Undercurrent monitoring relay in 1P - AC by external CT

Your price
30.14 €
Your price with tax
36.47 €
In stock
Order code

PRI-35 | Undercurrent monitoring relay in 1P - AC by external CT


  • Designed to protect a motor of a pump (submersible pump) against dry running.
  • Monitor a current of a motor by means of current transformer (CT) X/5A.
  • The ISET current level and the TRIP delay can be set with potentiometers.
  • Indication of operating states by the red LED on the front panel.
  • The power supply is not galvanically separated from the monitored current terminals, terminals A2, B2 are internally connected.
  • Wiring between B1, S1 and B2, S2 must be insulated and not connected to any external voltage or ground.
  • External current transformer X/5A must be used.


Technical parameters 


  • Voltage type: AC
  • Monitored levels: undercurrent
  • Voltage range: AC/DC 24 - 240 V (AC 50 - 60 Hz)
  • Consumption (max.): 3.8 VA / 0.7 W
  • Current range (ISET): adjustable,  AC 0.5 - 5 A
  • Output type: 1x changeover (AgNi), 16 A / AC1
  • Design: 1-MODULE
  • Dimensions: 90 x 17.6 x 64 mm (3.5˝ x 0.7˝ x 2.5˝)
Documents in current location:
  • No documents

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.

Copyright © ABRA ESHOP 2015 | Contact | Business conditions | | | Downloads | About us