The useful distinction
Recognize it. Then verify it.
M12 Y coding combines a keyed eight-position physical form with hybrid data/power implementations; it is not the same form as D- or X-coded M12 Ethernet connectors. [C270A]
HARTING describes Y-coded M12 as a hybrid data-and-power connection class, in contrast to D-coded and X-coded Ethernet-focused interfaces. The class description alone cannot establish the exact field installation, cable wiring or permitted power for any one device. [C270C]
Source-scoped identification facts
Each value retains its exact example, role and measurement axis. Facts from different parts must not be combined into an invented component.
| Nominal contacts | 8S299Source-backed nominal position/contact/conductor count for identification: 8. Not a wiring diagram or installation instruction. |
|---|---|
| Positions / cavity span | 8 (Claim C270A); 8 (Claim C270B); 8 (Phoenix Contact 1276285)S299 · S331 · S331Source-scoped examples are separate; select the exact variant and measured axis. V47 identification fact only; the cited product establishes the named connector/configuration and narrow position/conductor context, not universal wiring, mating, installation safety or interchangeability. V48 product-specific hybrid/coding reference only; no universal Y-coded pin assignment, device compatibility or safe power budget is inferred. Phoenix Contact 1276285. Named primary-source example only. Identification facts do not certify mating, electrical compatibility, fabrication or powered use. |
| Connector role | Hybrid cable assembly with straight M12 plugs at both ends (Phoenix Contact 1276285)S331Source-scoped examples are separate; select the exact variant and measured axis. Phoenix Contact 1276285. Named primary-source example only. Identification facts do not certify mating, electrical compatibility, fabrication or powered use. |
| Contact gender / arrangement | male (Phoenix Contact 1276285)S331Source-scoped examples are separate; select the exact variant and measured axis. Phoenix Contact 1276285. Named primary-source example only. Identification facts do not certify mating, electrical compatibility, fabrication or powered use. |
| Mounting | cable (Phoenix Contact 1276285)S331Source-scoped examples are separate; select the exact variant and measured axis. Phoenix Contact 1276285. Named primary-source example only. Identification facts do not certify mating, electrical compatibility, fabrication or powered use. |
| Keying / polarization | Y coding (Phoenix Contact 1276285)S331Source-scoped examples are separate; select the exact variant and measured axis. Phoenix Contact 1276285. Named primary-source example only. Identification facts do not certify mating, electrical compatibility, fabrication or powered use. |
| Shell / form | shielded (Phoenix Contact 1276285)S331Source-scoped examples are separate; select the exact variant and measured axis. Phoenix Contact 1276285. Named primary-source example only. Identification facts do not certify mating, electrical compatibility, fabrication or powered use. |
| Manufacturer | Phoenix Contact (Phoenix Contact 1276285)S331Source-scoped examples are separate; select the exact variant and measured axis. Phoenix Contact 1276285. Named primary-source example only. Identification facts do not certify mating, electrical compatibility, fabrication or powered use. |
| Exact part / implementation | Phoenix Contact 1276285 (Phoenix Contact 1276285)S331Source-scoped examples are separate; select the exact variant and measured axis. Phoenix Contact 1276285. Named primary-source example only. Identification facts do not certify mating, electrical compatibility, fabrication or powered use. |
| View convention | Manufacturer caption: pin side / Y-coded hybrid plug (Phoenix Contact 1276285)S331Source-scoped examples are separate; select the exact variant and measured axis. Phoenix Contact 1276285. Named primary-source example only. Identification facts do not certify mating, electrical compatibility, fabrication or powered use. |
Not recorded: Populated contacts, Contact rows, Contact pitch, Dimensions / axis, Coupling / latch, Series, Recorded markings. Unknown fields stay unknown; illustrations supply no measurements or pin assignments.
Recorded variant and source limits
- No universal M12 Y-coded wiring assignment, conductor function or energized-work procedure is inferred from this product example.
- Coding and position count do not by themselves establish safe voltage/current use, equipment compatibility, installation approval or fabrication dimensions.
Bounded facts, visible unknowns
Specifications and limits
| Documented identification | 8-position/contact/conductor recognition fact in the cited implementation. [C270A] |
|---|---|
| Mechanical dimensions | No independently reviewed mechanical drawing in V47; do not use this page for fabrication, fit testing, receptacle selection or tolerance work. |
| Engineering pinout | Source-checked engineering profile available; independent review pending. Open engineering profile → |
| Verified device list | Not included. Check exact device and accessory documentation. |
Use the source-backed connector name and position/contact count only for identification. Resolve circuit or system requirements, wiring, grounding, protocol, ratings, device support and installation requirements from the exact equipment and component documentation.
Before you connect
What to check
- Identify the exact connector family and variant from equipment, component or cable documentation.
- Keep physical form, contact count, electrical rating, wiring and device support as separate facts.
- Do not force, rewire, adapt or energize a connector from this recognition record; resolve the remaining requirements with qualified documentation first.
What is not established
This field note does not approve a connection, adapter, cable assembly, rewiring scheme, energized test, installation or fabricated part. It intentionally omits unsupported wiring assignments and mechanical tolerances.
Your next step
Move from the form to the requirement.
The source trail
Evidence for this page
AI-assisted inspection is not independent engineering review. Source scope and access limitations are disclosed below. Procedural checklists are editorial requirements, not hardware measurements.
Phoenix Contact lists 8-position M12 Y-coded hybrid cables for Ethernet CAT5 (100 Mbps) with Power with Ethernet (PWE).
Phoenix Contact · M12 Y-coded hybrid cables ↗S299: full source recordInspect review dependencies → (private workspace)HARTING describes Y-coded M12 as a hybrid data-and-power connection class, in contrast to D-coded and X-coded Ethernet-focused interfaces. The class description alone cannot establish the exact field installation, cable wiring or permitted power for any one device.
HARTING Technology Group · HARTING circular connector coding and application distinctions ↗S647: full source recordInspect review dependencies → (private workspace)
