The AM8374 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 depends on the winding and is in the range of 218.70…258.50 Nm. The water-cooled servomotor with flange code F7 (194 mm) and motor length 4 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 |
|---|---|---|---|
| AM8374-wUyz | 259 Nm | 51.8 A | 750 min-1 |
| AM8374-wVyz | 219 Nm | 78.6 A | 1500 min-1 |
| AM8374-wXyz | 233 Nm | 125 A | 2500 min-1 |
Product information
| Data for 400 V AC | AM8374-wUyz |
|---|---|
| Motor type | permanent magnet-excited three-phase synchronous motor |
| Nominal voltage | 100…480 V AC |
| Standstill torque | 259 Nm |
| Rated torque | 249 Nm |
| Peak torque | 355 Nm |
| Rated speed | 750 min-1 |
| Rated power | 19.6 kW |
| Standstill current | 51.8 A |
| Peak current | 66.7 A |
| Torque constant | 4.99 Nm/A |
| Rotor moment of inertia | 180 kgcm² |
| Motor feedback | resolver, single-turn absolute encoder
HIPERFACE®, multi-turn absolute encoder |
| Cooling | water cooling |
| Connection technology | terminal box |
| 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 | AM8374-wUyz |
|---|---|
| k (without brake) | 398.5 mm |
| k (with brake) | 459.5 mm |
| Order reference
AM8374-wUyz | |
|---|---|
| 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 = 4 | 2-cable standard: feedback multi-turn, absoulte encoder SKM36, 128 sincos periods |
| 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. |
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