Isolated Switch Amplifier KFD2-SRA-Ex2
- Control circuit EEx ia IIC
- 24 V DC nominal supply voltage
- Reversible mode of operation
- Lead monitoring (short-circuit LK and interruption LB) with LED indicator (red flashing), switching output and signal on Power Rail
- 50 % less wiring, 2:1 technology
- 2 relay outputs, 1 NO contact per channel, grouped into single-pole pairs
- EMC acc. to NAMUR NE 21
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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.
Download the complete datasheet as a PDF:
Datasheet excerpt: Technical data of KFD2-SRA-Ex2
| Product Description |
|---|
| 2-channel |
| Supply | ||
|---|---|---|
| Connection | Power Rail or terminals 14+, 15- | |
| Rated voltage | 20 ... 30 V DC | |
| Ripple | ≤ 10 % | |
| Rated current | 45 ... 70 mA | |
| Power dissipation | approx. 1.26 W | |
| Input | ||
| Connection | terminals 1-, 2+, 3- | |
| 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. 20 ms / min. 20 ms | |
| Line fault detection | breakage I ≤ 0.15 mA | |
| Output | ||
| Connection | output I: terminals 7, 8 ; output II: terminals 8, 9 | |
| Output I, II | Signal I/II ; relay | |
| Contact loading | 253 V AC/2 A /cos φ > 0.7; 40 V DC/2 A resistive load; | |
| Energized/De-energized delay | approx. 20 ms / approx. 20 ms | |
| Mechanical life | 5 x 106 switching cycles | |
| Collective error message | Power Rail | |
| Transfer characteristics | ||
| Switching frequency | ≤ 10 Hz (non-AC operation) ≤ 3 Hz (AC operation) | |
| Galvanic isolation | ||
| Input/Output | safe galvanic isolation acc. to EN 50020, voltage peak value 375 V | |
| Input/power supply | safe galvanic isolation acc. to EN 50020, voltage peak value 375 V | |
| Output/power supply | basic insulation acc. to DIN EN 50178, rated insulation voltage 50 Veff AC | |
| Directive conformity | ||
| Electromagnetic compatibility | ||
| Directive 89/336/EEC | EN 61326 | |
| Conformity | ||
| Insulation coordination | EN 50178 | |
| Galvanic isolation | EN 50178 | |
| Electromagnetic compatibility | NE 21 | |
| Degree of protection | IEC 60529 | |
| Input | EN 60947-5-6 | |
| Ambient conditions | ||
| Ambient temperature | -20 ... 60 °C (-4 ... 140 °F) | |
| Mechanical specifications | ||
| Degree of protection | IP20 | |
| Mass | approx. 150 g | |
| Dimensions | 20 x 119 x 115 mm (0.8 x 4.7 x 4.5 inch) | |
| Height | 118 mm | |
| Width | 20 mm | |
| Length | 115 mm | |
| Data for application in connection with hazardous areas | ||
| EU-type examination certificate | ZELM 99 ATEX 0009 | |
| Marking |  II (1)G [EEx ia] IIC |
|
| Voltage | 10 V | |
| Current | 14 mA | |
| Power | 35 mW (linear characteristic) | |
| Supply | ||
| Maximum safe voltage | 40 V DC | |
| Galvanic isolation | ||
| Input/Output | safe galvanic isolation acc. to EN 50020, voltage peak value 375 V | |
| Directive conformity | ||
| Directive 94/9/EC | EN 50014, EN 50020 | |
| General information | ||
| Supplementary information | EC-Type Examination Certificate, Statement of Conformity, Declaration of Conformity, Attestation of Conformity and instructions have to be observed where applicable. For information see www.pepperl-fuchs.com. | |
Classifications
| System | Classcode |
|---|---|
| ECLASS 13.0 | 27210121 |
| ECLASS 12.0 | 27210121 |
| ECLASS 11.0 | 27210121 |
| ECLASS 10.0.1 | 27210121 |
| ECLASS 9.0 | 27210121 |
| ECLASS 8.0 | 27210121 |
| ECLASS 5.1 | 27210121 |
| ETIM 9.0 | EC001485 |
| ETIM 8.0 | EC001485 |
| ETIM 7.0 | EC001485 |
| ETIM 6.0 | EC001485 |
| ETIM 5.0 | EC001485 |
| UNSPSC 12.1 | 32101514 |
Details: KFD2-SRA-Ex2
Product Documentation: KFD2-SRA-Ex2
| Manuals | Language | File Type | File Size |
|---|---|---|---|
| Manual | ENG | 3685 KB |
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Pepperl+Fuchs Inc.
1600 Enterprise Parkway
Twinsburg, OH 44087
United States of America
sales@us.pepperl-fuchs.com
+1 330 425-3555
Pepperl+Fuchs is a leading developer and manufacturer of electronic sensors and components for the global automation market. Continuous innovation, enduring quality, and steady growth have been the foundation of our success for more than 70 years. Pepperl+Fuchs employs 6,300 people worldwide and has manufacturing facilities in Germany, USA, Singapore, Hungary, Indonesia and Vietnam, most of them ISO 9001 certified. Pepperl+Fuchs does not sell personal data.