The Schneider Electric M9F23440 is a highly advanced circuit breaker designed for use in various electrical applications. With a rated current of 40 A and a D-characteristic, this breaker provides reliable protection against overload and short circuits. It meets international standards such as IEC/EN 60947-2 and UL 489, making it a versatile solution for the global market. The breaker is suitable for mounting on a DIN rail and allows for easy installation thanks to its tool-free mounting method. The spring mechanism ensures low wear operation of the contacts, while the ability to add auxiliary modules offers additional functionalities such as switching position indicators and fault tripping. With an insulation voltage of 500 V and an operating voltage of up to 277 V, the M9F23440 is suitable for a wide range of applications and provides high operational safety.

• Single-pole circuit breaker with 10 kA short-circuit resistance
• Easy mounting on DIN rail with clip closure
• Spring mechanism for low wear switching of contacts
• Stackable auxiliary modules for extended functions
• Meets international standards for global applications.