B&R 8JSA33.ee045ffgg-0
Synchronous motor, self-cooling, size 3, length 3, nominal speed 4500 rpm
Lifecycle & replacement
No manufacturer-published lifecycle data for B&R part numbers is indexed here yet. Ask IAC to check availability and an upgrade path.
Servo amplifiers, motors, encoders and cables are matched sets. If this part is no longer available in its original form, the manufacturer's newer generation usually will not pair with the rest of the axis, so an upgrade normally covers the drive, motor and cables together. Send us the nameplate details and we will confirm availability of an exact spare or scope a compatible upgrade.
IAC stocks legacy spares and exchange units and quotes upgrade paths. Send us the nameplate details and we will confirm a compatible replacement.
Technical specifications
Motor
| Nominal speed nN [rpm] | 4500 |
| Number of pole pairs | 4 |
| Nominal torque Mn [Nm] | 2.29 |
| Nominal power PN [W] | 1079 |
| Nominal current IN [A] | 2.09 |
| Stall torque M0 [Nm] | 2.79 |
| Stall current I0 [A] | 2.58 |
| Maximum torque Mmax [Nm] | 11.8 |
| Maximum current Imax [A] | 12.9 |
| Maximum speed nmax [rpm] | 8100 |
| Torque constant KT [Nm/A] | 1.1 |
| Voltage constant KE [V/1000 rpm] | 70.6 |
| Stator resistance R2ph [Ω] | 9.01 |
| Stator inductance L2ph [mH] | 18.5 |
| Electrical time constant tel [ms] | 2.1 |
| Thermal time constant ttherm [min] | 20 |
| Moment of inertia J [kgcm²] | 0.85 |
| Weight without brake m [kg] | 2.9 |
Holding brake
| Holding torque of brake MBr [Nm] | 2.5 |
| Mass of brake [kg] | 0.27 |
| Moment of inertia of brake JBr [kgcm²] | 0.011 |
Recommendations
| ACOPOS 8Vxxxx.xx... | 1045 |
| ACOPOSmulti 8BVIxxxx... | 0028 |
| ACOPOS P3 8EIxxxx... | 4X5X |
| Cross section for B&R motor cables [mm²] | 0.75 |
| Connector size | 1 |
Documentation & CAD
Files hosted by B&R Industrial Automation; links open the official download page.
Manuals
Get a quote for a replacement
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.