Description
Core Product Summary (Brand / Model / Key Attributes)
The Reliance DSA-MTR12A2 (also referenced as DSA-MTR-12A2) is an AC servo drive belonging to the DDS-TLII series. It is a product of Reliance Electric (now part of the Rockwell Automation / Baldor family) and is listed by industrial spare-parts suppliers as a stand-alone servo drive unit for motion-control applications.
Public technical documentation for this exact order number is limited. Available secondary listings consistently identify the unit as a DDS-TLII AC servo drive but do not provide independently verified electrical ratings, control interfaces, or environmental limits from primary manufacturer sources.
Key Technical Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Reliance Electric |
| Model / Order number | DSA-MTR12A2 / DSA-MTR-12A2 |
| Product type | AC Servo Drive |
| Series | DDS-TLII |
No additional verified electrical, mechanical, or performance specifications are available from primary manufacturer sources for this exact part number.
Detailed Product Overview
The Reliance DSA-MTR12A2 is an AC servo drive from the DDS-TLII product family. It is intended for use in industrial motion-control systems that require precise speed and torque regulation of compatible AC servo motors.
Because detailed public datasheets or instruction manuals for this specific order number have not been located, all electrical ratings, feedback types, communication interfaces, protection functions, and mounting requirements must be confirmed against the original equipment documentation or the installed system configuration. Secondary spare-parts listings confirm only the identity of the unit as a DDS-TLII AC servo drive and do not supply independently cross-checked performance data.
When replacing or specifying the DSA-MTR12A2, the complete order number (including any revision or suffix markings present on the physical unit) should be matched exactly. Compatibility with the connected motor, power supply, and higher-level controller must be verified through the system documentation originally supplied with the equipment.
Engineering Selection Highlights
- Confirm the exact part number DSA-MTR12A2 (or DSA-MTR-12A2) and any revision markings against the installed unit.
- Verify that the drive is intended for the DDS-TLII series application and matches the motor and power-supply requirements of the host system.
- Obtain the applicable Reliance / Rockwell Automation documentation for the DDS-TLII family before installation or parameter setting.
- Treat the unit as a system-specific spare; physical appearance alone does not guarantee functional interchangeability.
- Follow the original equipment manufacturer’s handling, storage, and electrostatic-discharge precautions for electronic drive modules.

DSA-MTR-12A2

DSA-MTR-12A2
System Compatibility & Integration Requirements
No public system-level compatibility matrix or interface specification is available for the DSA-MTR12A2. Integration is determined solely by the host motion-control system configuration. Any replacement must be performed according to the original equipment documentation and under the appropriate electrical and environmental conditions required for the installation.
FAQ
What is the Reliance DSA-MTR12A2?
It is an AC servo drive from the DDS-TLII series manufactured by Reliance Electric.
Is detailed technical data publicly available?
No comprehensive public datasheet or instruction manual for this exact order number has been located. All installation, configuration, and performance requirements are defined in the proprietary documentation for the host system or the DDS-TLII product family.
What should be checked before ordering a replacement?
Exact part-number match (including any revision), confirmation of the DDS-TLII series application, and verification through the equipment owner’s original documentation or authorized support channel.




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