The AM8372 water-cooled servomotor is suitable for drive solutions with highest demands on dynamics and performance in the 100…480 V AC voltage range. The standstill torque of the motor is 129.00 Nm. It is available with the OCT feedback system (absolute encoder). The water-cooled servomotor with flange code F7 (194 mm) and motor length 2 has a shaft diameter 38 k6 and a free shaft end of 80 mm.
Product status:
regular delivery
| Product variants | Standstill torque | Standstill current | Rated speed |
|---|---|---|---|
| AM8372-wRyz | 130 Nm | 26.8 A | 850 min-1 |
| AM8372-wTyz | 129 Nm | 48.9 A | 1500 min-1 |
| AM8372-wVyz | 129 Nm | 92.1 A | 3000 min-1 |
Product information
| Data for 400 V AC | AM8372-wRyz |
|---|---|
| Motor type | permanent magnet-excited three-phase synchronous motor |
| Nominal voltage | 100…480 V AC |
| Standstill torque | 130 Nm |
| Rated torque | 117 Nm |
| Peak torque | 173 Nm |
| Rated speed | 850 min-1 |
| Rated power | 10.4 kW |
| Standstill current | 26.8 A |
| Peak current | 36.3 A |
| Torque constant | 4.85 Nm/A |
| Rotor moment of inertia | 92.2 kgcm² |
| Motor feedback | resolver, single-turn absolute encoder
OCT, 24 bit, SIL 2-capable, single-turn or multi-turn absolute encoder, electronic nameplate OCT, 24 bit, SIL 2-capable, single-turn or multi-turn absolute encoder, electronic nameplate, B/SSD |
| Cooling | water cooling |
| Connection technology | M40 speedtec® plug |
| Ambient temperature (operation) | 5…40°C |
| Approvals/markings | CE, cURus in preparation |
All electric quantities are RMS values.
| Housing data | AM80xx |
|---|---|
| Protection rating | IP54, IP65 (shaft seal) |
| Design form | flange-mounted according to IM B5, IM V1, IM V3 |
| Material | aluminum |
| Coating/surface | acrylic powder-coated, dark gray, similar to RAL7016 |

| Dimensions | AM8372-wRyz |
|---|---|
| k (without brake) | 269 mm |
| k (with brake) | 341.5 mm |
| Order reference
AM8372-wRyz | |
|---|---|
| w = 0 | smooth shaft |
| w = 1 | shaft with groove and feather key according to DIN 6885 |
| w = 2 | shaft with IP65 sealing ring, smooth shaft |
| w = 3 | shaft with IP65 sealing ring, shaft with groove and feather key |
| w = 4 | shaft with IP65 sealing ring, smooth shaft and sealing air connection |
| w = 5 | shaft with IP65 sealing ring, shaft with groove and feather key and sealing air connection |
| y = 0 | 2-cable standard: feedback resolver |
| y = GPreferred type | One Cable Technology for power and feedback: feedback transmission via motor cable, no feedback cable necessary, electronic nameplate, single-turn, absolute position within one revolution, resolution 24 bit, SIL 2-capable (mandatory for TwinSAFE Safe Motion functions at AX8xxx-x2xx) |
| y = HPreferred type | One Cable Technology for power and feedback: feedback transmission via motor cable, no feedback cable necessary, electronic nameplate, multi-turn, absolute position within 4096 revolutions, resolution 24 bit, SIL 2-capable (mandatory for TwinSAFE Safe Motion functions at AX8xxx-x2xx) |
| y = L | One Cable Technology for power and feedback: feedback transmission via motor cable, no feedback cable necessary, electronic nameplate, multi-turn, absolute position within 4096 revolutions, resolution 24 bit, SIL 2-capable (mandatory for TwinSAFE Safe Motion functions at AX8xxx-x2xx), Beckhoff Smart System Diagnosis (B/SSD) |
| y = N | without feedback (sensorless) |
| z = 0 | without holding brake |
| z = 1 | with backlash-free permanent magnet holding brake |
| The options cannot be installed in the field. | |
| All electric quantities are RMS values. |
Loading content ...
Loading content ...
Loading content ...
© Beckhoff Automation 2025 - Terms of Use