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Delta · ECMA servo motors
ECMA-J11020R4 is a Delta servo motor with rated speed 3000 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.
| Electrical | |
| Rated motor voltage class | 400 V |
|---|---|
| Rated speed | 3000 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.
| ECMA servo motors | ||
| Catalog number | Encoder type | Rated speed |
|---|---|---|
| ECMA-J11020R4 (this page) | 20-bit incremental | 3000 rpm |
| ECMA-J11020RS | 20-bit incremental | 3000 rpm |
| ECMA-J11020SS | 20-bit incremental | 3000 rpm |
| ECMA-J11010RS | 20-bit incremental | 3000 rpm |
Before choosing a replacement, check the exact model in the manufacturer mounting drawing and terminal diagram.
The ECMA-J11020R4 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.
Delta ECMA-J11020R4 — 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-J11020R4; confirm the installed unit's part number and revision so the replacement matches both electrically and mechanically.
Cross-check the ratings above with the installed device before confirming the order.
Q.Where can I find the encoder type data for ECMA-J11020R4?
It is listed in the specification table for Delta ECMA-J11020R4 as 20-bit incremental. Confirm this figure against the unit currently in the panel.
Q.For ECMA-J11020R4, what does the specification table state about enclosure rating?
The specification table lists enclosure rating = IP65 (IEC 60529) for Delta ECMA-J11020R4. Use the value as the reference when sourcing a current-production equivalent.
Q.Which value is published under operating temperature for catalog number ECMA-J11020R4?
For ECMA-J11020R4, operating temperature is given as 0...+40 °C (IEC 60068-2-1). Check the revision of the installed unit if the catalog number has been superseded.
Q.How do I confirm compatibility of ECMA-J11020R4 before ordering?
Match the catalog number ECMA-J11020R4 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 ECMA-J11020R4 replace the unit currently installed in my panel?
Compare catalog number ECMA-J11020R4 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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