Switch Amplifier KFU8-SR-Ex2.W
- 2-channel isolated barrier
- Universal usage at different power supplies
- Dry contact or NAMUR inputs
- Relay contact output
- Line fault detection (LFD)
- Reversible mode of operation
- Up to SIL 2 (SC 3) acc. to IEC/EN 61508
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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 KFU8-SR-Ex2.W
| General specifications | ||
|---|---|---|
| Signal type | Digital Input | |
| Functional safety related parameters | ||
| Safety Integrity Level (SIL) | SIL 2 | |
| Systematic capability (SC) | SC 3 | |
| Supply | ||
| Connection | terminals 14, 15 | |
| Rated voltage | 19 ... 30 V DC / 90 ... 253 V AC 50 ... 60 Hz | |
| Power dissipation/power consumption | ≤ 1.3 W / ≤ 1.3 W ; 3.6 VA | |
| Input | ||
| Connection side | field side | |
| Connection | terminals 1+, 2+, 3-; 4+, 5+, 6- | |
| Rated values | acc. to EN 60947-5-6 (NAMUR) | |
| 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 | |
| Line fault detection | breakage I ≤ 0.1 mA , short-circuit I > 6 mA | |
| Pulse/Pause ratio | min. 20 ms / min. 20 ms | |
| Output | ||
| Connection side | control side | |
| Connection | output I: terminals 7, 8, 9 ; output II: terminals 10, 11, 12 | |
| Output I, II | signal ; relay | |
| Contact loading | 250 V AC/2 A/cos φ > 0.75; 126.5 V AC/4 A/cos φ > 0.75; 40 V DC/2 A resistive load | |
| Minimum switch current | 2 mA / 24 V DC | |
| Energized/De-energized delay | approx. 20 ms / approx. 20 ms | |
| Mechanical life | 107 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 | |
| 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 | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff | |
| Indicators/settings | ||
| Display elements | LEDs | |
| Control elements | DIP switch | |
| Configuration | via DIP switches | |
| 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+A1:2019+A1:2019/AC:2019 | |
| Conformity | ||
| Electromagnetic compatibility | NE 21:2017 , EN 61326-3-1:2017 , EN IEC 61326-3-2:2018 , EN IEC 61326-1:2021 (industrial locations) | |
| Degree of protection | IEC 60529:1989+A1:1999+A2:2013 | |
| Input | EN 60947-5-6:2000 | |
| Ambient conditions | ||
| Ambient temperature | -40 ... 60 °C (-40 ... 140 °F) extended ambient temperature range up to 70 °C (158 °F), refer to manual for necessary mounting conditions |
|
| Mechanical specifications | ||
| 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 | |
| Height | 119 mm | |
| Width | 20 mm | |
| Depth | 115 mm | |
| Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 | |
| Data for application in connection with hazardous areas | ||
| EU-type examination certificate | FIDI 22 ATEX 0029 X | |
| Marking |  II 3(1)G Ex ec nC [ia Ga] IIC T4 Gc II (1)D [Ex ia Da] IIIC I (M1) [Ex ia Ma] I |
|
| Input | Ex ia | |
| Voltage | 10.5 V | |
| Current | 13 mA | |
| Power | 34 mW (linear characteristic) | |
| Supply | ||
| Maximum safe voltage | 253 V AC (Attention! Um is no rated voltage.) | |
| Output | ||
| Maximum safe voltage | 253 V AC (Attention! The rated voltage can be lower.) | |
| Galvanic isolation | ||
| 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/EU | EN IEC 60079-0:2018 , EN 60079-7:2015+A1:2018 , EN 60079-11:2012 , EN IEC 60079-15:2019 |
|
| International approvals | ||
| UL approval | E106378 | |
| Control drawing | 116-0489 | |
| Contact loading | 250 V AC/2 A/cos φ > 0.75; 126.5 V AC/4 A/cos φ > 0.75; 30 V DC/2 A resistive load | |
| IECEx approval | ||
| IECEx certificate | IECEx FIDI 22.0003X | |
| IECEx marking | Ex ec nC [ia Ga] IIC T4 Gc , [Ex ia Da] IIIC , [Ex ia Ma] I | |
| General information | ||
| Supplementary information | Observe the certificates, declarations of conformity, instruction manuals, and manuals 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: KFU8-SR-Ex2.W
Function
This isolated barrier is used for intrinsic safety applications. It transfers digital signals (NAMUR sensors/mechanical contacts) from a hazardous area to a safe area.
