Pepperl Fuchs KFD2-WAC2-Ex1.D

Q: When can KFD2-WAC2-Ex1.D be shipped?

KFD2-WAC2-Ex1.D is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.

Q: Can I pick up KFD2-WAC2-Ex1.D in person?

Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.

Q: Is express delivery available?

Yes — mention it when you request a quote for KFD2-WAC2-Ex1.D and we'll include express shipping options in our reply.

Q: My factory is down and I need this urgently — can you help?

For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for KFD2-WAC2-Ex1.D, subject to availability and destination.

Strain Gauge Converter

MPN: KFD2-WAC2-Ex1.D
Category: K-System (DIN Rail Mounting)

Price and lead time confirmed within 1 business day

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What is the Pepperl Fuchs KFD2-WAC2-Ex1.D?

1-channel isolated barrier

24 V DC supply (Power Rail)

Strain gauge input (full or half bridge)

Output 0 mA ... ± 20 mA or 0 V ... ± 10 V

2 relay contact outputs

Programmable high/low alarm

Configurable by PACTware or keypad

RS-485 interface

Line fault detection (LFD)

1-channel isolated barrier, 24 V DC supply (Power Rail), Strain gauge input (full or half bridge), Output 0 mA ... ± 20 mA or 0 V ... ± 10 V, 2 relay contact outputs, Programmable high/low alarm, Configurable by PACTware or keypad, RS-485 interface, Line fault detection (LFD), Housing width: 40 mm, Number of channels: 1-channel, Trip relay, Rated voltage: 20 ... 35 V DC, Field device: strain gauge bridge, Type: 2 x relay (change-over contact), Signal: 1 x -20 ... 20 mA

Specifications

General specifications

Order code (Pepperl+Fuchs part number)	231221
Signal type	Analog input
Lifecycle	Active (current Pepperl+Fuchs product)

Supply

Connection	Power Rail or terminals 23+, 24-
Rated voltage	20 ... 35 V DC Ur
Ripple	within the supply tolerance
Power consumption	max. 3 W

Interface

Connection	Power Rail or terminals 19+, 20 GND, 21-
Type	RS-485
Programming interface	programming socket

Field circuit

Connection	terminals 1+, 2-, 3+, 4-, 5+, 6-
Lead resistance	max. 25 Ω per line
Input I: Connection	terminals 1+, 2-
Sensor supply	1 ... 5 V
Connection	terminals 3+, 4- (supply); 5+, 6- (signal)
Short-circuit current	50 mA
Load	≥ 116 Ω up to 5V, ≥ 85 Ω up to 4V

Input

Connection side	field side
Connection	Input I: terminals 1+, 2-; Input II: terminals 13+, 14-; Input III: terminals 15+, 14-
Programmable Tare	0 ... 500 % of span
Input I	Signal, analog
Input signal	-100 ... 100 mV
Input resistance	> 1 MΩ for voltage measurement
Input II, III	tare adjustment, calibration and zero
Open circuit voltage/short-circuit current	18 V / 5 mA
Active/Passive	I > 4 mA/I < 1.5 mA

Output

Connection side	control side
Connection	Output I: terminals 10, 11, 12; Output II: terminals 16, 17, 18; Output III: terminals 7-, 8+, 9-
Output I, II	Relay output
Contact loading	253 V AC/2 A/500 VA/cos φ min. 0.7; 40 V DC/2 A resistive load
Mechanical life	2 x 107 switching cycles
Output III	Analog output
Current range	-20 ... 20 mA
Load	max. 550 Ω
Analog voltage output	0 ... ± 10 V; output resistance 500 Ω (bridge between terminal 7 and 9)
Analog current output	0 ... ± 20 mA or 4 ... 20 mA; load 0 ... 550 Ω (terminals 7 and 8)
Line fault detection	downscale -21.5 mA (-10.75 V) or 2 mA (1 V), upscale 21.5 mA (10.75 V)
Collective error message	Power Rail

Transfer characteristics

Deviation: Resolution/accuracy	≤ ± 0.05 % incl. non-linearity and hysteresis
Deviation: Temperature effect	≤ ± 0.01 %/K
Reaction time	300 ... 850 ms

Galvanic isolation

Input I/other circuits	reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Output I, II against eachother	reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Output I, II/other circuits	reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Output III/Input II, III	not available
Output III/Programming socket	not available
Other circuits from each other	functional insulation, rated insulation voltage 50 Veff

Indicators/settings

Display elements	LEDs , display
Control elements	Control panel
Configuration	via operating buttons via PACTware
Labeling	space for labeling at the front

Directive conformity

Electromagnetic compatibility: Directive 2014/30/EU	EN 61326-1:2013 (industrial locations)
Low voltage: Directive 2014/35/EU	EN 61010-1:2010

Conformity

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

Ambient conditions

Ambient temperature

-20 ... 60 °C (-4 ... 140 °F)

Mechanical specifications

Degree of protection	IP20
Connection	screw terminals
Mass	approx. 250 g
Dimensions	40 x 119 x 115 mm (1.6 x 4.7 x 4.5 inch) (W x H x D) , housing type C2
Height	119 mm
Width	40 mm
Depth	115 mm
Mounting	on 35 mm DIN mounting rail acc. to EN 60715:2001

Data for application in connection with hazardous areas

EU-type examination certificate	TÜV 04 ATEX 2531
Marking	II (1)G [Ex ia Ga] IIC [exsign] II (1)D [Ex ia Da] IIIC [exsign] I (M1) [Ex ia Ma] I
Supply	Power Rail or terminals 23+, 24- non-intrinsically safe
Maximum safe voltage	40 V DC (Attention! Um is no rated voltage.) Um
Input I	terminals 1+, 2- Ex ia IIC, Ex iaD
Voltage Uo	14 V
Current Io	238 mA
Power Po	833 mW (linear characteristic)
Input II and III	terminals 13+, 14-; 15+, 14- non-intrinsically safe
Maximum safe voltage Um	40 V DC (Attention! Um is no rated voltage.)
Output I, II	terminals 10, 11, 12; 16, 17, 18 non-intrinsically safe
Maximum safe voltage	253 V AC / 40 V DC (Attention! Um is no rated voltage.) Um
Contact loading	253 V AC/2 A/500 VA/cos φ min. 0.7; 40 V DC/2 A resistive load
Output III	terminals 7-, 8+, 9- non-intrinsically safe
Maximum safe voltage Um	40 V DC (Attention! Um is no rated voltage.) Um
Interface	RS 485 programming jack
Maximum safe voltage	40 V DC (Attention! Um is no rated voltage.) Um
Galvanic isolation: Input I/other circuits	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

International approvals

FM approval: Control drawing	116-0302 (cFMus)
UL approval	E223772
IECEx approval: IECEx certificate	IECEx TUN 06.0005
IECEx approval: IECEx marking	[Ex ia Ga] IIC , [Ex ia Da] IIIC , [Ex ia Ma] I

General information

Supplementary information

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

Downloads & documentation

Official documents from Pepperl Fuchs, downloaded directly from the manufacturer.

Data sheets & manuals

CAD & dimension drawings

Certificates (8)

KFD2-WAC2-Ex1.D: frequently asked questions

When can KFD2-WAC2-Ex1.D be shipped?

KFD2-WAC2-Ex1.D is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.

Can I pick up KFD2-WAC2-Ex1.D in person?

Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.

Is express delivery available?

Yes — mention it when you request a quote for KFD2-WAC2-Ex1.D and we'll include express shipping options in our reply.

My factory is down and I need this urgently — can you help?

For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for KFD2-WAC2-Ex1.D, subject to availability and destination.