Pepperl Fuchs KCD2-SON-Ex2

Switch Amplifier

MPN: KCD2-SON-Ex2
Category: K-System (DIN Rail Mounting)

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What is the Pepperl Fuchs KCD2-SON-Ex2?

2-channel isolated barrier

24 V DC supply (Power Rail)

Dry contact or NAMUR inputs

2 passive transistor outputs (resistive acc. to EN 60947-5-6)

Line fault transparency (LFT)

Housing width 12.5 mm

Up to SIL 2 (SC 3) acc. to IEC/EN 61508

2-channel isolated barrier, 24 V DC supply (Power Rail), Dry contact or NAMUR inputs, 2 passive transistor outputs (resistive acc. to EN 60947-5-6), Line fault transparency (LFT), Housing width 12.5 mm, Up to SIL 2 (SC 3) acc. to IEC/EN 61508, Housing width: 12.5 mm, Number of channels: 2-channel, Line fault transparency, Safety Integrity Level (SIL): SIL 2, Systematic capability (SC): SC 3, Rated voltage: 19 ... 30 V DC, Field device: NAMUR sensor, Field device [2]: volt-free contact

Specifications

General specifications

Order code (Pepperl+Fuchs part number)	225951
Signal type	Digital Input
Lifecycle	Active (current Pepperl+Fuchs product)

Functional safety related parameters

Safety Integrity Level (SIL)	SIL 2
Systematic capability (SC)	SC 3

Supply

Connection	Power Rail or terminals 9+, 10-
Rated voltage	19 ... 30 V DC Ur
Ripple	≤ 10 %
Rated current	35 ... 25 mA Ir
Power dissipation	≤ 750 mW

Input

Connection side	field side
Connection	terminals 1+, 2-; 3+, 4-
Rated values	acc. to EN 60947-5-6 (NAMUR)
Open circuit voltage/short-circuit current	approx. 10 V DC / approx. 8 mA
Switching point/switching hysteresis	1.2 ... 2.1 mA / approx. 0.2 mA
Line fault detection	breakage I ≤ 0.1 mA , short-circuit I ≥ 6.5 mA
Pulse/Pause ratio	min. 100 µs / min. 100 µs

Output

Connection side	control side
Connection	output I: terminals 5, 6 ; output II: terminals 7, 8
Rated voltage	typ. 8 V max. 20 V DC Ur
Response time	≤ 200 µs
Output I, II	signal or fault message, passive transistor output (resistive) 0-signal: 14 kΩ ± 10 % 1-signal: 1.8 kΩ ± 10 % fault: > 100 kΩ
Collective error message	Power Rail

Transfer characteristics

Switching frequency

≤ 5 kHz

Galvanic isolation

Input/Output	reinforced insulation acc. to EN 50178, rated insulation voltage 300 Veff
Input/power supply	reinforced insulation acc. to EN 50178, rated insulation voltage 300 Veff
Output/power supply	basic insulation according to EN 50178, rated insulation voltage 50 Veff
Output/Output	basic insulation according to EN 50178, rated insulation voltage 50 Veff

Indicators/settings

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

Directive conformity

Electromagnetic compatibility: Directive 2014/30/EU

EN 61326-1:2013 (industrial locations)

Conformity

Electromagnetic compatibility	NE 21:2011 , EN 61326-3-2:2008
Degree of protection	IEC 60529:2001
Protection against electrical shock	IEC 61010-1:2010
Input	EN 60947-5-6:2000

Ambient conditions

Ambient temperature

-20 ... 60 °C (-4 ... 140 °F) extended ambient temperature range up to 70 °C (158 °F), refer to manual for necessary mounting conditions

Mechanical specifications

Degree of protection	IP20
Connection	screw terminals
Mass	approx. 100 g
Dimensions	12.5 x 119 x 114 mm (0.5 x 4.7 x 4.5 inch) (W x H x D) , housing type A2
Mounting	on 35 mm DIN mounting rail acc. to EN 60715:2001

Data for application in connection with hazardous areas

EU-type examination certificate	BASEEFA 13 ATEX 0080
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	10.5 V Uo
Current	17.1 mA Io
Power	45 mW (linear characteristic) Po
Supply: Maximum safe voltage	253 V AC (Attention! Um is no rated voltage.) Um
Output: Maximum safe voltage	253 V AC (Attention! The rated voltage can be lower.) Um
Certificate	CML 19 ATEX 4410 X
Marking	II 3G Ex ec 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 IEC 60079-11:2024

International approvals

UL approval: Control drawing	116-0374 (cULus)
IECEx approval: IECEx certificate	IECEx BAS 13.0046 IECEx CML 19.0147X
IECEx approval: IECEx marking	[Ex ia Ga] IIC , [Ex ia Da] IIIC , [Ex ia Ma] I Ex ec 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 (10)

KCD2-SON-Ex2: frequently asked questions

When can KCD2-SON-Ex2 be shipped?

KCD2-SON-Ex2 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 KCD2-SON-Ex2 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 KCD2-SON-Ex2 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 KCD2-SON-Ex2, subject to availability and destination.