Manufacturer:Rockwell Automation
Model Number:1492-SP3D0404 A
Product Type:MCB – Miniature Circuit Breaker
Rated Current:400A
Rated Voltage:440V
Protection Class:IP20
Breaking Capacity:10kA
Installation Type:Panel Mount
Certifications:CE, UL, CSA
The A-B 1492-SP3D0404 A MCB is a high-performance miniature circuit breaker designed for supplementary protection in industrial environments. This protector ensures reliable operation under demanding conditions, providing superior overload protection and short-circuit interruption capabilities.
Constructed from durable materials, this MCB is built to withstand extreme temperatures and environmental factors, ensuring longevity and reliability in a variety of applications. Its compact design allows for easy installation in tight spaces, making it a versatile solution for industrial installations.
This supplementary protector offers robust protection against overloads and short circuits, helping to prevent damage to connected equipment and safeguard personnel safety. With its high short circuit breaking capacity, it quickly disconnects faulty circuits to minimize downtime and repair costs.
The A-B 1492-SP3D0404 A MCB complies with international standards including CE, UL, and IECEx, ensuring compliance with global safety regulations. Its IP66 rating provides excellent dust and water resistance, making it suitable for outdoor or wet locations.
Installation is straightforward, with clear instructions provided to guide users through the process. Regular maintenance and testing are recommended to ensure optimal performance over time.









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