Model Explanation

• MXA: MOVIAXIS® single-axis servo module for multi-axis systems

• 81A: Series 81A, hardware version A

• 004: Rated output current 4 A

• 503: 3-phase 380–500 VAC, 50/60 Hz power supply

• 00: Standard configuration without optional features

Basic Specifications

• Brand: SEW-EURODRIVE

• Product Type: MOVIAXIS® MXA81A servo axis module

• DC link voltage: 560 VDC

• Rated output current: 4 A

• Overload capability: 250% for maximum 1 second

• Main power: 3-phase 380–500 VAC, 50/60 Hz

• Control voltage: 24 VDC (±15%)

• Encoder interfaces: HTL, TTL, resolver, Hiperface®, EnDat, SSI

• Safety function: Integrated STO (Safe Torque Off), PL d / SIL 2

• Communication: PROFIBUS, EtherCAT®, K-Net, SBUS⁺⁺

• Protection class: IP20

• Operating temperature: 0 °C to +45 °C

• Weight: Approximately 0.65 kg

Key Features

1. Compact and lightweight design, saving cabinet installation space.

2. 4 A continuous current and 10 A peak current, suitable for low-to-medium power servo motors.

3. Built-in multi-encoder interfaces, compatible with mainstream industrial encoders.

4. Integrated STO safety function simplifies system safety design and wiring.

5. Modular structure, compatible with MXP/MXR power supply and regenerative modules.

Applications

• Multi-axis servo equipment for packaging, handling and indexing machines

• Precision positioning and synchronous motion control systems

• Auxiliary drive axes of automated production lines

• Standard MOVIAXIS® modular servo solutions

Overview