Description
The Siemens 3VA6340-8KL31-0AA0 is a certified 3-pole, 400A Molded Case Circuit Breaker (MCCB) that exemplifies Siemens’ commitment to electrical safety and performance. This fixed mount SENTRON series breaker features an exceptional 150 kA breaking capacity, making it exceptionally capable of handling severe short-circuit conditions. Its robust construction and advanced tripping mechanisms ensure reliable protection for high-power distribution systems.
Designed for industrial and commercial applications, the Siemens 3VA6340-8KL31-0AA0 provides essential overcurrent and short-circuit protection. Its high breaking capacity is crucial for preventing extensive damage to electrical equipment and ensuring personnel safety in environments with significant fault current potential. The fixed mount configuration simplifies integration into switchboards and control panels.
This MCCB is a vital component in safeguarding critical power systems, from manufacturing facilities to large building complexes. The Siemens 3VA6340-8KL31-0AA0 offers peace of mind through its dependable fault interruption capabilities. Its advanced design minimizes downtime and protects valuable assets from electrical disturbances.
Choose the Siemens 3VA6340-8KL31-0AA0 for a certified, high-performance circuit protection solution. Its impressive 150 kA breaking capacity and Siemens’ reputation for quality make it an ideal choice for applications where safety and reliability are paramount.

















