Allen-Bradley · Terminal Block
1492-J3 is an Allen-Bradley terminal block with Rated current Ie up to 41 A (IEC 60947-7-1); Rated operational voltage 800 V (IEC 60947-7-1); Enclosure rating IP20 (IEC 60529). It is used in control panels, machine builds, spare-part replacements where the installed unit is matched to the original catalog number and a compact, documented part is required.
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Rated current Ieup to 41 A (IEC 60947-7-1)
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Rated operational voltage800 V (IEC 60947-7-1)
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Enclosure ratingIP20 (IEC 60529)
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Operating temperature0...+55 °C (IEC 60068-2-1)
Specifications
| Electrical |
| Rated current Ie |
up to 41 A (IEC 60947-7-1) |
| Rated operational voltage |
800 V (IEC 60947-7-1) |
| Mechanical |
| Mounting |
DIN rail / panel |
| Terminal type |
5.1 x 60 x 39.5mm (0.20 x 2.36,x 1.56 in) |
| Terminal wire size |
UR - #22...12 AWG, CSA -,#26...12 AWG, IEC - 2.5mm²,ATEX #20...14 AWG |
| Enclosure rating |
IP20 (IEC 60529) |
| Environment and compliance |
| Operating temperature |
0...+55 °C (IEC 60068-2-1) |
| Certifications |
CE, UL, cULus |
Values follow the Allen-Bradley Terminal Block specification for this catalog number; parameters not confirmed for this variant are omitted rather than estimated.
Model comparison in the same family
| Allen-Bradley Terminal Block variants |
| Catalog number |
Rated current Ie |
Rated operational voltage |
Mounting |
|
1492-J3 (this page) |
up to 41 A (IEC 60947-7-1) |
800 V (IEC 60947-7-1) |
DIN rail / panel |
| 1492-JG3 |
up to 41 A (IEC 60947-7-1) |
800 V (IEC 60947-7-1) |
DIN rail / panel |
| 1492-JG4 |
up to 41 A (IEC 60947-7-1) |
800 V (IEC 60947-7-1) |
DIN rail / panel |
| 1492-CA2 |
up to 41 A (IEC 60947-7-1) |
800 V (IEC 60947-7-1) |
DIN rail / panel |
Before selecting an alternative, confirm its dimensions, terminals and installation requirements in the manufacturer documentation.
Where it sits in the control system
The 1492-J3 is the device-level element in an Allen-Bradley terminal block installation. It receives the field signals and control supply listed above — 800 V (IEC 60947-7-1) — and switches or conditions the load within the up to 41 A (IEC 60947-7-1) ratings shown in the Specifications table. Wiring and protective devices are sized to those same numbers, not to a generic assumption.
Typical installations place it in control panels, machine builds, spare-part replacements, where the unit is matched to the original catalog number and the enclosure provides DIN rail / panel support. Record the catalog number and revision from the nameplate of the installed unit before specifying a like-for-like spare.
Selection notes for Allen-Bradley 1492-J3
Allen-Bradley 1492-J3 — Industrial automation component supplied as a like-for-like replacement, selected by catalog number and published ratings. The figures below are taken from the specification table on this page for catalog number 1492-J3; verify the catalog number against your bill of materials before requesting a quotation.
- Terminal wire size: UR - #22...12 AWG, CSA -,#26...12 AWG, IEC - 2.5mm²,ATEX #20...14 AWG — Record it with the other nameplate data when sourcing a replacement.
- Enclosure rating: IP20 (IEC 60529) — Confirm the revision of the installed unit before a like-for-like replacement.
- Terminal type: 5.1 x 60 x 39.5mm (0.20 x 2.36,x 1.56 in) — Use it as the reference when cross-checking a current-production equivalent.
- Operating temperature: 0...+55 °C (IEC 60068-2-1) — Verify it in the project documentation before confirming the order.
Available from stock with datasheet, certificates and a quotation on request.
Common questions about 1492-J3
Q.Before ordering 1492-J3, which enclosure rating entry should be checked?
The enclosure rating entry quoted above is IP20 (IEC 60529). Check the revision of the installed unit if the catalog number has been superseded.
Q.Where can I find the rated operational voltage data for 1492-J3?
It is listed in the specification table for Allen-Bradley 1492-J3 as 800 V (IEC 60947-7-1). Compare it with the nameplate of the installed unit before ordering.
Q.For 1492-J3, what does the specification table state about terminal wire size?
The specification table lists terminal wire size = UR - #22...12 AWG, CSA -,#26...12 AWG, IEC - 2.5mm²,ATEX #20...14 AWG for Allen-Bradley 1492-J3. Confirm this figure against the unit currently in the panel.
Q.Can the 1492-J3 replace the unit currently installed in my panel?
Compare catalog number 1492-J3 and the ratings above with the nameplate of the installed device. A current-production equivalent is selected by function and electrical rating, not by the label alone.
Q.How do I confirm compatibility of 1492-J3 before ordering?
Match the catalog number 1492-J3 and the specification values listed above against the installed unit, then confirm the firmware or hardware revision where a revision-sensitive part is involved.