Switch Amplifier KCD2-ST-Ex2

• 2-channel isolated barrier

• 24 V DC supply (Power Rail)

• Dry contact or NAMUR inputs

• 2 active transistor outputs

• Reversible mode of operation

• Line fault detection (LFD)

• Housing width 12.5 mm

• Up to S

Stock Lists:

KFA6-SOT2-Ex2

KFA6-SR2-Ex1.W

KFA6-SR2-Ex1.W.LB

KFA6-SR2-Ex2.W

KFA6-SR2-Ex2.W.IR

KCD2-SON-Ex1

KCD2-SOT-Ex2.SP

KCD2-SR-Ex1

KCD2-SR-Ex1.LB

KCD2-SR-Ex1.LB.SP

KFD2-SOT3-Ex1.LB

KFU8-SR-Ex1.W

KFU8-SR-Ex1.W.LB

KFU8-SR-Ex2.W

KCD2-SON-Ex1.R1

KCD2-SON-Ex1.R2

KCD2-SON-Ex1.R3

KCD2-SON-Ex1.SP

KCD2-SON-Ex2

KCD2-SON-Ex2.R1

KCD2-SON-Ex2.R2

KCD2-SON-Ex2.R3

KCD2-SON-Ex2.SP

KCD2-SOT-Ex1.LB.SP

KCD2-ST-Ex1.LB.SP

KCD2-ST-Ex2.SP

KFD2-SOT3-Ex2.IO-Y1

KCD2-SR-Ex1.LB-AB

KCD2-SR-Ex2-AB

KFD2-SR2-Ex2.2S

WE77/Ex-1 115V

WE77/Ex-1 230V

WE77/Ex-2 115V

WE77/Ex-2 230V

KFD2-ELD-Ex16

KFA5-SR2-Ex2.W

KFD2-DU-Ex1.D

KFA4-SR2-Ex2.W

KFA5-DU-Ex1.D

KFA5-SOT2-Ex2

KFA5-SR2-Ex2.W.IR

KFA6-DU-Ex1.D

KFD2-SOT2-Ex2.IO-Y181008

KFA4-SR2-Ex1.W

KFA4-SR2-Ex1.W.LB

KCD2-SR-Ex2

KCD2-SR-Ex2.SP

KCD2-ST-Ex1.LB

...

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General specifications
Signal type		Digital Input
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
Ripple		≤ 10 %
Rated current		30 ... 20 mA + Iout
Power dissipation		≤ 800 mW including maximum power dissipation in the output
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		terminals 5, 6
Rated voltage		30 V DC
Rated current		50 mA
Response time		≤ 200 µs
Signal level		1-signal: (supply voltage) - 3 V max. for 50 mA 0-signal: blocked output (off-state current ≤ 10 µA)
Output I		signal ; Transistor
Output II		signal ; Transistor
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		not available , common pole terminal 9+
Output/Output		not available , common pole terminal 9+
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
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  II (1)D [Ex ia Da] IIIC  I (M1) [Ex ia Ma] I
	Input	Ex ia
	Voltage	10.5 V
	Current	17.1 mA
	Power	45 mW (linear characteristic)
Supply
	Maximum safe voltage	253 V AC (Attention! Um is no rated voltage.)
Output
	Maximum safe voltage	253 V AC (Attention! The rated voltage can be lower.)
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
	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 , EN 60079-7:2015+A1:2018 , EN 60079-11:2012
International approvals
UL approval
	Control drawing	116-0374 (cULus)
IECEx approval
	IECEx certificate	IECEx BAS 13.0046 IECEx CML 19.0147X
	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.

Classifications