Phoenix Contact · Contactron motor starter
2904933 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.
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Enclosure ratingIP20 (IEC 60529)
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Operating temperature0...+55 °C (IEC 60068-2-1)
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MountingDIN rail / panel
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CertificationsCE, UL, cULus
Specifications
| Electrical |
| Rated speed |
10/100 Mbps |
| Mechanical |
| Weight |
40.8 g |
| 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 |
| Humidity |
25 % ... 95 % (non-condensing) |
Values follow the Phoenix Contact Contactron motor starter specification for this catalog number; parameters not confirmed for this variant are omitted rather than estimated.
Model comparison in the same family
| Phoenix Contact Contactron motor starter variants |
| Catalog number |
Mounting |
|
2904933 (this page) |
DIN rail / panel |
| 2904313 |
DIN rail / panel |
| 2904468 |
DIN rail / panel |
| 2904490 |
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 2904933 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.
Selection notes for Phoenix Contact 2904933
Phoenix Contact 2904933 — 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 2904933; always cross-check the catalog number and hardware revision on the nameplate before placing an order.
- Humidity: 25 % ... 95 % (non-condensing) — Match it to the existing panel and upstream protection.
- Operating temperature: 0...+55 °C (IEC 60068-2-1) — Record it with the other nameplate data when sourcing a replacement.
- Certifications: CE, UL, cULus — Confirm the revision of the installed unit before a like-for-like replacement.
- Rated speed: 10/100 Mbps — Use it as the reference when cross-checking a current-production equivalent.
Available from stock with datasheet, certificates and a quotation on request.
Common questions about 2904933
Q.For 2904933, what does the specification table state about operating temperature?
The specification table lists operating temperature = 0...+55 °C (IEC 60068-2-1) for Phoenix Contact 2904933. Compare it with the nameplate of the installed unit before ordering.
Q.Which value is published under rated speed for catalog number 2904933?
For 2904933, rated speed is given as 10/100 Mbps. Confirm this figure against the unit currently in the panel.
Q.Before ordering 2904933, which humidity entry should be checked?
The humidity entry quoted above is 25 % ... 95 % (non-condensing). Use the value as the reference when sourcing a current-production equivalent.
Q.Can the 2904933 replace the unit currently installed in my panel?
Compare catalog number 2904933 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.What should I include in an enquiry for 2904933?
Send the full catalog number 2904933, the required quantity and a photo of the nameplate. Stock, lead time and the applicable compliance documents can then be confirmed for Phoenix Contact 2904933.