B&R 8D1B33.eBgEHFk00-1
8D1B with gearbox 8GM55, gear ratio 8, stages 1, nominal speed 1200 rpm
Lifecycle & replacement
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Technical specifications
General information
| Certifications / CE | Yes |
| Certifications / UKCA | Yes |
| Certifications / UL | cURus E225616 Power conversion equipment |
Motor
| Nominal speed nN [rpm] | 1200 |
| Number of pole pairs | 5 |
| Nominal torque Mn [Nm] | 2 |
| Nominal power PN [W] | 251 |
| Nominal current IN [A] | 6.06 |
| Stall torque M0 [Nm] | 2 |
| Stall current I0 [A] | 6.06 |
| Maximum torque Mmax [Nm] | 4.92 |
| Maximum current Imax [A] | 15.7 |
| Maximum speed nmax [rpm] | 6600 |
| Torque constant KT [Nm/A] | 0.33 |
| Voltage constant KE [V/1000 rpm] | 19 |
| Stator resistance R2ph [Ω] | 0.54 |
| Stator inductance L2ph [mH] | 0.8 |
| Electrical time constant tel [ms] | 1.555 |
| Thermal time constant ttherm [min] | 34 |
| Moment of inertia J [kgcm²] | 1.6 |
| Weight without brake m [kg] | 2.71 |
| Max. permissible output torque MKN [Nm] | 12.39 |
| Max. permissible peak torque MKmax [Nm] | 39.4 |
Holding brake
| Holding torque of brake MBr [Nm] | 3.2 |
| Mass of brake [kg] | 0.57 |
| Moment of inertia of brake JBr [kgcm²] | 0.38 |
Gearbox
| Number of gear stages | 1 |
| Gear ratio i | 8 |
| Nominal output torque T2N [Nm] | 15 |
| Max. output torque T2max [Nm] | 24 |
| Emergency switch-off torque T2stop [Nm] | 30 |
| Max. average drive speed n1N50% [rpm] at 50% T2N and S1 | 4500 |
| Max. average drive speed n1N100% [rpm] at 100% T2N and S1 | 4500 |
| Max. backlash Jt [arcmin] | 10 |
| Torsional rigidity Ct21 [Nm/arcmin] | 3.7 |
| Max. radial force Frmax [N] for 30,000 h | 3200 |
| Max. radial force Frmax [N] for 20,000 h | 3200 |
| Max. axial force Famax [N] for 30,000 h | 3900 |
| Max. axial force Famax [N] for 20,000 h | 4400 |
| Operating noise LPA [dB(A)] | 58 |
| Efficiency at full load ŋ [%] | 96 |
| Weight m [kg] | 0 |
| Moment of inertia J1 [kgcm²] | 0.014 |
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Industrial Automation Co. stocks, sources, and repairs B&R parts — new, refurbished, or exchange units with warranty.
Specifications from the official B&R product catalog. Always confirm against the datasheet for your exact revision.