Switch Amplifier 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 61508
• Up to PL d acc. to EN/ISO 13849

技术参数 KFD2-SH-Ex1

General specifications
Signal type		Digital Input
Functional safety related parameters
Safety Integrity Level (SIL)		SIL 3
Performance level (PL)		PL d
Supply
Connection		Power Rail or terminals 22+, 23+, 24-
Rated voltage		20 35 V DC
Ripple		≤ 10 %
Rated current		≤ 130 mA
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 < 2.1 mA and I > 5.9 mA
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)
Low voltage
Directive 2014/35/EU	EN 61010-1:2010
Machinery Directive
Directive 2006/42/EC	EN/ISO 13849-1:2008
Conformity
Electromagnetic compatibility		NE 21:2011
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) , 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)GD [EEx ia] IIC [circuit(s) in zone 0/1/2]
Input	EEx ia IIC
Voltage	9.56 V
Current	16.8 mA
Power	41 mW (linear characteristic)
Supply
Maximum safe voltage	40 V AC/DC (Attention! The rated voltage can be lower.)
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.)
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
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 , EN IEC 60079-15:2019
International approvals
FM approval
Control drawing	116-0158
IECEx approval
IECEx certificate	IECEx TUN 19.0013X
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 .
Accessories
Optional accessories		- power feed module KFD2-EB2(.R4A.B)(.SP) - universal power rail UPR-03(-M)(-S) - profile rail K-DUCT-BU(-UPR-03)