Description
The Siemens 5SY4340-8 is a certified 3-pole, 40A Miniature Circuit Breaker (MCB) from the SENTRON series, featuring a Curve D tripping characteristic. Designed for 400V AC applications, this MCB boasts a substantial 10 kA breaking capacity, ensuring effective protection against severe overcurrents and short circuits. The Curve D characteristic makes it particularly well-suited for inductive loads that experience high inrush currents, such as motors and transformers.
This Siemens MCB is built with the quality and reliability synonymous with the Siemens brand. It provides essential overcurrent protection, safeguarding electrical circuits and equipment from damage, and contributing to overall system safety. The 3-pole configuration is ideal for three-phase power distribution, offering comprehensive protection.
The Siemens 5SY4340-8 is a crucial component for industrial, commercial, and residential electrical installations requiring dependable circuit protection. Its robust construction and adherence to international safety standards ensure consistent performance and a long service life. This Siemens MCB is designed for straightforward installation onto standard DIN rails.
Choose the Siemens 5SY4340-8 for a certified and reliable solution for your circuit protection needs. Its advanced tripping characteristics and high breaking capacity provide superior safety and operational continuity. Equip your installations with this high-performance Siemens MCB.









