Kollmorgen SERVOSTAR 403A-C (S403A-CA) — SERVOSTAR 400 Series Digital Servo Drive

The Kollmorgen SERVOSTAR 403A-C (S403A-CA) is a 3 A axis (extension) module from the SERVOSTAR 400 series. As an axis module, it operates from a shared DC bus link (310–560 VDC) supplied by a SERVOSTAR 400 Master module (e.g. 403M / 443M) — enabling compact, cost-effective multi-axis systems with a single power supply.

Equipped with the -CA (CANopen) communication option, the S403A-CA provides precise digital control of torque, speed and position for brushless synchronous servo motors with resolver or encoder feedback. It is the proven building block for modular multi-axis servo architectures in industrial automation.

Note: This is an axis/extension module and requires a SERVOSTAR 400 Master module for DC bus supply and control logic.

Your Benefits at a Glance

• 3 A rated axis module — precise control for compact servo axes
• Shared DC bus operation (310–560 VDC) — compact multi-axis systems
• CANopen communication (-CA) — flexible fieldbus integration
• Digital torque/speed/position control — precise, low-latency motion
• Resolver or encoder feedback — wide motor compatibility
• Modular SERVOSTAR 400 architecture — scalable, cost-effective multi-axis design
• Proven S400 platform — trusted worldwide in machine automation

Key Features

Axis Module for Multi-Axis Systems As a DC-bus-fed axis module, the S403A-CA connects to a SERVOSTAR 400 Master module (with integrated power supply), allowing several axes to share one supply — saving cabinet space and cost.

CANopen Communication The -CA option provides CANopen fieldbus connectivity, enabling network integration and flexible machine control architectures.

Precise Digital Control Full digital control of torque, speed and position delivers smooth, low-latency motion for demanding applications.

Flexible Feedback Feedback is supported from resolver or encoder, covering a broad range of Kollmorgen and third-party brushless servo motors.

Technical Specifications

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Note: Exact electrical data is per the nameplate / manual of your specific unit; please verify before ordering. Requires a SERVOSTAR 400 Master module (e.g. S403M-CA / S443M-CA).

Typical Applications

• Modular multi-axis servo systems (shared DC bus)
• Packaging, printing and converting machinery
• Material handling and general machine automation
• Replacement and retrofit of SERVOSTAR 400 series modules