Model Explanation

• MXA: MOVIAXIS® single-axis servo module (multi-axis system)

• 81A: Series 81A, hardware version A; STO up to PL d

• 002: Rated output current 2 A

• 503: 3-phase AC 380–500 V, 50/60 Hz

• 00: Standard version, no special options

Basic Specifications

• Brand: SEW‑EURODRIVE

• Type: MOVIAXIS® MXA81A servo axis module

• DC Link Voltage: 560 VDC

• Rated Output Current: 2 A (≈ 1.1 kW)

• Overload Capacity: 250 % for max. 1 second

• Power Supply: 3‑phase 380–500 VAC, 50/60 Hz

• Control Voltage: 24 VDC (±15%)

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

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

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

• Protection Class: IP20

• Ambient Temp: 0 °C to +45 °C

• Weight: Approx. 0.62 kg

Key Features

1. 2 A continuous / 5 A peak current for small servo motors (≈1.1 kW)

2. Compact & lightweight: ~0.62 kg, space‑saving in control cabinets

3. Multi‑encoder support onboard, no extra card needed

4. Integrated STO (PL d) reduces external safety components

5. Modular design: Works with MXP/MXR supply/regenerative modules

Applications

• Small‑power multi‑axis servo systems (e.g., small packaging, handling, indexing)

• Low‑power precision positioning and synchronized motion

• Secondary/auxiliary axes in larger machines

• SEW MOVIAXIS®‑based automation solutions

Overview