Pepperl Fuchs

KFD2-SRA-Ex4

Switch Amplifier. 4-channel isolated barrier, 24 V DC supply (Power Rail), Dry contact or NAMUR inputs, 50 % less wiring, 2:1 technology, Relay contact output, Line fault detection (LFD), Reversible mode of operation, Housing width: 20 mm, Number of channels: 4-channel, 2:1 Method, Rated voltage: 19 ... 30 V DC, Field device: NAMUR sensor, Field device [2]: volt-free contact, Line fault detection, Type: 4 x relay (NO contact), Reversible mode of operation. Signal type: Digital Input. Connection: Power Rail or terminals 14+, 15-. Rated voltage: 19 ... 30 V DC. Ripple: ≤ 10 %. Rated current: 45 ... 70 mA. Power dissipation: 1.2 W. Connection side: field side. Connection: terminals 1-, 2+, 3-; 4-, 5+, 6-. Rated values: acc. to EN 60947-5-6 (NAMUR), see manual for electrical data. 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. Pulse/Pause ratio: min. 35 ms / min. 35 ms (non-AC operation) min. 70 ms / min. 70 ms (AC operation). Line fault detection: breakage I ≤ 0.15 mA , short-circuit I > 6 mA. Connection side: control side. Connection: output I: terminals 7, 8 ; output II: terminals 8, 9 ; output III: terminals 10, 11 ; output IV: terminals 11, 12. Output I ... IV: Signal I ... Signal IV ; relay. Contact loading: 253 V AC/2 A /cos φ > 0.7; 40 V DC/2 A resistive load;. Energized/De-energized delay: approx. 30 ms / approx. 30 ms. Mechanical life: 5 x 106 switching cycles. Collective error message: Power Rail. Switching frequency: ≤ 10 Hz (non-AC operation) ≤ 3 Hz (AC operation). 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. Output/Output: basic insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff. Display elements: LEDs. Control elements: DIP switch. Configuration: via DIP switches. Labeling: space for labeling at the front. Electromagnetic compatibility: . Directive 2014/30/EUEN 61326-1:2013 (industrial locations): . Directive 2014/30/EU: EN 61326-1:2013 (industrial locations). Low voltage: . Directive 2014/35/EUEN 61010-1:2010: . Directive 2014/35/EU: EN 61010-1:2010. Electromagnetic compatibility: NE 21:2006. Degree of protection: IEC 60529:2001. Input: EN 60947-5-6:2000. Ambient temperature: -20 ... 60 °C (-4 ... 140 °F). 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) (W x H x D) , housing type B2. Height119 mmWidth20 mmDepth115 mm: . Height: 119 mm. Width: 20 mm. Depth: 115 mm. Mounting: on 35 mm DIN mounting rail acc. to EN 60715:2001. EU-type examination certificate: ZELM 99 ATEX 0009. Marking II (1)G [Ex ia Ga] IIC [exsign] II (1)D [Ex ia Da] IIIC [exsign] I (M1) [Ex ia Ma] IInputEx ia IICVoltageUo10 VCurrentIo14 mAPowerPo35 mW (linear characteristic): . 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 IIC. Voltage: 10 V. Current: 14 mA. Power: 35 mW (linear characteristic). Supply: . Maximum safe voltageUm40 V DC (Attention! Um is no rated voltage.): Um. Maximum safe voltage: 40 V DC (Attention! Um is no rated voltage.). Output: . Contact loading230 V AC + 10 % / 2 A / 100 VA / cos φ ≥ 0.7; 40 V DC / 2 A resistive load: . Contact loading: 230 V AC + 10 % / 2 A / 100 VA / cos φ ≥ 0.7; 40 V DC / 2 A resistive load. Fault indication output: . Maximum safe voltageUm40 V DC: Um. Maximum safe voltage: 40 V DC. Galvanic isolation: . Input/inputnot availableInput/Outputsafe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 VInput/power supplysafe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V: . Input/input: not available. 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/EUEN IEC 60079-0:2018+AC:2020 , EN 60079-11:2012 , EN 50303:2000: . Directive 2014/34/EU: EN IEC 60079-0:2018+AC:2020 , EN 60079-11:2012 , EN 50303:2000. UL approval: . Control drawing116-0145: . Control drawing: 116-0145. IECEx approval: . IECEx certificateIECEx TUN 04.0003IECEx marking[Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I: . IECEx certificate: IECEx TUN 04.0003. IECEx marking: [Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I. Supplementary information: Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com.

Brand	Pepperl Fuchs
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