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- Schneider Electric BMH1903P21F2A Lexium 32 BMH 65 N·m 3500 rpm 190 mm Flange Brake Untapped Shaft Servo Motor Schneider Electric BMH1903P21F2A Lexium 32 BMH 65 N·m 3500 rpm 190 mm Flange Brake Untapped Shaft Servo Motor
Schneider Electric BMH1903P21F2A Lexium 32 BMH 65 N·m 3500 rpm 190 mm Flange Brake Untapped Shaft Servo Motor
Schneider Electric BMH1903P21F2A Lexium 32 BMH 65 N·m 3500 rpm 190 mm Flange Brake Untapped Shaft Servo Motor
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- Description
The Schneider Electric BMH1903P21F2A is a Lexium 32 series servo motor rated for 65 N·m continuous stall torque on a 190 mm flange, with an integrated 80 N·m holding brake, built for a 480 V three-phase supply. Paired with an LXM32MC10N4 drive it delivers 7.75 kW nominal output power. It has a smooth untapped shaft and a single-turn SinCos Hiperface encoder.
Technical Specifications
| Reference | BMH1903P21F2A |
| Brand | Schneider Electric |
| Range | Lexium 32 |
| Product Type | Servo motor |
| GTIN | 3606485264288 |
| Continuous Stall Torque | 65 N·m |
| Continuous Stall Torque by Drive Pairing | 43.2 N·m with LXM32D72N4 (24 A) | 57.6 N·m with LXM32MD85N4 (32 A) | 65 N·m with LXM32MC10N4 (40 A) |
| Peak Stall Torque | 122.8 N·m (LXM32D72N4) | 141.3 N·m (LXM32MD85N4) | 162.7 N·m (LXM32MC10N4) |
| Nominal Output Power | 5.7 kW (LXM32D72N4) | 7.33 kW (LXM32MD85N4) | 7.75 kW (LXM32MC10N4) |
| Nominal Torque / Speed | 36 N·m at 1500 rpm (LXM32D72N4) | 35 N·m at 2000 rpm (LXM32MD85N4) | 37 N·m at 2000 rpm (LXM32MC10N4) |
| Maximum Mechanical Speed | 3500 rpm |
| Rated Supply Voltage [Us] | 480 V, three phase |
| Continuous Stall Current | 36.1 A |
| Maximum Current (Irms) | 124.26 A |
| Shaft End | Smooth shaft (untapped) |
| Feedback Type | Single-turn SinCos Hiperface, 131072 points/turn |
| Holding Brake | With, 80 N·m holding torque |
| Brake Pull-in Power | 40 W |
| Motor Flange Size | 190 mm |
| IP Degree of Protection | IP65 standard, IP67 with IP67 kit |
| Mounting Support | International standard flange |
| Electrical Connection | Rotatable right-angled connectors |
| Rotor Inertia | 194.07 kg·cm² (motor) + 14.7 kg·cm² (brake) |
| Net Weight | 44.5 kg |
| Country of Origin | Germany |
Selection Notes
The BMH1903P21F2A's 65 N·m rating is specific to the 40 A LXM32MC10N4 pairing; stepping down to the 32 A LXM32MD85N4 or 24 A LXM32D72N4 drive drops continuous torque to 57.6 N·m or 43.2 N·m, so matching the drive size to this frame matters for reaching the top rating. Among the 190 mm BMH family, this is the highest-torque stock variant, which makes it the choice when an axis is already torque-limited on the lower-rated 1901/1902 motors. The 80 N·m brake holds the load the instant power is cut — reserve the no-brake A2A equivalent for horizontal axes where that holding force is not needed.