Product Detail Manual

2016-10-27

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NAMUR Resistor Network

F-NR2-Ex1

Ø15.5

Dimensions

27
150

35

Technical data
Supply
Rated voltage
Electrical specifications
Resistor

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

Function
The NAMUR Resistor Network is used
to monitor lead breakage and short
circuit detection in switch amplifier
circuits controlled by mechanical
contacts.
The component is installed directly to
the control contact or inside its terminal
box.

max. 20 V DC
1.5 kΩ/0.6 W
10 kΩ/0.6 W

Ambient conditions
Ambient temperature
Mechanical specifications
Protection degree
Connection
Cable
Mass
Dimensions
Data for application in connection
with Ex-areas
Statement of conformity
Temperature class
Voltage
Ui
Power
Pi
Ambient temperature
Internal capacitance
Ci
Internal inductance
Li
General information
Supplementary information

-20 ... 60 °C (-4 ... 140 °F)
IP20
screw terminals , Wire cross section: ≤1.5 mm2
0.75 mm2 x 150 mm
approx. 20 g
Ø15.5 x 35 mm (0.61 x 1.38 in)

T5
20 V
0.6 W
60 °C (140 °F)
0F
0H
Statement of Conformity, Declaration of Conformity,
Attestation of Conformity and instructions have to be
observed where applicable. For information see
www.pepperl-fuchs.com.

Electrical connection

Release date 2013-11-13 13:45

Date of issue 2013-11-13

258188_eng.xml

The component can be used with all
switch amplifiers featuring line fault
detection.

F-NR2-Ex1
1+

+
1.5 kΩ
10 kΩ

2-

-

Zone 1, 2

Refer to "General Notes Relating to Pepperl+Fuchs Product Information".
Pepperl+Fuchs Group
USA: +1 330 486 0002
Germany: +49 621 776 2222
www.pepperl-fuchs.com
pa-info@us.pepperl-fuchs.com
pa-info@de.pepperl-fuchs.com

Singapore: +65 6779 9091
pa-info@sg.pepperl-fuchs.com

1
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