Delta · ECMA servo motors
ECMA-F11855R3 is a Delta servo motor with rated speed 1500 rpm and encoder type 20-bit incremental. It is used in CNC axes, robot arms, feeding and indexing drives where the installed unit is matched to the original catalog number and a compact, documented part is required.
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Rated speed1500 rpm
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Encoder type20-bit incremental
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Rated motor voltage class220 V
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Enclosure ratingIP65 (IEC 60529)
Specifications
| Electrical |
| Rated motor voltage class |
220 V |
| Rated speed |
1500 rpm |
| Encoder type |
20-bit incremental |
| Mechanical |
| Enclosure rating |
IP65 (IEC 60529) |
| Environment and compliance |
| Operating temperature |
0...+40 °C (IEC 60068-2-1) |
| Certifications |
CE, UL, cULus |
Rated speed and encoder type are listed where supported by Delta documentation for the model code.
Model comparison in the same family
| ECMA servo motors |
| Catalog number |
Encoder type |
Rated speed |
|
ECMA-F11855R3 (this page) |
20-bit incremental |
1500 rpm |
| ECMA-F11855R3-A2 |
Check exact model |
Check exact model |
| ECMA-F11855S3 |
20-bit incremental |
1500 rpm |
| ECMA-F11830RS |
20-bit incremental |
1500 rpm |
Before choosing a replacement, check the exact model in the manufacturer mounting drawing and terminal diagram.
Where it sits in the control system
The ECMA-F11855R3 is the device-level element in a Delta servo motor installation. Match the motor and servo drive using the manufacturer model and connection diagrams. Delta manufacturer documentation. Wiring and protective devices are sized to those same numbers, not to a generic assumption.
Typical installations place it in CNC axes, robot arms, feeding and indexing drives, where the unit is matched to the original catalog number and the enclosure provides standard panel or DIN-rail support. Record the catalog number and revision from the nameplate of the installed unit before specifying a like-for-like spare.
Selection notes for Delta ECMA-F11855R3
Delta ECMA-F11855R3 — Servo and motion-control component for high-accuracy positioning and synchronised movement. The figures below are taken from the specification table on this page for catalog number ECMA-F11855R3; size the surrounding wiring and upstream protection to these published ratings rather than to a generic assumption.
- Certifications: CE, UL, cULus — Record it with the other nameplate data when sourcing a replacement.
- Operating temperature: 0...+40 °C (IEC 60068-2-1) — Use it as the reference when cross-checking a current-production equivalent.
- Encoder type: 20-bit incremental — Check the complete model number when selecting a replacement.
Available from stock with datasheet, certificates and a quotation on request.
Common questions about ECMA-F11855R3
Q.For ECMA-F11855R3, what does the specification table state about rated speed?
The specification table lists rated speed = 1500 rpm for Delta ECMA-F11855R3. Check the revision of the installed unit if the catalog number has been superseded.
Q.Which value is published under certifications for catalog number ECMA-F11855R3?
For ECMA-F11855R3, certifications is given as CE, UL, cULus. Compare it with the nameplate of the installed unit before ordering.
Q.Before ordering ECMA-F11855R3, which encoder type entry should be checked?
The encoder type entry quoted above is 20-bit incremental. Confirm this figure against the unit currently in the panel.
Q.Can the ECMA-F11855R3 replace the unit currently installed in my panel?
Compare catalog number ECMA-F11855R3 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.
Q.How do I confirm compatibility of ECMA-F11855R3 before ordering?
Match the catalog number ECMA-F11855R3 and the specification values listed above against the installed unit, then confirm the firmware or hardware revision where a revision-sensitive part is involved.