Phoenix Contact · Communication Module
2855745 is a Phoenix Contact circuit breaker with Tripping characteristic 8 mm; Breaking capacity Icu/Ics FO; Supply voltage 24 V DC (IEC 61131-2). 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.
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Tripping characteristic8 mm
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Breaking capacity Icu/IcsFO
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Supply voltage24 V DC (IEC 61131-2)
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Enclosure ratingIP20 (IEC 60529)
Specifications
| Electrical |
| Breaking capacity Icu/Ics |
FO |
| Tripping characteristic |
8 mm |
| Supply voltage |
24 V DC (IEC 61131-2) |
| Rated speed |
2 Mbps |
| I/O and communication |
| Bus interface |
max. 63 |
| Mechanical |
| Weight |
283.5 g |
| Mounting |
35 mm DIN rail (IEC 60715) |
| Terminal wire size |
0.08 mm² ... 1.5 mm² |
| Enclosure rating |
IP20 (IEC 60529) |
| Environment and compliance |
| Operating temperature |
0...+55 °C (IEC 60068-2-1) |
| Certifications |
CE, UL, cULus |
| Humidity |
75 % ... 85 % |
Values follow the Phoenix Contact Communication Module specification for this catalog number; parameters not confirmed for this variant are omitted rather than estimated.
Model comparison in the same family
| Phoenix Contact Communication Module variants |
| Catalog number |
Breaking capacity Icu/Ics |
|
2855745 (this page) |
FO |
| 2860358 |
FO |
| 2861218 |
— |
| 2861506 |
— |
Before selecting an alternative, confirm its dimensions, terminals and installation requirements in the manufacturer documentation.
Where it sits in the control system
The 2855745 is the device-level element in a Phoenix Contact circuit breaker installation. It receives the field signals and control supply listed above — 24 V DC (IEC 61131-2) — 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.
Selection notes for Phoenix Contact 2855745
Phoenix Contact 2855745 — 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 2855745; record the nameplate data of the unit being replaced before selecting an equivalent.
- Supply voltage: 24 V DC (IEC 61131-2) — Use it as the reference when cross-checking a current-production equivalent.
- Mounting: 35 mm DIN rail (IEC 60715) — Verify it in the project documentation before confirming the order.
- Weight: 283.5 g — Check this value against the nameplate of the installed unit before ordering.
- Rated speed: 2 Mbps — Match it to the existing panel and upstream protection.
For a discontinued unit, match function and electrical ratings rather than the label alone.
Common questions about 2855745
Q.Before ordering 2855745, which breaking capacity Icu/Ics entry should be checked?
The breaking capacity Icu/Ics entry quoted above is FO. Confirm this figure against the unit currently in the panel.
Q.Where can I find the enclosure rating data for 2855745?
It is listed in the specification table for Phoenix Contact 2855745 as IP20 (IEC 60529). Use the value as the reference when sourcing a current-production equivalent.
Q.For 2855745, what does the specification table state about terminal wire size?
The specification table lists terminal wire size = 0.08 mm² ... 1.5 mm² for Phoenix Contact 2855745. Check the revision of the installed unit if the catalog number has been superseded.
Q.How do I confirm compatibility of 2855745 before ordering?
Match the catalog number 2855745 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 2855745 replace the unit currently installed in my panel?
Compare catalog number 2855745 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.