A-B 1489-A1C0050.5 A UL489 Miniature Circuit Breaker – Industrial Protection
The A-B 1489-A1C0050.5 A UL489 Miniature Circuit Breaker is designed to provide reliable overcurrent protection for industrial electrical systems. It ensures safety by interrupting electrical flow when excessive current conditions are detected, safeguarding equipment and personnel.
Rated Current:50A
Voltage Rating:AC 240V
Breaking Capacity:6kA
Mounting Type:Panel Mount
Certifications:UL489, CSA, CE
Contact Material:Silver Alloy
Dimensions:18mm x 36mm x 78mm (W x H x D)
Operating Temperature Range:-40°C to +70°C
The A-B 1489-A1C0050.5 A UL489 Miniature Circuit Breaker stands out in the field of industrial automation with its robust design and superior performance. Engineered by Rockwell Automation, it is meticulously crafted to meet the stringent requirements of modern electrical systems. Its UL489 certification guarantees compliance with the highest safety standards, making it an indispensable component for safeguarding your electrical installations.
The breaker’s screw terminals provide secure connections, minimizing the risk of loose contacts that can lead to overheating or circuit failures. Its ability to withstand extreme temperatures (-50°C to +70°C) makes it ideal for use in harsh environments where other circuit breakers may fail. Additionally, the 10kA breaking capacity ensures swift interruption of short circuits, preventing damage to connected equipment and ensuring personnel safety.
Installation is straightforward thanks to the panel mounting option, allowing for easy integration into existing control panels without the need for complex rewiring. The 1-pole configuration is suitable for single-phase applications, offering precise control and protection.
By adhering to international standards like IEC 60947-2 and CSA C22.2 No. 5, the A-B 1489-A1C0050.5 A UL489 Miniature Circuit Breaker is designed to perform reliably under a wide range of operating conditions, providing peace of mind to engineers and technicians responsible for maintaining critical electrical infrastructure.















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