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F-NR3-Ex1 NAMUR Resistor Network

Key Benefits at a Glance

  • 1-channel
  • Dry contact input
  • For line fault detection (LFD)
Note

All product-related documents, such as certificates, declarations of conformity, etc., which were issued prior to the conversion under the name Pepperl+Fuchs GmbH or Pepperl+Fuchs AG, also apply to Pepperl+Fuchs SE.

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  • PL

Technical data of F-NR3-Ex1

NAMUR Resistor Network
Rated voltageUrmax. 30 V DC
Resistor1.5 kΩ/0.5 W
10 kΩ/0.5 W
Suitable field devices
Field devicevolt-free contact
Error detectionlead breakage, short circuit, open switch, closed switch
Ambient temperature-40 ... 60 °C (-40 ... 140 °F)
Degree of protectionIP20
Connectionscrew terminals
Core cross section0.5 ... 1.5 mm2 , rigid or flexible
Cable0.5 mm2 x 150 mm
Massapprox. 10 g
Dimensions35 x 16 x 15 mm (1.38 x 0.63 x 0.59 inch)
Width16 mm
Depth15 mm
Length35 mm
Tightening torque0.5 ... 0.6 Nm
Certificatesee EU Declaration of Conformity
Temperature classT5 / T6
VoltageUi30 V
PowerPi0.5 W (T5) / 0.2 W (T6 up to 50 °C) / 0.1 W (T6 up to 60 °C)
Ambient temperaturemax. 60 °C (max. 140 °F)
Internal capacitanceCinegligibly small
Internal inductanceLi negligibly small
Supplementary informationObserve the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com.