, electrical and media product sector (BGETEM).

Part Numbers

  TRS NS - 785 502



Live cleaning of a low-voltage switchgear installation using the TRS NS dry cleaning kit


TRS MS Dry Cleaning Kit (Nominal voltages up to 36 kV / 15 ... 60 Hz)

  For indoor and outdoor installations
  Equipment for live cleaning by means of suction
  For dry cleaning of transformers and switch - gear installations
  Transparent intake tubes ensure enhanced safety
  Specially adapted operating heads for intensive cleaning
  Plug-in coupling system allows fast replacement of operating heads

Requirements - Cleaning work from 1 to 36 kV must be carried out under supervision of a qualified electrician according to EN 50110-1 "Operation of electrical installations - Minimum Requirements", observing clauses 6.3.1 to 6.3.12. In Germany TRS MS dry cleaning kits are subject to BGV A3 and BGR A3 of the national accident prevention regulations (UVV) "Elektrische Anlagen und Betriebsmittel" [Electrical installations and equipment] stipulated by the German Employer's Liability Association for the energy, textile, electrical and media product sector (BGETEM).

Part Numbers

TRS MS Dry Cleaning Kit

  TRS MS - 785 100

TRS MS V1 Dry Cleaning Kit

  TRS MS V1 - 785 112



Live cleaning of a transformer using the TRS MS dry cleaning kit


FRS ZK MS Damp Cleaning Kit (Nominal voltages up to 36 kV / 15 ... 60 Hz)

  For indoor and outdoor installations
  Damp cleaning equipment for use under live conditions with special cleaning liquid
  Universal gear coupling for replacing and adjusting the angle of operating heads
  Rigid and flexible plug-in operating heads allow fast and easy replacement of the sponges

Application - Damp sponges allow to remove tough pollution layers and to clean oily transformer surfaces. Special insulating cleaning liquids (e.g. Rivolta SLX 500; SLX TOP or SLX Super from Bremer & Leguil, Duisburg/Germany, and Florin 2000 from Flore, Koblenz/Germany) must be selected according to the rated voltage of the installation and the environmental conditions.

Requirements - Cleaning work from 1 to 36 kV must be carried out under supervision of a qualified electrician according to EN 50110-1 "Operation of electrical installations - Minimum Requirements", observing clauses 6.3.1 to 6.3.12. In Germany FRS ZK MS damp cleaning kits are subject to BGV A3 and BGR A3 of the national accident prevention regulations (UVV) "Elektrische Anlagen und Betriebsmittel" [Electrical installations and equipment] stipulated by the German Employer's Liability Association for the energy, textile, electrical and media product sector (BGETEM).

Part Numbers

  FRS ZK MS - 785 940



Damp cleaning of a transformer using the FRS ZK MS damp cleaning kit


TFRS MS Combined Cleaning Kit (Nominal voltages up to 36 kV / 15 ... 60 Hz)

  For indoor and outdoor installations
  Combined dry and damp cleaning kit for cleaning under live conditions
  Transparent intake tubes ensure enhanced safety
  Specially adapted operating heads for intensive cleaning
  Universal gear coupling for replacing and adjusting the angle of operating heads
  Rigid and flexible plug-in operating heads allow fast and easy replacement of the sponges

Application - Dry cleaning work is performed by suction cleaning with operating heads or brushing soiled parts of the installation while simultaneously sucking the dirt away. Loose dust layers and cobwebs are easily removed with little effort. Damp cleaning eliminates oily and tough contaminants with the help of sponges soaked with special insulating cleaning liquids.

Requirements - Cleaning work from 1 to 36 kV must be carried out under supervision of a qualified electrician according to EN 50110-1 "Operation of electrical installations - Minimum Requirements", observing clauses 6.3.1 to 6.3.12. In Germany TFRS MS combined cleaning kit are subject to BGV A3 and BGR A3 of the national accident prevention regulations (UVV) "Elektrische Anlagen und Betriebsmittel" [Electri - cal installations and equipment] stipulated by the German Employer's Liability Association for the energy, textile, electrical and media product sector (BGETEM).

Part Numbers

  TFRS MS - 785 950



TFRS MS combined cleaning kit used for dry and damp cleaning of a transformer under live conditions


NFG MS Refilling Device (Nominal voltages up to 36 kV / 15 ... 60 Hz)

  For indoor and outdoor installations
  Equipment for refilling hot HT mass into paperinsulated mass-impregnated cables under live conditions
  Safe, fast and easy refilling procedure
  Transparent insulating refilling lance ensures enhanced safety

Design - The refilling device consists of a pumping unit with a reservoir, regulated heating and pump as well as an insulating refilling lance. The oil reservoir can be removed for easy transport and can be sealed with a cover. The pump and the insulating refilling lance are connected by means of a temperature- resistant, removable and highly flexible refilling hose and a pump control cable (Ein [On]/Aus [Off] circuit). All components are arranged on a transport vehicle (with additional support brackets), suitable for mounting.

When working under live conditions, the screw plugs of cable sealing ends are removed and replaced with an insulated screw driver.

Special plastic screw plugs can be used for sealing the cable ends.

Requirements - The refilling device is to be used under supervision of a qualified electrician according to EN 50110-1 "Operation of electrical installations - Minimum Requirements", observing clauses 6.3.1 to 6.3.12. In Germany NFG MS refilling devices are subject to BGV A3 and BGR A3 of the national accident prevention regulations (UVV) "Elektrische Anlagen und Betriebsmittel" [Electrical installations and equipment] stipulated by the German Employer's Liability Association for the energy, textile, electrical and media product sectors (BGETEM).

Part Numbers

  NFG MS - 785 260



Refilling of hot HT mass under live conditions


MS Screw Driver Set (Nominal voltages up to 36 kV / 15 ... 60 Hz)

  For indoor and outdoor installations
  For loosening and tightening the screw plugs of cable sealing ends under live conditions
  With interchangeable operating heads (straight and angled)

Application - The insulated screw driver with interchangeable operating heads (straight and angled) for attaching special bits and screw plugs allows to loosen or tighten the screw plugs of cable sealing ends under live conditions. Only tested bits (screw plug blade inserts) and special screw plugs may be used.

Requirements - Maintenance work from 1 to 36 kV must be carried out under supervision of a qualified electrician according to EN 50110-1 "Operation of electrical installations - Minimum Requirements", observing clauses 6.3.1 to 6.3.12. In Germany MS screw drivers are subject to BGV A3 and BGR A3 of the national accident prevention regulations (UVV) "Elektrische Anlagen und Betriebsmittel" [Electrical installations and equipment] stipulated by the German Employer's Liability Association for the energy, textile, electrical and media product sectors (BGETEM).

Part Numbers

  SDS KEV MS - 785 265



Loosening the locking screw using the MS insulated screw driver


Special Screw Plugs (Nominal voltages up to 36 kV)

  For indoor and outdoor installations
  For sealing cable sealing ends
  For use with operating heads of type AK SD
  With safety plug-in system
  UV-resistant

Part Numbers

Special Screw Plug (F & G)

  VS F&G M22 F - 785 281

Special Screw Plug (Köttgen)

  VS KOET M10 - 785 282

Special Screw Plug (Raychem)

  VS RAY M14 - 785 283

Special Screw Plug (GOW)

  VS GOW M12 - 785 284



Screwing a special screw plug into a cable sealing end using an angled operating head


Voltage Detecting Systems Brochure

Please note - Product designs and specifications are subject to change without notice. The user is responsible for determining the suitability of this product.

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Keison International Ltd. trading as:
Keison Products, VoIPon Solutions & 4Gon
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