Technical specifications of KFA5-SOT2-Ex2
| Main Features | ||
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| Signal type | Digital input | |
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Parameters related to functional safety |
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| Safety Integrity Level (SIL) | SIL 2 | |
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Supply |
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| Connection | terminals 14, 15 | |
| Nominal voltage | 103.5...126.5 V AC, 45...65 Hz | |
| Power dissipation | 1 W | |
| Power consumption | Max 1.5 W | |
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Entrance |
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| Connection side | side of the field | |
| Connection | terminals 1+, 2+, 3-; 4+, 5+, 6- | |
| Nominal values | according to EN 60947-5-6 (NAMUR), for electrical characteristics see manual | |
| Open circuit voltage/short circuit current | approx. 8 VDC / approx. 8 mA | |
| Switching point/switching hysteresis | 1.2 ... 2.1 mA / approx. 0.2 mA | |
| Line fault detection | open circuit I ≤ 0.1 mA, short circuit I > 6 mA | |
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Exit |
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| Connection side | control side | |
| Connection | output I: terminals 7, 8; output II: terminals 8, 9 | |
| Switching voltage | Max 40 V | |
| Switching current | Max 100mA, short circuit protection | |
| Signal level |
1-signal: switching voltage - max. 2.5 V at switching current of 10 mA or max. 3 V at switching current of 100 mA 0-signal: off (off-state current ≤ 10 μA) |
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| Exit I, II | signal; electronic output, passive | |
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Transmission characteristics |
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| Switching frequency | ≤ 5 kHz | |
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Galvanic isolation |
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| Input, output | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 V eff. | |
| Input/Power | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 V eff. | |
| Output/Power | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 V eff. | |
| Exit/Exit | not available | |
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Indicators/settings |
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| Display elements | LEDs | |
| Controls | DIP switch | |
| Configuration | via DIP switches | |
| Marking | marking space at the front | |
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Compliance with the directive |
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| Electromagnetic compatibility |
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Directive 2014/30/EU | EN 61326-1:2013 (industrial premises) |
| Low voltage |
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Directive 2014/35/EU | EN 61010-1:2010 |
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Correspondence |
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| Electromagnetic compatibility | NE 21:2012 | |
| Degree of protection | IEC 60529 | |
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Environmental conditions |
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| Ambient temperature | -20 ... 60 °C (-4 ... 140 °F) | |
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Mechanical characteristics |
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| Degree of protection | IP20 | |
| Connection | screw terminals | |
| weight | approx. 150 g | |
| Dimensions | 20 x 119 x 115 mm (0.8 x 4.7 x 4.5 in) (W x H x D), case type B2 | |
| Installation | on a 35 mm DIN rail in accordance with EN 60715:2001 | |
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Data for use in hazardous areas |
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| EU Type Examination Certificate | PTB 98 ATEX 2164 | |
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Marking |
 II (1) G [Ex ia] IIC II (1) D [Ex ia] IIIC
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Entrance | Ex ia IIC, Ex ia IIIC |
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Voltage | 10.5 V |
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Current | 13 mA |
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Power | 34 mW (linear characteristic) |
| Supply |
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Maximum safe voltage | 126.5 VAC (Note: U m is not the nominal voltage.) |
| Exit |
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Maximum safe voltage | 253 VAC (Caution: Nominal voltage may be lower.) |
| Galvanic isolation |
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Input/Input | not available |
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Input, output | safe electrical insulation in accordance with IEC/EN 60079-11, peak voltage 375 V |
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Input/Power | safe electrical insulation in accordance with IEC/EN 60079-11, peak voltage 375 V |
| Compliance with the directive |
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Directive 2014/34/EU | EN 60079-0:2012+A11:2013, EN 60079-11:2012 |
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International certificates |
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| UL approval |
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Control drawing | 116-0145 |
| CSA approval |
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Control drawing | 116-0047 |