Phoenix Contact · Terminal Block
2903779 is a Phoenix Contact 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) |
| Tripping characteristic |
8 mm |
| Mechanical |
| Weight |
92 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 Terminal Block specification for this catalog number; parameters not confirmed for this variant are omitted rather than estimated.
Model comparison in the same family
| Phoenix Contact Terminal Block variants |
| Catalog number |
Rated current Ie |
Rated operational voltage |
Mounting |
|
2903779 (this page) |
up to 41 A (IEC 60947-7-1) |
800 V (IEC 60947-7-1) |
DIN rail / panel |
| 2903777 |
up to 41 A (IEC 60947-7-1) |
800 V (IEC 60947-7-1) |
DIN rail / panel |
| 2903778 |
up to 41 A (IEC 60947-7-1) |
800 V (IEC 60947-7-1) |
DIN rail / panel |
| 2903780 |
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 2903779 is the device-level element in a Phoenix Contact 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 Phoenix Contact 2903779
Phoenix Contact 2903779 — 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 2903779; verify the catalog number against your bill of materials before requesting a quotation.
- Certifications: CE, UL, cULus — Check this value against the nameplate of the installed unit before ordering.
- Tripping characteristic: 8 mm — Match it to the existing panel and upstream protection.
- Rated operational voltage: 800 V (IEC 60947-7-1) — Record it with the other nameplate data when sourcing a replacement.
- Weight: 92 g — Confirm the revision of the installed unit before a like-for-like replacement.
Available from stock with datasheet, certificates and a quotation on request.
Common questions about 2903779
Q.Where can I find the weight data for 2903779?
It is listed in the specification table for Phoenix Contact 2903779 as 92 g. Confirm this figure against the unit currently in the panel.
Q.For 2903779, what does the specification table state about terminal wire size?
The specification table lists terminal wire size = 0.14 mm² ... 2.5 mm² for Phoenix Contact 2903779. Use the value as the reference when sourcing a current-production equivalent.
Q.Which value is published under mounting for catalog number 2903779?
For 2903779, mounting is given as DIN rail / panel. Check the revision of the installed unit if the catalog number has been superseded.
Q.What should I include in an enquiry for 2903779?
Send the full catalog number 2903779, the required quantity and a photo of the nameplate. Stock, lead time and the applicable compliance documents can then be confirmed for Phoenix Contact 2903779.
Q.Can the 2903779 replace the unit currently installed in my panel?
Compare catalog number 2903779 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.