B&R 8MSA3L Synchronous Servo Motor

Product Brief Introduction: The B&R 8MSA3L is part of the compact servo motor series, specifically the "L" stack length variant of the size 3 frame. It offers increased torque over the standard length while maintaining a small footprint, ideal for space-constrained applications needing extra power.
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Technical Specifications:
Frame Size: 3 (Compact)
Stack Length: L (Long)
Rated Torque: Approx 1.5 – 2.5 Nm range
Rated Speed: 3000 – 6000 rpm
Inertia: Low
Encoder: Single-turn or Multi-turn absolute
Functional Features:
Higher torque than 8MSA3S/M variants without increasing flange size.
Fast dynamic response due to low inertia.
Compact axial length relative to torque output.
Easy integration into small machines.
Application Scenarios:
Small assembly robots.
Lab automation equipment.
Electronic manufacturing (SMT machines).
Small packaging units.
Performance Parameters:
Acceleration: Very high due to low inertia.
Torque ripple: Minimized for smooth motion.
Thermal class: F insulation.
Structural Characteristics:
Smooth cylindrical housing.
Front-mounted connectors for节省 space.
Lightweight construction.
Working Principle:
Permanent magnet synchronous operation. The longer stack length increases the active magnetic material, boosting torque constant (Kt) while keeping diameter small.
Installation Requirements:
Standard mounting for Size 3 motors.
Ensure cabling does not obstruct rotation.
Check shaft runout if coupling directly to sensitive loads.
Usage Notes:
Do not hammer on the shaft end.
Protect encoder from strong magnetic fields during storage.




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