Weidmüller Sensors
weidmuller sensors overview and buyer’s guide
This category covers factory-floor sensing for position, presence, distance, and light-based detection. Weidmüller groups the range by sensing principle (inductive, photoelectric), housing size (M8–M30, cubic mini/midi), and interface (PNP/NPN, 2-wire AC/DC, IO-Link). Typical buyers: OEM machine builders, panel integrators, and MRO teams who need robust parts that drop straight into EN-standard mounts with familiar wiring.
Product range and series structure
Weidmüller’s core families split into cylindrical threaded bodies (M8/M12/M18/M30) and compact rectangular blocks for tight conveyors and packaging frames. Short-body “snub” designs fit shallow doors; long bodies suit deep brackets. Most distributors stock DC 10–30 V PNP variants first, with NPN mirrors available; AC types are available in selected sizes. Common packages include shielded flush-mount and unshielded high-reach models, standard 2 m PVC pigtails, or M8/M12 plug-in heads for quick swap on modular machines. Popular picks: M12 flush, 4 mm range; M18 unshielded, 8 mm range; and cube photoelectric sets with right-angle optics for conveyors.
weidmuller proximity sensors sizes, mounts, and I/O
These non-contact switches are the workhorses for end-of-stroke and cam sensing. Sizes run M8 to M30 with typical switching distances from 1.5 mm to 15 mm depending on shielded/unshielded design. Mounting is via locknuts into standard brackets; flush versions sit level with the face to resist damage. Outputs: PNP/NPN NO/NC; teachable types appear in higher-end models. Most installers prefer M12 quick-disconnect to keep downtime low and spares lean.
Key features that matter at ordering
- Voltage bands: DC 10–30 V is the fast mover; AC 90–250 V available on selected lines.
- Housings: nickel-plated brass, stainless for washdown, and rugged plastic for lightweight arms.
- Connections: 2 m leads or M8/M12 connectors; straight or 90° exits for door spaces.
- Indication: large 360° status LEDs to speed commissioning.
- Options: IO-Link on several SKUs for diagnostics and parameter set-up.
weidmuller photoelectric sensors diffuse, retro, and through-beam
Use light where metal isn’t the only target. Diffuse models are quick for carton flow; retro-reflective versions handle long runs with a reflector; through-beam pairs give the strongest signal for dusty or fast lines. Typical ranges: 0–400 mm diffuse, up to 4–6 m retro, and 10–20 m through-beam. Select polarization for shiny films and adjustable sensitivity for mixed packaging. Teach buttons or remote teach lines simplify changeovers.
Accessories that complete the order
Brackets with slot adjustment, reflectors in mini and wide formats, protective windows, and cordsets (M8/M12 straight and angled). Add panel feed-throughs and Weidmüller A-series terminal blocks to tidy the cabinet landing points. For smarter cells, pair with Weidmüller IO-Link masters and managed switches.
weidmuller inductive sensors DC classes and rugged options
For metal-target presence detection where oil, chips, and vibration live. Choose shielded for dense mounting on manifold plates; unshielded for extra reach on conveyors. Stainless-steel faces resist impacts on tooling; IP67–IP69K models withstand washdown. Where cylinders travel fast, go for high switching frequency types to avoid missed edges.
Applications and compatibility
Found on packaging machines, CNC doors, palletizers, bottling lines, AGVs, and warehouse sorters. Common pairings in the same brand: SAI cordsets, RockStar industrial connectors, u-remote/IO-Link modules, DIN-rail power supplies, and Klippon Protect enclosures. Cutout and thread standards match typical OEM brackets, so retrofits are straightforward even in mixed fleets.
Integration with other brand products
Works cleanly with Weidmüller A-/W-series terminals (same DIN TS35 rails), PRO power supplies, and cabinet accessories. M20/M25 cable glands and cordsets keep ingress protection intact. Photoelectric models share 24 V rails with low inrush; diagnostics from IO-Link feed into u-remote without extra gateways.
Selection checklist for B2B buyers
- Environment: pick IP68/69K and stainless fronts for washdown; standard IP67 for dry cabinets.
- Sensing principle: metal only—choose inductive; mixed materials or long gaps—use photoelectric.
- Mounting depth: short-body for shallow doors; long-body for robust clamping.
- Output & logic: match plant standard (PNP vs NPN, NO vs NC) to reduce wiring changes.
- Connector vs pigtail: M12 plugs speed swap-outs; leads save on cordsets for fixed builds.
- Controls layer: consider IO-Link where predictive maintenance and parameter storage matter.
Advantages of working with Bankoflamps
Expect individual B2B pricing, a personal account manager, and real-time EU stock visibility. We turn quotes fast (about one hour), process orders by EAN/MPN, and provide downloadable price lists with validity dates. Track lead times, shipment consolidation, and order status from one place. Post-payment up to 30 days is available for trusted accounts. We serve France, the Baltics, Germany, Spain, Italy, Belgium, and the Netherlands.
Reliability, operation, and field notes
Typical lifetime is measured in millions of switching cycles; failure modes are usually mechanical damage or mis-alignment, not electronics. Use proper locknuts and avoid over-tightening plastic bodies. On photoelectric lines, clean lenses and reflectors during routine maintenance—many “faulty” returns are contamination. Keep spare brackets and M12 cordsets on the shelf; they solve half of emergency calls.