B&R 8MSA4L.E1-46 Servo Motor

Description

B&R 8MSA4L.E1-46 Core Brand and Model Identity
Brand: B&R Industrial Automation (Austria / ABB Group)
Model: 8MSA4L.E1-46
Product Name: Three-phase AC Synchronous Servo Motor
Technical Specifications and Characteristics

B&R 8MSA4L.E1-46 Physical Dimensions and Weight
Frame Size: Size 4 (indicated by the “4” in the model code, referencing the specific metric flange and housing dimensions of the 8MS series).
Length: “L” (Long) core length, which provides a higher torque output relative to shorter models in the same frame size.
Dimensions: Features standard metric mounting flanges and shaft dimensions, ensuring straightforward mechanical compatibility with precision planetary gearboxes and industrial machinery.
Weight: Approximately 4.8 kg to 5.5 kg (approx. 10.5 to 12.1 lbs), with slight variances depending on whether an optional mechanical holding brake is integrated.
B&R 8MSA4L.E1-46 Key Characteristics & Performance Features
High Dynamic Performance: The permanent magnet design ensures low rotor inertia, allowing for rapid acceleration and sudden deceleration cycles without losing synchronization.
Feedback System: The “E1” designation indicates a built-in high-precision encoder system (typically an EnDat absolute encoder), allowing for absolute position tracking and eliminating the need for homing routines upon startup.
Winding Design: Optimized winding configuration (signified by the “46” variant) tailored for specific nominal speeds and voltage constraints, striking an ideal balance between high torque and efficient power consumption.
Connection Interface: Utilizes robust, industrial-grade plug connectors for motor power and encoder signals, ensuring secure electrical connections and easy maintenance.
Protection Class: Typically rated at IP65 (excluding the shaft output), providing excellent protection against dust and water splashes in harsh factory environments.

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