Serviceline Industrial Sensors
Serviceline Explosion Protection

NAMUR Resistor Network F-NR2-Ex1

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

Please 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, also apply to Pepperl+Fuchs AG.

Download the complete datasheet as a PDF:

Datasheet excerpt: Technical data of  F-NR2-Ex1

Product Description
NAMUR Resistor Network
Rated voltagemax. 20 V DC
Electrical specifications
Resistor1.5 kΩ/0.6 W
10 kΩ/0.6 W
Ambient conditions
Ambient temperature-20 ... 60 °C (-4 ... 140 °F)
Mechanical specifications
Degree of protectionIP20
Connectionscrew terminals
Core cross-sectionmax. 1.5 mm2
Cable0.75 mm2 x 150 mm
Massapprox. 20 g
Dimensions∅15.5 x 35 mm (0.61 x 1.38 inch)
Data for application in connection with hazardous areas
CertificateDOC-0053 , see instruction manuals
Temperature classT5
Voltage Ui20 V
Power Pi0.6 W
Ambient temperature60 °C (140 °F)
Internal capacitance Ci0 F
Internal inductance Li 0 H
General information
Supplementary informationObserve the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see

Documents: F-NR2-Ex1

Instruction leafletsLanguageFile TypeFile Size
Operating instructions F-NR*-Ex1 / Betriebsanleitung F-NR*-Ex1ALLPDF69 KB

Approvals+Certificates: F-NR2-Ex1

Statements of complianceCertificate No.File TypeFile Size
Declaration of Conformity Simple Apparatus / Konformitätserklärung Einfaches BetriebsmittelDOC-0053PDF47 KB
EAC NANIO "CCVE" EAC TP TC 012/2011TC RU C-DE.AA87.B.00210PDF1396 KB