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Phoenix Contact · Temperature Transmitter
2811556 is a Phoenix Contact industrial component with Supply voltage 11...30 V DC (loop powered); Enclosure rating IP66 / IP67 (IEC 60529); Operating temperature -40...+85 °C (IEC 60068-2-1). 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.
| Electrical | |
| Rated insulation voltage Ui | 300 V rms |
|---|---|
| Tripping characteristic | 10 mm |
| Supply voltage | 11...30 V DC (loop powered) |
| Power consumption | ≤ 700 mW |
| Frequency | 10 kHz (Can be switched to 30 Hz) |
| I/O and communication | |
| Response time | 35 µs (10 kHz) |
| Safety integrity SIL/PL | 2 |
| Mechanical | |
| Weight | 169.5 g |
| Mounting | DIN rail mounting |
| Terminal wire size | 0.2 mm² ... 2.5 mm² |
| Enclosure rating | IP66 / IP67 (IEC 60529) |
| Environment and compliance | |
| Operating temperature | -40...+85 °C (IEC 60068-2-1) |
| Certifications | CE, UL, cULus |
| Humidity | B |
Values follow the Phoenix Contact Temperature Transmitter specification for this catalog number; parameters not confirmed for this variant are omitted rather than estimated.
| Phoenix Contact Temperature Transmitter variants | |||
| Catalog number | Mounting | ||
|---|---|---|---|
| 2811556 (this page) | DIN rail mounting | ||
| 2811569 | DIN rail mounting | ||
| 2811103 | DIN rail mounting | ||
| 2811297 | DIN rail mounting | ||
Before selecting an alternative, confirm its dimensions, terminals and installation requirements in the manufacturer documentation.
The 2811556 is the device-level element in a Phoenix Contact industrial component installation. It receives the field signals and control supply listed above — 11...30 V DC (loop powered) — 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 mounting support. Record the catalog number and revision from the nameplate of the installed unit before specifying a like-for-like spare.
Phoenix Contact 2811556 — 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 2811556; size the surrounding wiring and upstream protection to these published ratings rather than to a generic assumption.
Available from stock with datasheet, certificates and a quotation on request.
Q.Before ordering 2811556, which supply voltage entry should be checked?
The supply voltage entry quoted above is 11...30 V DC (loop powered). Use the value as the reference when sourcing a current-production equivalent.
Q.Where can I find the frequency data for 2811556?
It is listed in the specification table for Phoenix Contact 2811556 as 10 kHz (Can be switched to 30 Hz). Check the revision of the installed unit if the catalog number has been superseded.
Q.For 2811556, what does the specification table state about humidity?
The specification table lists humidity = B for Phoenix Contact 2811556. Compare it with the nameplate of the installed unit before ordering.
Q.How do I confirm compatibility of 2811556 before ordering?
Match the catalog number 2811556 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 2811556 replace the unit currently installed in my panel?
Compare catalog number 2811556 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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