Phoenix Contact · Terminal Block
2903786 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 |
253 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 |
|
2903786 (this page) |
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 |
| 2903781 |
up to 41 A (IEC 60947-7-1) |
800 V (IEC 60947-7-1) |
DIN rail / panel |
| 2903782 |
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 2903786 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 2903786
Phoenix Contact 2903786 — 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 2903786; verify the catalog number against your bill of materials before requesting a quotation.
- Weight: 253 g — Verify it in the project documentation before confirming the order.
- Rated operational voltage: 800 V (IEC 60947-7-1) — Check this value against the nameplate of the installed unit before ordering.
- Certifications: CE, UL, cULus — Match it to the existing panel and upstream protection.
- Mounting: DIN rail / panel — Record it with the other nameplate data when sourcing a replacement.
For a discontinued unit, match function and electrical ratings rather than the label alone.
Common questions about 2903786
Q.For 2903786, what does the specification table state about rated operational voltage?
The specification table lists rated operational voltage = 800 V (IEC 60947-7-1) for Phoenix Contact 2903786. Confirm this figure against the unit currently in the panel.
Q.Which value is published under operating temperature for catalog number 2903786?
For 2903786, operating temperature is given as 0...+55 °C (IEC 60068-2-1). Use the value as the reference when sourcing a current-production equivalent.
Q.Before ordering 2903786, 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.How do I confirm compatibility of 2903786 before ordering?
Match the catalog number 2903786 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 2903786 replace the unit currently installed in my panel?
Compare catalog number 2903786 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.