Overview
Manuals
DIFFERENCE ALARM Function
Bailey Fit
Commissioning
Features:
- The documented product type is DIFFERENCE ALARM.
- The documented voltage is 24 VDC.
- The documented protection rating is IP20.
744X10AAAA2 is an ABB DIFFERENCE ALARM UNIT selected by its complete product identity and documented equipment role. Suitability depends on the installed ABB Bailey Infi 90 and Net 90 hardware, interfaces and application requirements matching the supplied unit.
Before replacement, record the nameplate, installed position, terminal or connector arrangement and paired assemblies. After installation, verify every affected power, communication, protection, control or I/O function before returning 744X10AAAA2 to service.
The 744X10AAAA2 ABB DIFFERENCE ALARM UNIT is listed as Obsolete / Discontinued by OEM. Current revision, availability and supplied scope are confirmed in the written quotation.
ABB 744X10AAAA2 documentation and reference links.
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
744X10AAAA2 performs the documented difference alarm unit function within the ABB Bailey Infi 90 and Net 90 system. Confirm the recorded power, signal, communication and mechanical interfaces against the approved equipment record. Do not infer ratings or interchangeability from appearance; the complete label and hardware revision control selection.
Replacement of 744X10AAAA2 requires an exact match to the receiving ABB Bailey Infi 90 and Net 90 hardware, connected assemblies and configuration record. Record the installed position and connections before removal, preserve required settings, and verify every affected function after installation.
Before energizing 744X10AAAA2, inspect mounting, connector keying, terminal allocation, protective grounding and paired equipment. After startup, review diagnostics and complete controlled functional tests before returning the equipment to service.
