Drainage Station DRP-М1

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Description Specifications Installation
Polarized Resistor Drainage Station DRP-М1 serves to protect the metallic facilities and utilities against corrosion impact underground, in the areas with stray currents from rail DC transport (trams, tube, trains).


DRP-М1-100, DRP- М1-300 and DRP-М1-500 have the following features:
  • modernized heat characteristics of drainages;
  • extended switch and flow of nominal current;
  • low turn-on voltage;
  • no need in external power supply source;
  • parallel switch of diode-resistor sections for secure operation of drainage station DRP;
  • measurement of the current running through drainage;
  • a breaker switch in current draining circuit from an object;
  • protection against overvoltages caused by atmospheric phenomena;
  • step control circuit for nominal current: for DRP-М1-100 / DRP-М1-300 from 0.1 х I nom with step 0.1 х I nom; for DRP-М1-500 from 0.07 х I nom to I nom with step 0.07 х I nom.

Design Features and Operating Conditions

  • Protection Category for current-carrying parts and against environment impact is IP34.
  • Electric shock protection class is 1 (GOST
  • It meets the fire safety requirements (GOST 12.1.004.).
  • The cables are mechanically secured when connecting to the drainages.
  • No rodents, reptiles and insects can get into the cable access holes.
  • Metal body secures the device from mechanical damages.
  • The body is covered with light powder polymer coating to increase corrosion resistance, to protect from atmospheric factors, to lower the heat from the sun.
  • The devices can work up to 50,000 hours. Service life is 20 years.
  • The locks of the outer door are vandal-proof..
DRP-М1 operates within the ambient temperature range — 45°С — +45°С, with the maximum relative humidity 98% (at +25 °С). EHZ-CENTER sells Polarized Resistor Drainages DRP-М1 with nominal currents 100, 300 and 500 Amperes. Delivery period is one week. A guide price for the Drainage DRP-М1 is from ₽ 27,000. Check the price and leave your request at 8-800-250-11-83 or send a request at ehz.center@gmail.com.
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Delivery in Aktobe

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