| Layer | Connector | Connector | Connector |
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| Key distinction | A familiar shell, blade or coding family does not establish voltage, current, wiring, grounding, mating or safe operation. | Power connector identity is not authorization to mate two devices. Voltage, current, conductor size, protection and equipment requirements must all be checked independently. | A familiar shell, blade or coding family does not establish voltage, current, wiring, grounding, mating or safe operation. |
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| Nominal contacts | 5S297Source-backed nominal position/contact/conductor count for identification: 5. Not a wiring diagram or installation instruction. | 5S273Source-backed nominal position/contact count: 5. | 6S298Source-backed nominal position/contact/conductor count for identification: 6. Not a wiring diagram or installation instruction. |
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| Positions / cavity span | 5 (Claim C268A); 5 (Claim C268B); 5 (Claim C268C); 5 (Phoenix Contact 1276606 / connection 1)S297 · S329 · S647 · S329Source-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 coding and standards-context reference only; not a universal M12 K wiring, energized-work or installation statement. V178 M12 K family application distinction; no exact-part electrical specification or wiring instruction. Original bounded manufacturer paraphrase; publication and technical review pending. Phoenix Contact 1276606 / connection 1. Named primary-source example only. Identification facts do not certify mating, electrical compatibility, fabrication or powered use. | 5 (Claim C253A); 5 (Claim C253B); 4 (Claim C253E); 5 (Phoenix Contact 1276587 / connection 1)S273 · S290 · S569 · S564Source-scoped examples are separate; select the exact variant and measured axis. V43 catalogue-expansion identification fact only; not independent technical approval, fabrication data, wiring instruction, protocol guarantee or end-to-end compatibility proof. V44 product-specific electrical boundary only. Values are not generalized to every M12 L-coded connector, cable, installation or load. V138 source-qualified recognition of the named configurable assembly only; no universal rating, unknown-equipment compatibility, wiring, dimensions, energized work or independent approval. Phoenix Contact 1276587 / connection 1. Named primary-source example only. Identification facts do not certify mating, electrical compatibility, fabrication or powered use. | 6 (Claim C269A); 6 (Claim C269B); 6 (Phoenix Contact 1276555 / connection 1)S298 · S330 · S853Source-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 coding/keying reference only; not a universal M12 M wiring, energized-work or installation statement. Phoenix Contact 1276555 / connection 1. Named primary-source example only. Identification facts do not certify mating, electrical compatibility, fabrication or powered use. |
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| Populated contacts | Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations. | Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations. | Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations. |
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| Contact rows | Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations. | Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations. | Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations. |
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| Contact pitch | Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations. | Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations. | Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations. |
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| Dimensions / axis | Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations. | Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations. | Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations. |
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| Connector role | Straight M12 power cable plug; other end free cable (Phoenix Contact 1276606 / connection 1)S329Source-scoped examples are separate; select the exact variant and measured axis. Phoenix Contact 1276606 / connection 1. Named primary-source example only. Identification facts do not certify mating, electrical compatibility, fabrication or powered use. | plug; Angled M12 power cable plug; other end free cable (Phoenix Contact 1276587 / connection 1)S273 · S290 · S564Source-scoped examples are separate; select the exact variant and measured axis. M12 L-coded power-cable plug Phoenix Contact 1276587 / connection 1. Named primary-source example only. Identification facts do not certify mating, electrical compatibility, fabrication or powered use. | Straight M12 power cable plug; other end free cable (Phoenix Contact 1276555 / connection 1)S853Source-scoped examples are separate; select the exact variant and measured axis. Phoenix Contact 1276555 / connection 1. Named primary-source example only. Identification facts do not certify mating, electrical compatibility, fabrication or powered use. |
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| Coupling / latch | Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations. | Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations. | Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations. |
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| Keying / polarization | K coding (Phoenix Contact 1276606 / connection 1)S329Source-scoped examples are separate; select the exact variant and measured axis. Phoenix Contact 1276606 / connection 1. Named primary-source example only. Identification facts do not certify mating, electrical compatibility, fabrication or powered use. | L coding (Phoenix Contact 1276587 / connection 1)S564Source-scoped examples are separate; select the exact variant and measured axis. Phoenix Contact 1276587 / connection 1. Named primary-source example only. Identification facts do not certify mating, electrical compatibility, fabrication or powered use. | M coding (Phoenix Contact 1276555 / connection 1)S853Source-scoped examples are separate; select the exact variant and measured axis. Phoenix Contact 1276555 / connection 1. Named primary-source example only. Identification facts do not certify mating, electrical compatibility, fabrication or powered use. |
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| Documented identification | 5-position/contact/conductor recognition fact in the cited implementation.C268A | 5-position/contact recognition fact in the cited implementation.C253A | 6-position/contact/conductor recognition fact in the cited implementation.C269A |
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| Evidence | C268A,C268C → Independent review pending | C253A,C253C,C253D,C253E,C253F → Independent review pending | C269A → Independent review pending |
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