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Phoenix Contact · Signal Conditioner
2903173 is a Phoenix Contact industrial component with Enclosure rating IP20 (IEC 60529); Operating temperature 0...+55 °C (IEC 60068-2-1); Mounting DIN rail / panel. 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 | |
| Rated insulation voltage Ui | 50 V DC |
|---|---|
| Tripping characteristic | 10 mm |
| Input voltage range | 19.2 V DC ... 28.8 V DC |
| Output voltage | 3 V DC ... 48 V DC |
| Mechanical | |
| Weight | 36.1 g |
| Mounting | DIN rail / panel |
| Terminal wire size | 0.14 mm² ... 2.5 mm² |
| Enclosure rating | IP20 (IEC 60529) |
| Environment and compliance | |
| Operating temperature | 0...+55 °C (IEC 60068-2-1) |
| Certifications | CE, UL, cULus |
Values follow the Phoenix Contact Signal Conditioner specification for this catalog number; parameters not confirmed for this variant are omitted rather than estimated.
| Phoenix Contact Signal Conditioner variants | |||
| Catalog number | Mounting | ||
|---|---|---|---|
| 2903173 (this page) | DIN rail / panel | ||
| 2903171 | DIN rail / panel | ||
| 2903241 | DIN rail / panel | ||
| 2903242 | DIN rail / panel | ||
Before selecting an alternative, confirm its dimensions, terminals and installation requirements in the manufacturer documentation.
The 2903173 is the device-level element in a Phoenix Contact industrial component installation. It receives the field signals and control supply listed above — the rated supply — 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.
Phoenix Contact 2903173 — 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 2903173; record the nameplate data of the unit being replaced before selecting an equivalent.
Datasheets and compliance documents are available on request; quote the full catalog number when enquiring.
Q.For 2903173, what does the specification table state about mounting?
The specification table lists mounting = DIN rail / panel for Phoenix Contact 2903173. Use the value as the reference when sourcing a current-production equivalent.
Q.Which value is published under output voltage for catalog number 2903173?
For 2903173, output voltage is given as 3 V DC ... 48 V DC. Check the revision of the installed unit if the catalog number has been superseded.
Q.Before ordering 2903173, which terminal wire size entry should be checked?
The terminal wire size entry quoted above is 0.14 mm² ... 2.5 mm². Compare it with the nameplate of the installed unit before ordering.
Q.How do I confirm compatibility of 2903173 before ordering?
Match the catalog number 2903173 and the specification values listed above against the installed unit, then confirm the firmware or hardware revision where a revision-sensitive part is involved.
Q.Can the 2903173 replace the unit currently installed in my panel?
Compare catalog number 2903173 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.
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.
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