The proximity sensor or switch controls a form C changeover relay contact for the safe area load. The normal output state can be reversed using switches S1 and S2. Switch S3 is used to enable or disable line fault detection of the field circuit.
During an error condition, the relays revert to their de-energized state and the LEDs indicate the fault according to NAMUR NE44.
Informative Literature: KFU8-SR-Ex2.W
| Literature | Language | File Type | File Size |
|---|---|---|---|
| Application Report - Biological Cleaning of Wastwater and Secondary Sedimentation Stage | ENG | 566 KB | |
| Application Report - Energy Generation in Wastwater Treatment Plants | ENG | 532 KB | |
| Application Report - Generating Electricity in Coal-Fired Power Plants | ENG | 412 KB | |
| Application Report - Sand Trap and Preliminary Sedimentation Stage | ENG | 448 KB | |
| Application Report - Screening Systems in Sewage Treatment Plants | ENG | 577 KB | |
| Application Report - Sicherer Brennstofftransport in Kohlekraftwerken | ENG | 391 KB | |
| Application Report - Water Inlet in Wastewater Treatment Plants | ENG | 526 KB |
Product Documentation: KFU8-SR-Ex2.W
| Safety and Security Documentation | Language | File Type | File Size |
|---|---|---|---|
| Instruction manual | ENG | 171 KB | |
| Functional Safety Manual | ENG | 1996 KB | |
| Manuals | |||
| Manual | ENG | 3685 KB | |
Design / Simulation: KFU8-SR-Ex2.W
| CAD | Language | File Type | File Size |
|---|---|---|---|
| CAD 3-D / CAD 3-D | ALL | STP | 2510 KB |
| CAE | |||
| CAE EPLAN Data Portal / CAE EPLAN Data Portal | ALL | LINK | --- |
| CAE EPLAN macro EDZ / CAE EPLAN Makro EDZ | ALL | EDZ | 1487 KB |
Approvals: KFU8-SR-Ex2.W
| Certificates | Certificate No. | Language | File Type | File Size |
|---|---|---|---|---|
| Australia New Zealand Test Safe | ANZEx 24.3000 | ALL | 219 KB | |
| Brasil TUV Rheinland Brazil | TÜV 23.0468 X | ALL | 399 KB | |
| China SITIIAS CCC Ex Certificate | 2023322316005169 (Singapore) | ALL | 2098 KB | |
| DNV Marine | TAA00001WX | ALL | 106 KB | |
| Europe Fiditas ATEX Category 3 (1) G ATEX Category (M1) ATEX Category (1) D | FIDI 22 ATEX 0029X | ALL | 3085 KB | |
| Japan CML | CML 23JPN2559X | ALL | 474 KB | |
| USA Canada UL Hazardous Location cULus UL E106378 | CoC E106378 Rep Ref E106378-20220929 | ALL | 412 KB | |
| Worldwide Fiditas IECEx Certificate of Conformity | IECEx FIDI 22.0003X | ALL | LINK | --- |
| Worldwide TUV Rheinland Functional Safety Certificate | 968/FSP 2319.00/22 | ALL | 643 KB | |
| Control Drawings | ||||
| Control drawing UL / Control drawing UL | ALL | 138 KB | ||
| Declaration of Conformity | ||||
| EU Declaration of Conformity (P+F) / EU-Konformitäterklärung (P+F) | DOC-6610 | ALL | 404 KB | |
Associated Products: KFU8-SR-Ex2.W
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Pepperl+Fuchs Inc.
1600 Enterprise Parkway
Twinsburg, OH 44087
USA
- responsible for Canada -
sales@us.pepperl-fuchs.com
+1 330 425-3555
© 2024 All Rights Reserved.
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.