8MSA4S.E2-V4 B&R Industrial Automation

Brand Introduction

B&R (Bernecker + Rainer) is a leading global industrial automation manufacturer headquartered in Austria, recognized as a benchmark in high-performance motion control and servo drive technology. Its servo product lines are known for high precision, strong real-time performance, and seamless compatibility with self-developed automation control systems, widely adopted in high-end industrial equipment scenarios.

Basic Parameters

The 8MSA4S.E2-V4 belongs to B&R“s 8MS series of AC servo motors, with core parameters as follows:

• Rated output power: ‌0.5 kW‌
• Rated speed: ‌3000 rpm‌
• Rated torque: ‌1.59 Nm‌
• Peak torque: ‌4.77 Nm‌
• Encoder specification: 23-bit high-resolution absolute value encoder
• Flange size: 60 mm square mounting flange
• Shaft diameter: 14 mm, with standard keyway
• Protection level: IP65 (motor body)
• Rated working voltage: 230 VAC single/three-phase

Core Performance

• High dynamic response: The optimized rotor design reduces moment of inertia, enabling fast acceleration and deceleration response with a positioning accuracy of up to ±1 arc-second.
• High reliability: 8MSA4S.E2-V4 supports long-term stable operation in the temperature range of 0–55°C, with a vibration resistance of 10–200 Hz and an acceleration tolerance of up to 9.8 m/s².
• Seamless interconnection:8MSA4S.E2-V4natively matches B&R”s ACOPOS series servo drives, supports POWERLINK real-time industrial Ethernet, and can achieve microsecond-level synchronous control of multi-axis systems.
• Low cogging torque: The torque fluctuation is less than 1%, ensuring ultra-smooth operation at low speeds without jitter.
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Usage Scenarios

• High-precision positioning and synchronous motion control of multi-axis mechanical systems
• Installation and operation in limited equipment space, relying on its compact body design
• High-cycle, high-frequency start-stop and fast response motion links
• Motion control scenarios that require strict synchronization with the upper automation system

Application Industries

• 3C electronics manufacturing: High-speed placement machines, precision testing equipment, and screw locking machines
• Packaging industry: High-speed labeling machines, cartoning machines, and reciprocating sealing equipment
• Machine tool industry: Small CNC machine tools, engraving machines, and precision motion axes of grinding machines
• New energy industry: Winding equipment for lithium battery pole pieces and precision assembly stations for photovoltaic cells
• Medical equipment: Automatic medical analyzers and surgical robotic arm motion units