Voltage monitoring relay in 3P with fixed levels

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34.36 €
Your price with tax
41.58 €
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HRN-55 | Voltage monitoring relay in 3P with fixed levels

  • Relay monitors phase sequence and failure, exceeding of monitored voltage in 3-phase main.
  • HRN-55: supply from all phases, which means that function of relay is applicable also if 1-phase fails.
  • HRN-55N: supply L1, L2, L3-N, it means that relay also monitors break of neutral point.
  • Fixed delay T1 (500 ms) and adjustable delay T2 (0.1 - 10 s).

Technical parameters

  • Phase failure: Yes
  • Phase sequence: Yes
  • Overvoltage: x (fixed)
  • Undervoltage: x (fixed)
  • Asymmetry: x
  • Monitored range: AC 3 x 300-500 V
  • Supply voltage: 1x CO, 8 A
  • Housing: 1-MODULE
  • Power supply: from monitored voltage
  • Dimensions: 90 x 17.6 x 64 mm (3.5˝ x 0.7˝ x 2.5˝)


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ELKO EP, s.r.o., Holešov

We develop, manufacture and deliver complete solutions for your electrical wiring. Czech company with more than 23-year tradition is a brand iNELS Smart Home Solution. One of the most comprehensive solutions on the market brings together wireless solutions and intelligent bus wiring. With this system you control heating, air conditioning, lighting and everything is perfectly secure. We are here for you from design to implementation and configure the system, thanks to our team of trained experts and partners.

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