ABB 1SQA014944R0001 MCB - 2500A CT N3R ReliaGear UL891
Part Number: 1SQA014944R0001
Quick Summary
ABB 1SQA014944R0001 MCB provides reliable overcurrent protection for industrial power distribution panels. Engineers often struggle with nuisance trips and unplanned downtime in high‑current networks, which this device helps prevent. The product carries UL 891 ReliaGear legitimacy, with REACH information confirming substance limits and WEEE not in scope, supporting global regulatory alignment. Designed for straightforward integration within ABB protection ecosystems, it reduces installation time, simplifies documentation, and lowers total cost of ownership across multiple sites. Its 2500A CT rating and N3R characteristics make it suitable for demanding distribution panels, data centers, and heavy industry.
Product Information
REACH Information
False - does not contain substances > 0.1 mass percentage
WEEE Category
Product Not in WEEE Scope
Product Main Type
ReliaGear UL891
Feature: 2500A CT MCB specification enables robust protection for high-current circuits. Business Impact: Reduces the risk of catastrophic faults and downtime, delivering improved uptime and safety. Application: Suitable for large motor drives, feeders, and main distribution sections in industrial facilities. Feature: ReliaGear UL891 family integration ensures proven safety and electrical performance. Business Impact: Streamlines compliance auditing, simplifies procurement, and reduces lifecycle risk. Application: Ideal for new builds or panel upgrades in process industry environments. Feature: Material compliance transparency with REACH and WEEE not in scope. Business Impact: Eases global regulatory labeling and environmental reporting, supporting sustainability programs. Application: Global manufacturing operations with cross-border regulatory needs. Feature: N3R trip characteristic paired with 2500A CT protection provides coordinated protection. Business Impact: Improves selective tripping and fault isolation, minimizing collateral outages. Application: Complex power distribution networks with multiple protection layers. Feature: Compatibility with ABB protection architectures and ReliaGear ecosystem. Business Impact: Accelerates install, reduces part variants, and enhances serviceability. Application: Panel builders and maintenance teams benefitting from streamlined sourcing and warranty support.
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FAQs
The 1SQA014944R0001 is designed to integrate with ABB ReliaGear UL891 protection architectures, supporting straightforward wiring, mounting, and coordination with downstream protective devices. Confirm panel rating, CT connections, and trip coordination to ensure seamless integration with existing protection schemes and minimal configuration changes during retrofit.
Best-suited for high-current distribution points such as motor control centers, large feeders, and main distribution panels in manufacturing, data centers, and process plants. The 2500A CT rating and N3R trip characteristic enable precise fault isolation, reducing downtime and protecting expensive equipment from damaging faults.
Yes. It aligns with ReliaGear UL891 safety standards and provides REACH information and WEEE not-in-scope labeling, supporting environmental and regulatory compliance across global operations.
A 2500A CT rating enables higher fault-current handling without nuisance trips in large systems, improving uptime and reducing unplanned maintenance. This helps lower total cost of ownership by minimizing downtime, simplifying procurement, and reducing the need for frequent replacements in demanding environments.
Review panel compatibility with the ReliaGear UL891 family, verify CT wiring accessibility, and confirm trip coordination with upstream protection. Ensure documentation reflects REACH and WEEE status for compliance reporting, and plan for field verification of voltage ratings, conductor sizing, and protective-device coordination during commissioning.