SUM, s.r.o.
Elektricke zarizeni nonstop servis Praha




GAIA Series, Single Phase, 1/2/3 kVA

  • electric material trade, cables and light fittings, switches and sockets, frequency converters, overvoltage protection
  • telephone exchange, VoIP gateways and routers, telephone apparatuses, VoIP phones, walkie-talkies and handheld transceivers, radio transmitters, wireless stations
  • heavy current distribution systems, electrical wiring, wiring repairs, electrical equipment service, door bell wiring, intercom wiring, preparation of CATV wiring, Internet connection preparation
  • concrete pipes, concrete pavements, concrete paving stones, concrete mixes, concrete fences, concrete reinforcement, concrete round blocks
  • interior steel structure construction, steel structure anchoring, steel structure assembly


Czech Companies:    

Electrical work

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Products made of concrete

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Steel structures and metal stairs

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Telecommunications equipment

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Wiring material

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