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Phone: +86 16626708626Description
Key Technical Specifications
| Parameter | Value |
|---|---|
| Motor Type | AC synchronous servo motor, self-cooled (natural convection), construction type A |
| Frame Size | 25 |
| Number of Pole Pairs | 4 |
| Rated Speed | 6,000 rpm |
| Max Speed | 9,000 rpm |
| Rated Torque | 0.520 Nm |
| Stall Torque | 0.600 Nm |
| Max Torque | 2.40 Nm |
| Rated Current | 0.710 A |
| Stall Current | 0.820 A |
| Max Current | 3.70 A |
| Torque Constant | 0.730 Nm/A |
| Voltage Constant | 43.98 V/1,000 rpm |
| Stator Resistance | 34.63 Ω |
| Stator Inductance | 49.60 mH |
| Feedback Device | 2-pole R0 resolver |
| Protection Class | IP64 (without oil seal, per shaft/connector configuration) |
| Bus/Winding Voltage Class | 560 VDC |
| Mounting | Flange mount, centering diameter 40 mm (j6 fit), 58 mm flange square |
Confirmed against B&R’s published data for the 8LSA25.R0060D000 winding code. Version “-0” vs “-3” affects connector type and resolver electronics packaging — verify the exact -0 dimensional and connector drawing against your existing motor before final fitment.
Product Introduction
The B&R 8LSA25.R0060D000-0 is a frame-25 synchronous servo motor from B&R’s 8LS series, built for ACOPOS-driven axes where you need 0.52 Nm continuous torque at 6,000 rpm rated speed. It runs on a 2-pole R0 resolver for position feedback, self-cools through natural convection, and mounts via a standard 40 mm centering flange.
This is a legacy “-0” version motor, not the current “-3” generation B&R sells new today. Electrically, the winding data lines up with the current D000 winding code, but the physical connector and resolver package on a “-0” motor differ from “-3” hardware. If you’re replacing a failed unit on an existing machine, matching the version suffix exactly avoids a connector mismatch at the cabinet.
Troubleshooting Quick Reference
| Symptom | Possible Cause | Relevance to this Part | Quick Check Method | Recommendation |
|---|---|---|---|---|
| Axis faults on power-up with resolver error | Resolver wiring fault or connector seating issue | ❌ Low | Check resolver cable continuity and connector seating at both motor and ACOPOS ends | Inspect wiring before assuming the motor’s resolver has failed |
| Drive throws overcurrent/overload fault | Mechanical bind, incorrect current limit setting, or winding fault | ❌ Low | Disconnect the load and jog the motor free — if it runs clean unloaded, the fault is mechanical, not the motor | Check the mechanical load path before replacing the motor |
| Motor runs hot at rated load | Undersized motor for the application, poor mounting thermal path, or duty cycle exceeding rated torque curve | ❌ Low | Compare actual RMS torque demand against the 0.52 Nm rated torque curve | Confirm the application’s torque/speed profile against the datasheet before condemning the motor |
| No rotation, resolver reads correctly, drive shows no fault | Winding open or stator fault | ✅ High | Measure phase-to-phase stator resistance and compare to 34.63 Ω reference; check for shorts to case | If resistance is open or grossly out of spec and wiring checks clean, the motor winding has failed |
| Erratic position feedback, drive faults intermittently under motion | Resolver signal degradation or connector version mismatch (-0 vs -3 pinout) | ✅ High | Verify resolver connector pinout matches your ACOPOS resolver interface exactly | Confirm version-specific pinout before wiring in a replacement motor of a different version suffix |
If you’re troubleshooting at 3 AM: pull the ACOPOS diagnostic log for the exact fault code, and check whether the fault clears with the motor unloaded before you pull it off the machine.
8LSA25.R0060D000-0
8LSA25.R0060D000-0
Frequently Asked Questions (FAQ)
Is this the same motor as the current “-3” version B&R sells now?
Same winding code (D000), same frame size, and the core electrical specs line up — but “-0” is an earlier motor version than “-3.” The connector style and resolver electronics packaging can differ between versions. If you’re replacing a failed “-0” motor, match the version suffix exactly rather than substituting a “-3” without checking the connector and DT-file compatibility with your drive firmware.
Will my ACOPOS drive recognize this motor without extra configuration?
It should recognize it through the standard motor database (DT file) for the D000 winding code, but firmware DT-file revisions differ between motor versions. If your ACOPOS firmware is older or you’re not sure which DT revision it’s running, confirm compatibility before powering up — a mismatch usually throws a motor-ID fault rather than damaging anything, but it’s worth checking first.
Can I swap in this motor without reconfiguring position feedback?
The resolver type (2-pole R0) is standard across the winding code, so feedback scaling should carry over. Physical homing and any application-specific offset will still need to be re-verified after installation — that’s true of any servo motor swap, not specific to this part.
Why is this priced below current B&R list pricing?
This is New Original / New Surplus stock of an earlier motor version — sourced through the secondary market rather than a current factory build. You’re getting genuine B&R hardware at a lower cost than ordering the current “-3” generation new, which matters if your machine was originally built around the “-0” connector and mounting configuration.
What’s your testing process on this unit before it ships?
Inbound visual inspection for shaft damage, connector condition, and corrosion, plus a stator resistance check against the 34.63 Ω reference value to confirm winding integrity. We don’t run every unit on a live ACOPOS test bench unless requested — tell us upfront if you need a powered functional test before it ships.
What if the connector doesn’t match what’s on my machine?
Tell us before you order if you can — a photo of the existing motor’s connector and a note on your ACOPOS drive model lets us confirm fit before it ships, rather than after you’ve already pulled the old motor.
