Pepperl Fuchs KFD2-SH-Ex1

Switch Amplifier

MPN: KFD2-SH-Ex1
Category: K-System (DIN Rail Mounting)

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What is the Pepperl Fuchs KFD2-SH-Ex1?

1-channel isolated barrier

24 V DC supply (Power Rail)

Input for approved dry contacts or SN/S1N sensors

Relay contact output

Fault indication output

Line fault detection (LFD)

Up to SIL 3 acc. to IEC/EN 61508

Up to PL d acc. to EN/ISO 13849

1-channel isolated barrier, 24 V DC supply (Power Rail), Input for approved dry contacts or SN/S1N sensors, Relay contact output, Fault indication output, Line fault detection (LFD), Up to SIL 3 acc. to IEC/EN 61508, Up to PL d acc. to EN/ISO 13849, Housing width: 40 mm, Number of channels: 1-channel, Safety Integrity Level (SIL): SIL 3, Systematic capability (SC): SC 3, Rated voltage: 20 ... 35 V DC, Field device: SN/S1N sensor, Field device [2]: volt-free contact, Line fault detection

Specifications

General specifications

Order code (Pepperl+Fuchs part number)	046903
Signal type	Digital Input
Lifecycle	Active (current Pepperl+Fuchs product)

Functional safety related parameters

Safety Integrity Level (SIL)	SIL 3
Systematic capability (SC)	SC 3
Performance level (PL)	PL d

Supply

Connection	Power Rail or terminals 22+, 23+, 24-
Rated voltage	20 ... 35 V DC Ur
Ripple	≤ 10 %
Rated current	≤ 130 mA Ir
Power dissipation	2.1 W
Power consumption	max. 2.3 W

Input

Connection side	field side
Connection	terminals 10+, 12-
Open circuit voltage/short-circuit current	approx. 8.4 V DC / approx. 11.7 mA
Lead resistance	≤ 50 Ω, in hazardous area cable capacitances and inductivities are to be taken into account
Switching point: Relay de-energized	I 5.9 mA
Switching point: Relay energized	2.8 mA < I < 5.3 mA
Response delay	≤ 1 ms

Output

Connection side	control side
Connection	output I: terminals 13, 14 ; output II: terminals 15, 21 ; output III: terminals 16+, 17-
Output I	relay , signal
Contact loading	50 V AC/1 A/cos φ > 0.7; 24 V DC/1 A resistive load
Mechanical life	50 x 106 switching cycles
Output II	relay , signal
Contact loading	50 V AC/1 A/cos φ > 0.7; 24 V DC/1 A resistive load
Mechanical life	50 x 106 switching cycles
Output III	electronic output, passive , fault signal
Rated voltage	10 ... 30 V DC
Signal level	1-signal: (L+) -2.5 V (7 mA, short-circuit proof) / 0-signal: blocked output (Leakage current ≤ 10 µA)

Transfer characteristics

Switching frequency

5 Hz

Galvanic isolation

Output/power supply	reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Mutual output I, II, III	basic insulation according to IEC/EN 61010-1, rated insulation voltage 50 Veff

Indicators/settings

Display elements	LEDs
Labeling	space for labeling at the front

Directive conformity

Electromagnetic compatibility: Directive 2014/30/EU	EN 61326-1:2013 (industrial locations)
Machinery Directive: Directive 2006/42/EC	EN/ISO 13849-1:2015

Conformity

Electromagnetic compatibility	NE 21:2017 , EN 61326-3-1:2017
Degree of protection	IEC 60529:2001
Safety	IEC/EN 61508:2010

Ambient conditions

Ambient temperature

-20 ... 60 °C (-4 ... 140 °F)

Mechanical specifications

Degree of protection	IP20
Connection	screw terminals
Mass	approx. 280 g
Dimensions	40 x 107 x 115 mm (1.6 x 4.2 x 4.5 inch) (W x H x D) , housing type C1
Mounting	on 35 mm DIN mounting rail acc. to EN 60715:2001

Data for application in connection with hazardous areas

EU-type examination certificate	PTB 00 ATEX 2042
Marking	II (1)G [Ex ia Ga] IIC [exsign] II (1)D [Ex ia Da] IIIC [exsign] I (M1) [Ex ia Ma] I
Input	Ex ia
Voltage	9.56 V Uo
Current	16.8 mA Io
Power	41 mW (linear characteristic) Po
Supply: Maximum safe voltage	40 V AC/DC (Attention! The rated voltage can be lower.) Um
Output: Maximum safe voltage	output I/output II: 253 V AC/DC (Attention! Um is no rated voltage.) output III: 60 V AC/DC (Attention! Um is no rated voltage.) Um
Certificate	TÜV 99 ATEX 1493 X
Marking	II 3G Ex ec nC IIC T4 Gc
Galvanic isolation: Input/Output	safe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V
Galvanic isolation: Input/power supply	safe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V
Directive conformity: Directive 2014/34/EU	EN IEC 60079-0:2018+AC:2020 , EN 60079-7:2015+A1:2018 , EN 60079-11:2012 , EN IEC 60079-15:2019

International approvals

FM approval: Control drawing	116-0158
IECEx approval: IECEx certificate	IECEx TUN 19.0013X
IECEx approval: IECEx marking	Ex ec nC IIC T4 Gc

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 (9)

KFD2-SH-Ex1: frequently asked questions

When can KFD2-SH-Ex1 be shipped?

KFD2-SH-Ex1 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-SH-Ex1 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-SH-Ex1 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-SH-Ex1, subject to availability and destination.