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Phoenix Contact · Contactron motor starter
2900542 is a Phoenix Contact circuit breaker with Tripping characteristic B / C / D (IEC 60947-2); Number of poles 1 / 2 / 3 / 4 (IEC 60947-2); Breaking capacity Icu/Ics 6 kA / 10 kA (IEC 60947-2). It is used in distribution boards, motor protection circuits, panel feeders where the installed unit is matched to the original catalog number and a compact, documented part is required.
| Electrical | |
| Rated insulation voltage Ui | 440 V (IEC 60947-2) |
|---|---|
| Rated impulse withstand Uimp | 4 kV (IEC 60947-2) |
| Breaking capacity Icu/Ics | 6 kA / 10 kA (IEC 60947-2) |
| Tripping characteristic | B / C / D (IEC 60947-2) |
| Number of poles | 1 / 2 / 3 / 4 (IEC 60947-2) |
| Frequency | ≤ 2 Hz (Load-dependent) |
| Rated torque | 0.5 Nm ... 0.6 Nm |
| Mechanical | |
| Weight | 239 g |
| Mounting | 35 mm DIN rail (IEC 60715) |
| Terminal wire size | 0.2 mm² ... 2.5 mm² |
| Enclosure rating | IP20 (IEC 60529) |
| Environment and compliance | |
| Operating temperature | -25...+60 °C (IEC 60068-2-1) |
| Certifications | CE, UL, cULus |
Values follow the Phoenix Contact Contactron motor starter specification for this catalog number; parameters not confirmed for this variant are omitted rather than estimated.
| Phoenix Contact Contactron motor starter variants | |||
| Catalog number | Tripping characteristic | Breaking capacity Icu/Ics | |
|---|---|---|---|
| 2900542 (this page) | B / C / D (IEC 60947-2) | 6 kA / 10 kA (IEC 60947-2) | |
| 2900543 | B / C / D (IEC 60947-2) | 6 kA / 10 kA (IEC 60947-2) | |
| 2900544 | B / C / D (IEC 60947-2) | 6 kA / 10 kA (IEC 60947-2) | |
| 2900545 | B / C / D (IEC 60947-2) | 6 kA / 10 kA (IEC 60947-2) | |
Before selecting an alternative, confirm its dimensions, terminals and installation requirements in the manufacturer documentation.
The 2900542 is the device-level element in a Phoenix Contact circuit breaker 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 distribution boards, motor protection circuits, panel feeders, where the unit is matched to the original catalog number and the enclosure provides 35 mm DIN rail (IEC 60715) support. Record the catalog number and revision from the nameplate of the installed unit before specifying a like-for-like spare.
Phoenix Contact 2900542 — 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 2900542; verify the catalog number against your bill of materials before requesting a quotation.
Cross-check the ratings above with the installed device before confirming the order.
Q.Before ordering 2900542, which enclosure rating entry should be checked?
The enclosure rating entry quoted above is IP20 (IEC 60529). Confirm this figure against the unit currently in the panel.
Q.Where can I find the rated impulse withstand Uimp data for 2900542?
It is listed in the specification table for Phoenix Contact 2900542 as 4 kV (IEC 60947-2). Use the value as the reference when sourcing a current-production equivalent.
Q.For 2900542, what does the specification table state about certifications?
The specification table lists certifications = CE, UL, cULus for Phoenix Contact 2900542. Check the revision of the installed unit if the catalog number has been superseded.
Q.How do I confirm compatibility of 2900542 before ordering?
Match the catalog number 2900542 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 2900542 replace the unit currently installed in my panel?
Compare catalog number 2900542 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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