3RH21221AK60 vs 3RH21311AP60 — parameter matrix
Comparison matrix
Industrial parameter delta view (differing rows only). Toggle highlight to stress changed cells for cabinet retrofit reviews.
| Parameter | 3RH21221AK60 | 3RH21311AP60 |
|---|---|---|
| Coil Voltage | 120VAC | 240VAC |
| Must Operate Voltage | 102 VAC | 204 VAC |
| Base Product Number | 3RH21221 | 3RH21311 |
Table lists differing catalog rows only; highlight calls attention to the delta cells.
Catalog selection insight
One-line delta from headline spec rows — screening language only, not a suitability or substitution decision.
3RH21221AK60: supply / I/O voltage headline differs from 3RH21311AP60 (120VAC vs 240VAC) — re-check fuse sizing, surge rating, and SELV/PELV boundaries. 3RH21221AK60: headline supply differs from 3RH21311AP60 — treat as a different electrical platform until PSU, protection, and I/O are revalidated (not a same-rail swap by catalog text alone).
Technical screening notes (catalog snapshot)
Deterministic text from normalized spec keys — not live field-application-engineering advice or manufacturer sign-off.
Technical screening note for 3RH21221AK60 vs 3RH21311AP60: this catalog snapshot lacks obvious isolation/EMC/protocol rows — expand the PDP specification table or open the PDF for creepage, surge, and bus timing before any design change.
Catalog screening tiers (heuristic)
Three non-authoritative screening tiers (mechanical token, functional checklist, planning notes) mirror the JSON-Ld ItemList on this page — not manufacturer substitution letters or field approvals.
Mechanical / packaging row (not interchange)
No substantive shared package token — treat as independent mechanical designs, not a hot swap, until your own checks pass.
Functional screening checklist
Run isolation, supply range, bus timing, and software/runtime checks against your deployed baseline. Matching tokens here do **not** prove interchange — only your qualification tests do.
Design-change planning notes
If you intend a product change, favor wider temperature, higher isolation withstand, or newer fieldbus only **after** manufacturer guidance, software licensing, and enclosure clearance are confirmed — not from this matrix alone.
3RH21221AK60 vs 3RH21311AP60
Tool-style compare: isolation, supply, IP, rail, fieldbus, and EMC rows are surfaced first when present. Open each PDP for PDF revisions and RFQ.
Compatibility screening (catalog text)
Same deterministic tiers as the compare module above — for engineering checklists only, not approved alternates. Supply, protocol, and processor headline mismatches surface as warnings when present.
- 1. Mechanical / packaging row (not interchange)
No substantive shared package token — treat as independent mechanical designs, not a hot swap, until your own checks pass.
- 2. Functional screening checklist
Run isolation, supply range, bus timing, and software/runtime checks against your deployed baseline. Matching tokens here do **not** prove interchange — only your qualification tests do.
- 3. Design-change planning notes
If you intend a product change, favor wider temperature, higher isolation withstand, or newer fieldbus only **after** manufacturer guidance, software licensing, and enclosure clearance are confirmed — not from this matrix alone.
Technical compliance & certifications
Values below are extracted from normalized catalog specification keys and brand-level certification lists (where present). They mirror manufacturer datasheet legends when those strings were captured in the catalog row — not a certificate download. This page was machine-aligned on 2026-05-12 for technical selection support only; it is not the sole basis for installation or safety sign-off in your jurisdiction.
3RH21221AK60
- RoHS / restricted substances statements
3RH21311AP60
- RoHS / restricted substances statements