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Elko HRN-43 Three Phase Monitoring Voltage Relay (without neutral) for 3x400V circuits


  • DIN Rail mounting Electronic timing relay
  • Selectable functions:-
  • 3 phase AC Mains Montoring Relay
  • Under/over voltage
  • Phase asymmetry
  • Phase sequence
  • Phase failure
  • Memory function for manual reset
  • x2 Changeover contacts 16A/250V (AC1)


Monitoring voltage relay, 3-phase HRN-43 for circuits 3 x 400V (without neutral)
Galvanically separated supply AC 230V, AC 400 or AC/DC 24V, memory, adjustable hysteresis and delay, 2 x independent output monitoring 3-phase mains:

- voltage in 2 levels 160…276 V (3 x 400/230V) or 280…480V (3 x 400 V)
- phase asymmetry
- phase sequence
- phase failure

Function “MEMORY” - manual reset, “RESET” button on front pannel
2 output relays, selectable function of 2nd relay (independent / parallel)
Fixed (t1) and adjustable (t2) delay to eliminate short voltage drops and peaks
Galvanically separated supply voltage AC 400V, AC 230V, AC/DC 24 V
Output contact: 2 x changeover 16A / 250V AC1
3-MODULE, DIN rail mounting

Additional Information

Manufacturer Elko
Product Name / Options Price (ex VAT)
HRN-43 Aux 230Vac Call for Prices

HRN-43 Aux 400Vac Call for Prices

HRN-43 Aux 24Vac/dc Call for Prices