Overview
Manuals
Functionality
Compatibility & Replacement
Commissioning Checks
Features:
- SPAJ144C-AA is the complete listed product identity for the supplied hardware execution.
- The documented hardware is an ABB combined overcurrent and earth-fault relay selected for its assigned equipment role.
- Installation requires a verified match to the documented ABB product family, the connected assemblies and the approved configuration.
SPAJ144C-AA is an ABB combined overcurrent and earth-fault relay selected by its complete product identity and documented equipment role. Its suitability depends on the installed the documented ABB product family system, hardware execution, interfaces and application requirements matching the supplied unit. Visual similarity or a shortened code is not proof of interchangeability.
Before replacing SPAJ144C-AA, record the full nameplate, installed position, connector or terminal arrangement, paired equipment and relevant ABB service information. After installation, verify power, communication and control interfaces, complete the approved functional checks and confirm stable operation before returning the equipment to service.
The SPAJ144C-AA ABB Combined overcurrent and earth-fault relay is supplied subject to exact-item verification. Current revision, lifecycle status, availability and supplied scope are confirmed in the written quotation.
ABB SPAJ144C-AA documentation and reference links.
Important Notice: Every linked document must identify the listed model or its documented family. Confirm the complete order code, hardware revision and installed-system requirements before replacement.
SPAJ144C-AA performs the documented combined overcurrent and earth-fault relay function within the ABB Electrical platform. Confirm every connector, channel, power and communication interface against the approved equipment record.
Do not infer ratings or interchangeability from appearance. The complete label, hardware revision and installed role control selection.
Replacement of SPAJ144C-AA requires an exact match to the receiving ABB Electrical hardware, connected assemblies and configuration record.
Record the installed position and wiring before removal, preserve required settings, and verify every affected function after installation.
Before energizing SPAJ144C-AA, inspect mounting, connector keying, terminal allocation, protective grounding and all paired hardware.
After startup, review diagnostics and complete controlled functional tests before returning the equipment to service.
