.svg&w=240){kind=small}
Pepperl Fuchs LA31/LK31/25/31/115
Thru-beam sensor
- MPN
- LA31/LK31/25/31/115
- Category
- Thru-Beam Sensors
Price and lead time confirmed within 1 business day
Request a Quote
- 1We check stock, condition and lead time
- 2You get a written quote by email
- 3Approve it and we ship — in-stock parts within 1 business day
- 12-month warranty (new) · 3-month (used/refurbished)
- 30-day returns, no restocking fee on unused parts
- 100% positive eBay feedback
- Ships via
What is the Pepperl Fuchs LA31/LK31/25/31/115?
Cost-optimized series for standard tasks
Large construction with small housing
Highly visible LED
Version for universal voltages
Relay output
Wide range of mounting options
Thru-beam sensor, 30 m detection range, red light, light on, AC/DC version, relais output, fixed cable, Cost-optimized series for standard tasks, Large construction with small housing, Highly visible LED, Version for universal voltages, Relay output
Specifications
System components
| Order code (Pepperl+Fuchs part number) | 186501 |
| Emitter | LA31/115 |
| Receiver | LK31/25/31/115 |
| Lifecycle | Active (current Pepperl+Fuchs product) |
General specifications
| Effective detection range | 0 ... 30 m |
| Threshold detection range | 43 m |
| Light source | LED |
| Light type | modulated visible red light , 630 nm |
| Alignment aid | LED yellow:1. LED illuminates: Sufficient light signal received, emitter and receiver alignment is correct 2. LED flashes: Reaching switching point 3. LED off: Light beam is interrupted or the alignment is out |
| Diameter of the light spot | approx. 800 mm at a distance of 30 m |
| Opening angle | Emitter: 0.5 ° , Receiver: 1.5 ° |
| Ambient light limit | 50000 Lux ; according to EN 60947-5-2 |
Functional safety related parameters
| MTTFd | 620 a |
| Mission Time (TM) | 20 a |
| Diagnostic Coverage (DC) | 0 % |
Indicators/operating means
| Operation indicator | LED green: power on |
| Function indicator | LED yellow:1. LED lit constantly: signal > 2 x switching point (operating reserve)2. LED flashes: signal between 1 x switching point and 2 x switching point3. LED off: signal < switching point |
Electrical specifications
| Operating voltage | 24 ... 240 V AC 12 ... 240 V DC UB |
| No-load supply current | Emitter: ≤ 20 mA Receiver: ≤ 20 mA I0 |
| Power consumption | Emitter: ≤ 1 VA Receiver: ≤ 1 VA P0 |
Output
| Switching type | light-on |
| Signal output | Relay, 1 alternator |
| Switching voltage | max. 250 V AC/DC |
| Switching current | max. 3 A |
| Switching power | DC: max. 150 W AC: max. 750 VA |
| Switching frequency | ≤ 20 Hz f |
| Response time | ≤ 25 ms |
Conformity
| Product standard | EN 60947-5-2 |
Compliance with standards and directives
| Standard conformity: Standards | EN 62103 |
Approvals and certificates
| Protection class | II , rated voltage ≤ 250 V AC with pollution degree 1-2 according to IEC 60664-1 Output circuit basis insulation of input circuit according to EN 50178, rated insulation voltage 240 V AC |
| CCC approval | Certified by China Compulsory Certification (CCC) |
Ambient conditions
| Ambient temperature | -25 ... 55 °C (-13 ... 131 °F) |
| Storage temperature | -40 ... 70 °C (-40 ... 158 °F) |
Mechanical specifications
| Degree of protection | IP67 |
| Connection | Emitter: 2 m fixed cable , 2-wire Receiver: 2 m fixed cable , 5-wire |
| Material: Housing | Polycarbonate |
| Material: Optical face | PMMA |
| Mass | Emitter: 116 g Receiver: 131 g |
| Dimensions: Height | 62 mm |
| Dimensions: Width | 18 mm |
| Dimensions: Depth | 35 mm |
No matching specifications
Downloads & documentation
Official documents from Pepperl Fuchs, downloaded directly from the manufacturer.
Data sheets & manuals
CAD & dimension drawings
Certificates (1)
LA31/LK31/25/31/115: frequently asked questions
When can LA31/LK31/25/31/115 be shipped?
LA31/LK31/25/31/115 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 LA31/LK31/25/31/115 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 LA31/LK31/25/31/115 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 LA31/LK31/25/31/115, subject to availability and destination.
More Pepperl Fuchs parts
Pepperl Fuchs LA31/LK31/25/31/115Price and lead time confirmed within 1 business day
Request a Quote