3RT10666AF360UA0 vs 3RT20241AD04

Comparison matrix

Industrial parameter delta view (differing rows only). Toggle highlight to stress changed cells for cabinet retrofit reviews.

Highlight differences

Normalized specification differences for 3RT10666AF360UA0 and 3RT20241AD04
Parameter	3RT10666AF360UA0	3RT20241AD04
Coil Voltage	110 to 127VAC/DC	42VAC
Must Operate Voltage	-	33.6 VAC
Switching Voltage	1000VAC - Max	690VAC - Max
Base Product Number	3RT1066	3RT2024
Coil Power	650 W	65VA
Contact Rating (current)	330 A	12 A
Operate Time	95 ms	40 ms
Release Time	80 ms	16 ms

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.

3RT10666AF360UA0: supply / I/O voltage headline differs from 3RT20241AD04 (110 to 127VAC/DC vs 42VAC) — re-check fuse sizing, surge rating, and SELV/PELV boundaries. 3RT10666AF360UA0: headline supply differs from 3RT20241AD04 — 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 3RT10666AF360UA0 vs 3RT20241AD04: 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.

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.