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　　Relay Module KFD0-RO-Ex2

　　2-channel isolated barrier

　　24 V DC supply (loop powered)

　　Logic input 15 V DC ... 30 V DC, non-polarized

　　Relay contact output

　　Up to SIL 3 acc. to IEC/EN 61508

General specifications
Signal type		Digital Output
Functional safety related parameters
Safety Integrity Level (SIL)		SIL 3
Supply
Rated voltage		15 ... 30 V DC , loop powered
Power dissipation		0.8 W
Input
Connection side		control side
Connection		terminals 7, 8, 9
Input voltage		15 ... 30 V DC
Input current		≤ 21 mA per channel
Output
Safety note		Attention! Combination of output Ex i with output not Ex i is not permitted. If load voltage > 50 V, de-energize before removing the terminals.
Connection side		field side
Connection		terminals 1, 2, 3; 4, 5, 6
Contact loading		230 V AC/2 A/cos φ > 0.7; 40 V DC/2 A resistive load
Energized/De-energized delay		approx. 10 ms / approx. 5 ms
Mechanical life		5 x 106 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
Output/Output		basic insulation according to IEC/EN 61010-1, rated insulation voltage 300 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
Conformity
Electromagnetic compatibility		NE 21:2006
Degree of protection		IEC 60529:2001
Ambient conditions
Ambient temperature		-20 ... 65 °C (-4 ... 149 °F)
Mechanical specifications
Degree of protection		IP20
Connection		screw terminals
Mass		approx. 100 g
Dimensions		20 x 119 x 115 mm (0.8 x 4.7 x 4.5 inch) (W x H x D) , 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		DMT 00 ATEX E 016
	Marking	II (1)G [Ex ia Ga] IIC  II (1)D [Ex ia Da] IIIC  I (M1) [Ex ia Ma] I
	Output	Ex ia
	Voltage	60 V
	Current	2 A
Input
	Maximum safe voltage	40 V DC (Attention! Um is no rated voltage.)
Output
	Contact loading	50 V AC/2 A ; 40 V DC/2 A (TÜV 00 ATEX 1621 X)
Certificate		TÜV 00 ATEX 1621 X
	Marking	II 3G Ex nA nC IIC T4
Galvanic isolation
	Input/Output	safe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V
	Output/Output	safe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 60 V
Directive conformity
	Directive 2014/34/EU	EN IEC 60079-0:2018+AC:2020 , EN 60079-11:2012 , EN 60079-15:2010