KFD2-ER-Ex1.W.LB Conductive Switch Amplifier

Key Benefits at a Glance

1-channel isolated barrier
24 V DC supply (Power Rail)
Level sensing input
Adjustable range 1 kΩ ... 150 kΩ
Relay contact output
Fault relay contact output
Adjustable time delay up to 10 s
Minimum/maximum control
Line fault detection (LFD)

Product photo: Conductive Switch Amplifier KFD2-ER-Ex1.W.LB

Wiring Diagram: Conductive Switch Amplifier KFD2-ER-Ex1.W.LB

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.

Datasheet Function Classification Informative Literature Product Documentation Design / Simulation Approvals Related Products

Technical data of KFD2-ER-Ex1.W.LB

Signal type

Digital Input

Connection		Power Rail or terminals 14+, 15-
Rated voltage	U_r	20 ... 30 V DC
Rated current	I_r	30 ... 40 mA

Connection side		field side
Connection		terminals 1 (mass), 2 (min), 3 (max)
Control input		min./max. control system: terminals 1, 2, 3 on/off control system: terminals 1, 3
Response sensitivity		1 ... 150 kΩ , adjustable via potentiometer

Connection side		control side
Connection		terminals 7, 8, 9; 10, 11, 12
Switching power		max. 192 W , 2000 VA
Output		signal ; relay
Contact loading		253 V AC/2 A/cos φ > 0.7; 40 V DC/2 A resistive load
Time constant for signal damping		0.5 s, 2 s, 5 s, 10 s

Input/Output		reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 V_eff
Input/power supply		reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 V_eff
Output/power supply		reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 V_eff

Display elements		LEDs
Control elements		DIP switch potentiometer
Configuration		via DIP switches via potentiometer
Labeling		space for labeling at the front

Electromagnetic compatibility

Directive 2014/30/EU

EN 61326-1:2013 (industrial locations)

Low voltage

Directive 2014/35/EU

EN 61010-1:2010

Electromagnetic compatibility		NE 21:2006
Degree of protection		IEC 60529:2001

Ambient temperature

-20 ... 60 °C (-4 ... 140 °F)

Degree of protection

IP20

Connection

screw terminals , max. 2.5 mm²

Mass

approx. 150 g

Dimensions

20 x 119 x 115 mm (0.8 x 4.7 x 4.5 inch) (W x H x D) , housing type B2

Height		119 mm
Width		20 mm
Depth		115 mm

Mounting

on 35 mm DIN mounting rail acc. to EN 60715:2001

EU-type examination certificate

DMT 00 ATEX E 033

Marking		II (1)G [EEx ia] IIC [circuit(s) in zone 0/1/2]
Input		[EEx ia] IIC
Voltage	U_o	10 V
Current	I_o	2.5 mA
Power	P_o	6 mW

Supply

Maximum safe voltage

U_m

40 V DC (Attention! U_m is no rated voltage.)

Output

Contact loading

253 V AC/2 A/cos φ > 0.7; 40 V DC/2 A resistive load

Galvanic isolation

Input/Output		safe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V
Input/power supply		safe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V

Directive conformity

Directive 2014/34/EU

EN 60079-0:2012+A11:2013, EN 60079-11:2012

Supplementary information

Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com.

General Notes