KF**-SR2-Ex1.WTechnical data

KFD2-SR2-Ex1.W KFA5-SR2-Ex1.W KFA6-SR2-Ex1.W Supply Connection Power Professional rail or terminals 14+, 15-terminals 14, 15terminals 14, 15 Rated voltage 20 ... 30 V DC 103.5 ... 126 V AC, 45 ... 65 Hz 207 ... 253 V AC, 45 ... 65 HzRipple
Transformerisolated amplifiersLogic controlunitsSolenoid driversRelay modulesTransmitterpower suppliesConvertersTrip amplifiersIsolated repeatersRepeater, professional converter loop powered ≤ 10 %-- Rated current 20 ... 23 mA - -Power loss --1 W Power consumption - 1 W ≤ 1 W Input Connector terminals 1+, 2+, 3- Rated values acc. to EN60947-5-6 (NAMUR), see system description for electrical dataOpen-circuit voltage/short-circuit current approx. 8 V DC/approx. 8 mA Switching point/Switching hysteresis 1.2 ... 2.1 mA/approx. 0.2 mAPulse/Pause ratio ≥ 20 ms/ ≥ 20 ms Lead monitoring breakage I ≤ 0.1 mA, short-circuit I > 6 mA Output Connection terminals 7, 8, 9Output 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 loadEnergised/de-energised delay approx. 20 ms/approx. 20 ms Mechanical life 10
7 switching cycles Transfer characteristics Switching frequency < 10 Hz Electrical isolation Output/power supply specifications reinforced insulation acc. to IEC61140, rated insulation voltage 300 V
eff Directive conformity Electromagnetic compatibility Directive 89/336/EC EN 61326, EN 50081-2 Conformity Electromagnetic compatibility NE 21 Protection degree IEC 60529Protection against electric shock IEC61140 Ambient conditions Ambient temperature -20 ... 60 °C (253 ... 333 K) Mechanical specifications Protection degree IP20 Mass approx. 150 gDimensions 20 x 118 x 115 mm (0.8 x 4.6 x 4.5 in) Data for application in conjunction with hazardous areas EC-Type Examination Certificate PTB 00 ATEX 2080, for additional certificates see www.pepperl-fuchs.comPTB 00 ATEX 2081, for additional certificates see www.pepperl-fuchs.comPTB 00 ATEX 2081, for additional certificates see www.pepperl-fuchs.com Group, category, type of protection ¬ II (1) G D [EEx ia] IIC [circuit(s) in zone 0/1/2] ¬ II (1) G D [EEx ia] IIC [circuit(s) in zone 0/1/2] ¬ II (1) G D [EEx ia] IIC [circuit(s) in zone 0/1/2]Input EEx ia IICEEx ia IICEEx ia IIC VoltageU
10.5 V 10.6 V 10.6 VCurrentI
13 mA19.1 mA19.1 mA PowerP
34 mW (linear characteristic) 51 mW (linear characteristic) 51 mW (linear characteristic)Supply Safety maximum voltage U
m 253 V AC/125 V DC (Attention! U
m is no rated voltage.) 253 V AC/126.5 V AC (Attention! U 253 V AC/126.5 V AC (Attention! U
m is no rated voltage.)
m is no rated voltage.)Output Contact loading 253 V AC/2 A/cos Ï• > 0.7; 126.5VAC/4 A/cos 253 V AC/2 A/cos Ï• > 0.7; 126.5VAC/4 A/cos 253 V AC/2 A/cos Ï• > 0.7; 126.5VAC/4 A/cos Ï• > 0.7; 40VDC/2 A resistive load (PTB00 ATEX 2080) 50 V AC/4 A/cos Ï• > 0.7; 40VDC/2 A resistive load Ï• > 0.7; 40VDC/2 A resistive loadSafety maximum voltage U Ï• > 0.7; 40VDC/2 A resistive load (TÜV99 ATEX 1493 X)
m 253 V AC (Attention! The rated voltage can be lower.)253 V AC (Attention! The rated voltage can be lower.)253 V AC (Attention! The rated voltage can be lower.) Statement of conformity TÜV 99 ATEX 1493 X, observe statement of conformity - -
Date of issue03/03/06 – Catalogue K-system Subject to reasonable modifications due to technical advances.Copyright Pepperl+Fuchs, Printed in Germany

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