
RLS RMB20 Rotary Magnetic Encoder Module (20 mm PCB)
RLS · MPN RMB20 (configured) · Maglev ID ac-rls-rmb20
SI Maker in Slovenia, factory not confirmed unknown VERIFIED
Ø20 mm board-level on-axis encoder module with a matching magnet, many output formats; the drop-in motor-end encoder board for small joint motors.
Specifications
| Resolution | up to 13 bit absolute (8,192 counts/rev) |
|---|---|
| Accuracy | up to ±0.5° |
| Max speed | 30,000 rpm (datasheet table); product page states 60,000 rpm |
| Interface | Analogue sin/cos; binary parallel; incremental; linear voltage; RS422; SSI |
| Form | on-axis module: Ø20 mm circular PCB + magnet |
| Sensing | Hall (on-axis) |
| Supply | 5 V ±5 % (35 mA max) |
| Bore / ring ID | n/a |
| Outer diameter | Ø20 mm |
| Operating temp | -40 °C to +125 °C |
Who makes it
MakerRLS merilna tehnika d.o.o. (Renishaw associate)
Based inSlovenia
RoleBrand owner
Need a different shaft, connector, firmware or enclosure, or a price at 1,000 units? Maglev takes the catalog part to the factory and comes back with a custom version and one fixed price.
Landed cost in the US
CN
37.5%
TW
10%
VN
12.5%
IN
10%
JP
12.5%
KR
12.5%
DE
10%
MX
10%
US
0%
Total US duty on this part by where it is made (2026-10-29). Mexico shown before USMCA preference; qualifying goods enter duty free. Your factory choice, not the shipping port, sets the origin.
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Compliance
| HTS classification | 9031.80.80.85 typical, not a ruling |
|---|---|
| NDAA | unknown |
| Blue UAS | unknown |
| FCC | n/a |
Equivalents from other makers
Sources
- https://www.rls.si/eng/rmb20-10specs, image, datasheet link
- https://cdn.rls.si/documents/datasheets/RMB20D01_19.pdfdatasheet: typ. ±0.5°, 30,000 rpm
Record confidence: VERIFIED. VERIFIED means the maker's own documents; REPORTED means a credible third party; UNVERIFIED means a single weak source. Anything we could not confirm says unknown.

