"Switch Amplifier, Timer Relay

KFA5-SR2-EX1.W"

• 1-channel isolated barrier
• 115 V AC supply
• Dry contact or NAMUR inputs
• Relay contact output
• Line fault detection (LFD)
• Reversible mode of operation
• Up to SIL 2 acc. to IEC 61508/IEC 61511

Please Note: All product-related documents, such as certificates, declarations of conformity, etc., which were issued prior to the conversion under the name Pepperl+Fuchs GmbH or Pepperl+Fuchs AG, also apply to Pepperl+Fuchs SE.

General specifications
Signal type	Digital Input
Functional safety related parameters
Safety Integrity Level (SIL)	SIL 2
Supply
Connection	terminals 14, 15
Rated voltage	103.5 ... 126 V AC , 45 ... 65 Hz
Power consumption	1 W
Input
Connection side	field side
Connection	terminals 1+, 2+, 3-
Rated values	acc. to EN 60947-5-6 (NAMUR)
Open circuit voltage/short-circuit current	approx. 8 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 mA
Pulse/Pause ratio	min. 20 ms / min. 20 ms
Output
Connection side	control side
Connection	terminals 7, 8, 9
Output	signal, relay
Contact loading	253 V AC/2 A/cos φ > 0.7; 126.5 V AC/4 A/cos φ > 0.7; 40 V DC/2 A resistive load
Energized/De-energized delay	approx. 20 ms / approx. 20 ms
Mechanical life	107 switching cycles
Transfer characteristics
Switching frequency	< 10 Hz
Galvanic isolation
Input/Output	reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Input/power supply	reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Output/power supply	reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 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)
Low voltage
Directive 2014/35/EU	EN 61010-1:2010
Conformity
Electromagnetic compatibility	NE 21:2006
Degree of protection	IEC 60529:2001
Input	EN 60947-5-6:2000
Ambient conditions
Ambient temperature	-20 ... 60 °C (-4 ... 140 °F)
Mechanical specifications
Degree of protection	IP20
Connection	screw terminals
Mass	approx. 150 g
Dimensions	20 x 119 x 115 mm (0.8 x 4.7 x 4.5 inch) , housing type B2
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 2081
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	10.6 V
Current	19.1 mA
Power	51 mW (linear characteristic)
Supply
Maximum safe voltage	126.5 V AC (Attention! Um is no rated voltage.)
Output
Contact loading	253 V AC/2 A/cos φ > 0.7; 126.5 V AC/4 A/cos φ > 0.7; 40 V DC/2 A resistive load
Maximum safe voltage	253 V AC (Attention! The rated voltage can be lower.)
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 60079-0:2012+A11:2013 , EN 60079-11:2012
International approvals
FM approval
Control drawing	116-0035
UL approval
Control drawing	116-0145
CSA approval
Control drawing	116-0047
IECEx approval	IECEx PTB 11.0031
Approved for	[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.control-automation.com/