Couldn't load pickup availability
Got questions?
Feel free to get in touch
Ask an expert!
Allen-Bradley · Communication Module
1784-SD1 is an Allen-Bradley industrial component with Supply voltage 24 V DC (IEC 61131-2); Enclosure rating IP20 (IEC 60529); Operating temperature 0...+55 °C (IEC 60068-2-1). 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.
| Electrical | |
| Supply voltage | 24 V DC (IEC 61131-2) |
|---|---|
| Mechanical | |
| Mounting | DIN rail / panel |
| 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 Communication Module specification for this catalog number; parameters not confirmed for this variant are omitted rather than estimated.
| Allen-Bradley Communication Module variants | |||
| Catalog number | Mounting | ||
|---|---|---|---|
| 1784-SD1 (this page) | DIN rail / panel | ||
| 1784-SD2 | DIN rail / panel | ||
| 1784-CP10 | DIN rail / panel | ||
| 1784-PCM6 | DIN rail / panel | ||
Before selecting an alternative, confirm its dimensions, terminals and installation requirements in the manufacturer documentation.
The 1784-SD1 is the device-level element in an Allen-Bradley industrial component installation. It receives the field signals and control supply listed above — 24 V DC (IEC 61131-2) — and switches or conditions the load within the the rated 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.
Allen-Bradley 1784-SD1 — 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 1784-SD1; record the nameplate data of the unit being replaced before selecting an equivalent.
For a discontinued unit, match function and electrical ratings rather than the label alone.
Q.For 1784-SD1, what does the specification table state about operating temperature?
The specification table lists operating temperature = 0...+55 °C (IEC 60068-2-1) for Allen-Bradley 1784-SD1. Confirm this figure against the unit currently in the panel.
Q.Which value is published under supply voltage for catalog number 1784-SD1?
For 1784-SD1, supply voltage is given as 24 V DC (IEC 61131-2). Use the value as the reference when sourcing a current-production equivalent.
Q.Before ordering 1784-SD1, which certifications entry should be checked?
The certifications entry quoted above is CE, UL, cULus. Check the revision of the installed unit if the catalog number has been superseded.
Q.What should I include in an enquiry for 1784-SD1?
Send the full catalog number 1784-SD1, the required quantity and a photo of the nameplate. Stock, lead time and the applicable compliance documents can then be confirmed for Allen-Bradley 1784-SD1.
Q.How do I confirm compatibility of 1784-SD1 before ordering?
Match the catalog number 1784-SD1 and the specification values listed above against the installed unit, then confirm the firmware or hardware revision where a revision-sensitive part is involved.
Standard (US & Canada, tracked courier): delivered in 5–8 business days. In-stock items are processed within 2–4 business days. USD 25 flat rate on orders under $500.00; free on orders of $500.00 and above.
Express (DHL Express / FedEx International): upgraded expedited delivery in 2–4 business days. The Express surcharge is calculated at checkout based on destination and order weight.
Non-Stock / On-Order items ship on request: dispatch time is confirmed before your order — see our Shipping Policy. Shipping charges and available services are displayed at checkout. See the Shipping Policy for details.
Every product is covered by a 12-month seller warranty provided by SHLY-PLC, effective from the date of delivery, against defects in materials and workmanship under normal use.
This warranty does not cover damage from misuse, improper installation, power surges, neglect, unauthorized repair, or normal wear and tear. See our Return Policy for warranty-claim instructions.
No reviews yet. Be the first to review this product!
