
Pepperl Fuchs LD31/LV31/25/38/115
Thru-beam sensor
- MPN
- LD31/LV31/25/38/115
- Category
- Thru-Beam Sensors
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 LD31/LV31/25/38/115?
Operating voltage DC
Highly visible LED
Protection class II
Relay output
Compact and stable housing
Thru-beam sensor, 30 m detection range, red light, light on, DC version, relay contact output, fixed cable, Operating voltage DC, Highly visible LED, Protection class II, Relay output, Compact and stable housing
Specifications
System components
| Order code (Pepperl+Fuchs part number) | 811441 |
| Emitter | LD31/76a/115 |
| Receiver | LV31/25/38/115 |
| 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 | 12 ... 30 V DC UB |
| No-load supply current | Emitter: ≤ 18 mA Receiver: ≤ 20 mA I0 |
Input
| Test input | emitter deactivation at +UB |
Output
| Switching type | light-on |
| Signal output | Relay, 1 alternator |
| Switching voltage | max. 30 V DC |
| Switching current | max. 1 A |
| 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 | CCC approval / marking not required for products rated ≤36 V |
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 , 3-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
LD31/LV31/25/38/115: frequently asked questions
When can LD31/LV31/25/38/115 be shipped?
LD31/LV31/25/38/115 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 LD31/LV31/25/38/115 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 LD31/LV31/25/38/115 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 LD31/LV31/25/38/115, subject to availability and destination.
More Pepperl Fuchs parts










