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Pepperl Fuchs KFU8-DWB-1.D
Rotation Speed Monitor
- MPN
- KFU8-DWB-1.D
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What is the Pepperl Fuchs KFU8-DWB-1.D?
1-channel signal conditioner
Universal usage at different power supplies
Dry contact or NAMUR inputs
Input frequency 1 mHz ... 12 kHz
2 relay contact outputs
Start-up override
Configurable by keypad
Line fault detection (LFD)
Up to SIL 2 acc. to IEC/EN 61508 / IEC/EN 61511
1-channel signal conditioner, Universal usage at different power supplies, Dry contact or NAMUR inputs, Input frequency 1 mHz ... 12 kHz, 2 relay contact outputs, Start-up override, Configurable by keypad, Line fault detection (LFD), Up to SIL 2 acc. to IEC/EN 61508 / IEC/EN 61511, Housing width: 40 mm, Number of channels: 1-channel, Trip relay, Start-up override, Rotation speed monitoring, Safety Integrity Level (SIL): SIL 2, Rated voltage: 20 ... 90 V DC / 48 ... 253 V AC 50 ... 60 Hz
Specifications
General specifications
| Order code (Pepperl+Fuchs part number) | 231209 |
| Signal type | Digital Input |
| Lifecycle | Active (current Pepperl+Fuchs product) |
Functional safety related parameters
| Safety Integrity Level (SIL) | SIL 2 |
Supply
| Connection | terminals 23, 24 |
| Rated voltage | 20 ... 90 V DC / 48 ... 253 V AC 50 ... 60 Hz Ur |
| Rated current | approx. 100 mA Ir |
| Power dissipation/power consumption | ≤ 1.8 W ; 2 VA / 1.8 W ; 2 VA |
Input
| Connection side | field side |
| Connection | Input I: 2-wire sensor: terminals 1+, 3- three wire sensor: terminals 1+, 2- and 3 input II: terminals 13+, 14- start-up override; |
| Input I | 2- or 3-wire sensor, sensor acc. to EN 60947-5-6 (NAMUR) or mechanical contact |
| Open circuit voltage/short-circuit current | 22 V / 40 mA |
| Input resistance | 4.7 kΩ |
| Switching point/switching hysteresis | logic 1: > 2.5 mA ; logic 0: < 1.9 mA |
| Pulse duration | > 50 µs |
| Input frequency | 0.001 ... 12000 Hz |
| Line fault detection | breakage I ≤ 0.15 mA; short-circuit I > 4 mA |
| Input II | startup override: 1 ... 1000 s, adjustable in steps of 1 s |
| Active/Passive | I > 4 mA (for min. 100 ms) / I < 1.5 mA |
| Open circuit voltage/short-circuit current | 18 V / 5 mA |
Output
| Connection side | control side |
| Connection | output I: terminals 10, 11, 12 output II: terminals 16, 17, 18 |
| Output I, II | signal, relay |
| Contact loading | 250 V AC / 2 A / cos φ ≥ 0.7 ; 40 V DC / 2 A |
| Mechanical life | 5 x 107 switching cycles |
| Energized/De-energized delay | approx. 20 ms / approx. 20 ms |
Transfer characteristics
| Input I: Measuring range | 0.001 ... 12000 Hz |
| Input I: Resolution | 0.1 % of measured value , ≥ 0.001 Hz |
| Input I: Accuracy | 0.1 % of measured value , > 0.001 Hz |
| Input I: Measuring time | < 100 ms |
| Input I: Influence of ambient temperature | 0.003 %/K (30 ppm) |
| Output I, II: Response delay | ≤ 200 ms |
Galvanic isolation
| Input I/other circuits | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff |
| Output I, II against eachother | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff |
| Output I, II/other circuits | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff |
| Start-up override/power supply | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff |
Indicators/settings
| Display elements | LEDs , display |
| Control elements | Control panel |
| Configuration | via operating buttons |
| 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 |
Conformity
| Electromagnetic compatibility | NE 21:2006 |
| Degree of protection | IEC 60529:2001 |
Ambient conditions
| Ambient temperature | -20 ... 60 °C (-4 ... 140 °F) |
Mechanical specifications
| Degree of protection | IP20 |
| Connection | screw terminals |
| Mass | 300 g |
| Dimensions | 40 x 119 x 115 mm (1.6 x 4.7 x 4.5 inch) (W x H x D) , housing type C2 |
| Height | 119 mm |
| Width | 40 mm |
| Depth | 115 mm |
| Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 |
General information
| Supplementary information | Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com. |
No matching specifications
Downloads & documentation
Official documents from Pepperl Fuchs, downloaded directly from the manufacturer.
Data sheets & manuals
CAD & dimension drawings
KFU8-DWB-1.D: frequently asked questions
When can KFU8-DWB-1.D be shipped?
KFU8-DWB-1.D is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.
Can I pick up KFU8-DWB-1.D in person?
Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.
Is express delivery available?
Yes — mention it when you request a quote for KFU8-DWB-1.D and we'll include express shipping options in our reply.
My factory is down and I need this urgently — can you help?
For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for KFU8-DWB-1.D, subject to availability and destination.
More Pepperl Fuchs parts
Pepperl Fuchs KFU8-DWB-1.DPrice and lead time confirmed within 1 business day
Request a Quote