Procurement teams shortlist AM8121-WFYZ with Beckhoff Am8032 Whyz, Beckhoff Am8064 Wnyz and Beckhoff Am8141 Wnyz, aligning budget approvals, warranty terms, and multisite availability for smoother rollout across plants.
AM8121-WFYZ - Beckhoff Rotary Servomotors
Technical Specifications of Beckhoff Rotary Servomotors AM8121-WFYZ:

| Brand | Beckhoff |
| Product Type | Rotary Servomotors |
| Product | AM8121-WFYZ |
AM8121-WFYZ Beckhoff Rotary Servomotors Technical Specifications
| Specification | Value |
|---|---|
| Motor type | permanent magnet-excited three-phase synchronous motor |
| Nominal voltage | 24..48 V DC |
| Standstill torque | 0.50 Nm |
| Rated torque | 0.50 Nm |
| Peak torque | 2 Nm |
| Rated speed | 3000 min-1 |
| Rated power | 0.16 kW |
| Standstill current | 4.0 A |
| Peak current | 17.0 A |
| Torque constant | 0.13 Nm/A |
| Rotor moment of inertia | 0.134 kgcm² |
| Motor feedback | resolver, single-turn absolute encoderOCT, 18 bit, single-turn or multi-turn absolute encoder, electronic nameplateOCT, 24 bit, SIL 2-capable, single-turn or multi-turn absolute encoder, electronic nameplateOCT, EnDat® 3, 19 bit, SIL 3-capable, single-turn or multi-turn absolute encoder, electronic nameplate |
| Cooling | convection |
| Connection technology | itec®plug |
| Ambient temperature (operation) | 5..40°C |
| Approvals/markings | CE, cURus |
| Housing - Protection rating | IP54, IP65 (shaft seal) |
| Housing - Design form | flange-mounted according to IM B5, IM V1, IM V3 |
| Housing - Material | aluminum |
| Housing - Coating/surface | dark gray powder coating, similar to RAL7016 |
| Dimensions - a | 40 j6 |
| Dimensions - b | 9 k6 |
| Dimensions - d | 20 mm |
| Dimensions - l | 63 mm |
| Dimensions - r | 58 mm |
| Dimensions - k (without brake) | 111.5 mm |
| Dimensions - k (with brake) | 146 mm |




