ABB S400M Series MCB, 3 Poles, 25A Current Rating - S403M-C25 This miniature circuit breaker (MCB) is a vital component utilised in various commercial and industrial applications. It features a compact design suitable for DIN rail mounting, measuring 54mm in width, 91mm in length, and 82mm in depth. With a rated current of 25A and a breaking capacity of 10kA, it is designed to protect electrical circuits from overload and short-circuit conditions efficiently. Features & Benefits • Overload protection with thermal tripping mechanism enhances safety
• Delayed tripping allows for time-critical applications
• 10kA breaking capacity ensures high fault current protection
• Compact design fits standard DIN rail systems easily
• Screw terminal connections provide secure installations
• Complies with IEC standards for enhanced reliability Applications • Utilised in critical power distribution systems
• Effective in protecting electrical equipment from faults
• Employed in the management of electrical circuits What are the different AC voltages it can operate on? It is rated for operation at both 230V and 400V AC voltages. Can this breaker be used in humid environments? It is suitable for a wide temperature range but should be installed in line with ambient conditions.