Schneider BMH2051P12A2A Square D Motor Iec — now discontinued, supplied from remaining surplus and broker stock.
| Parameter | Value |
|---|---|
| Feedback type | Multiturn SinCos Hiperface |
| Type of cooling | Natural convection |
| Product or component type | Servo motor |
| Supply voltage | 480 V |
| Maximum current irms | 72 A LXM32.D72N4 |
| Continuous stall current | 21.5 A |
| Maximum permanent current | 78.1 A |
| Continuous power | 6.8 W |
| Nominal output power | 5400 W LXM32.D72N4 24 A, 400 V, three phase 5400 W LXM32.D72N4 24 A, 480 V, three phase |
| Number of motor poles | 10 |
| Phases | Three phase |
| Network number of phases | 3 |
| Parameter | Value |
|---|---|
| IP degree of protection | IP54 standard |
| Mounting support | International standard flange |
| Mounting holes diameter | 0.6 in (14 mm) |
| Number of mounting holes | 4 |
| Circle diameter of the mounting holes | 8.5 in (215 mm) |
| Electrical connection | Rotatable right-angled connectors |
| Key width | 2.8 in (70 mm) |
| Centring collar depth | 0.2 in (4 mm) |
| Length | 12.6 in (321 mm) |
| Category | US1PC5318282 |
| Shaft end | Keyed |
| Second shaft | Without second shaft end |
| Shaft length | 3.1 in (80 mm) |
| Holding brake | Without |
| Nominal speed | 2000 rpm LXM32.D72N4 24 A, 400 V, three phase 2000 rpm LXM32.D72N4 24 A, 480 V, three phase |
| Rotor inertia | 71.4 kg.cm² |
| Nominal torque | 228.3 lbf.in (25.8 N.m) LXM32.D72N4 24 A, 400 V, three phase 228.3 lbf.in (25.8 N.m) LXM32.D72N4 24 A, 480 V, three phase |
| Shaft diameter | 1.5 in (38 mm) |
| Sizing reference | BMH2051P |
| Back emf constant | 104 V/krpm 248 °F (120 °C) |
| Device short name | BMH |
| Motor flange size | 8.07 in (205 mm) |
| Peak stall torque | 915.2 lbf.in (103.4 N.m) LXM32.D72N4 24 A, 400 V, three phase 915.2 lbf.in (103.4 N.m) LXM32.D72N4 24 A, 480 V, three phase |
| Stator inductance | 5.9 mH 68 °F (20 °C) |
| Stator resistance | 0.3 Ohm 68 °F (20 °C) |
| Temperature magnet rt | 68 °F (20 °C) |
| Maximum axial force fa | 0.2 x Fr |
| Number of motor stacks | 1 |
| Temperature copper hot | 275 °F (135 °C) |
| Temperature magnet hot | 212 °F (100 °C) |
| Continuous stall torque | 304.5 lbf.in (34.4 N.m) LXM32.D72N4 24 A, 400 V, three phase 304.5 lbf.in (34.4 N.m) LXM32.D72N4 24 A, 480 V, three phase |
| Maximum radial force fr | 3730 N 1000 rpm 2960 N 2000 rpm 2580 N 3000 rpm |
| Accuracy error [angular] | 1.4 ° |
| Centring collar diameter | 7.09 in (180 mm) |
| Maximum mechanical speed | 3800 rpm |
| Speed feedback resolution | 131072 points/turn x 4096 turns |
| Stator electrical time constant | 19.7 ms 68 °F (20 °C) |
The BMH2051P12A2A is a Schneider Lexium 32 BMH-frame servo motor rated for 34.4 N.m continuous torque at 480 V three-phase, delivering 5400 W output with a 10-pole design that keeps cogging torque low for smooth low-speed positioning. It carries a multiturn SinCos Hiperface encoder resolving 131072 points per turn over 4096 turns, is sealed to IP54, and ships without a holding brake or second shaft end.
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