Overview
Manuals
Directional Time Over Functi
Electrical Fit
Commissioning
Features:
- The documented product type is Relays.
- The documented ir is AC 5A.
- The documented voltage is DC 24V.
1MRK000844-BB is an ABB Directional Time Over Current Relay selected by its complete product identity and documented equipment role. Suitability depends on the installed ABB Electrical 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 1MRK000844-BB to service.
The 1MRK000844-BB ABB Directional Time Over Current Relay is listed as Obsolete / Discontinued by OEM. Current revision, availability and supplied scope are confirmed in the written quotation.
ABB 1MRK000844-BB 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.
1MRK000844-BB performs the documented directional time over current relay function within the ABB Electrical 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 1MRK000844-BB requires an exact match to the receiving ABB Electrical 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 1MRK000844-BB, 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.
