Rockwell Automation A-B 1492-MCAA14040 UL489 Miniature Circuit Breaker, 140 Amps, 4P
The A-B 1492-MCAA14040 is an industrial-grade miniature circuit breaker certified under UL489 standards, designed to protect electrical circuits from damage due to overcurrent, short circuits, and overload conditions. It is ideal for various industrial applications including manufacturing plants, commercial buildings, and heavy machinery.
Rated Current:40 A
Number of Poles:4P
Breaking Capacity:6 kA at 230/400 V AC
Trip Type:B
Certifications:UL489, IEC/EN 60898-1
Weight:0.5 kg
Designed for high reliability and durability, the A-B 1492-MCAA14040 UL489 Miniature Circuit Breaker is built to withstand the rigors of industrial settings.
With its robust construction and precise engineering, it provides essential overcurrent protection, safeguarding your electrical systems from damage due to short circuits or overload conditions.
Its UL489 certification guarantees adherence to stringent safety standards, ensuring peace of mind for operators and facility managers.
The breaker’s modular design facilitates easy installation and maintenance, enhancing operational efficiency.
Ideal for use in commercial and industrial environments, this circuit breaker stands as a testament to Rockwell Automation’s commitment to excellence in electrical protection solutions.











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