Siemens 3VA5110-4EF31-0AA0 3-Pole MCCB 100A 690V AC / 500V DC

The Siemens 3VA5110-4EF31-0AA0 is a high-performance 3-pole molded case circuit breaker (MCCB) from the SENTRON 3VA5 series, engineered for reliable overload and short-circuit protection in industrial and commercial electrical systems. With a rated current of 100 A and a rated operational voltage up to 690 V AC or 500 V DC, it ensures dependable performance in demanding environments.
This breaker features a thermal-magnetic trip unit with adjustable overload protection between 80 A and 100 A. It offers a breaking capacity of up to 55 kA at 240 V AC, 36 kA at 415 V AC, and 5 kA at 690 V AC according to IEC standards. Compact and DIN-rail mountable, it is ideal for use in distribution panels, switchboards, and control cabinets.
Built for long service life, the 3VA5110-4EF31-0AA0 delivers up to 20,000 mechanical and 8,000 electrical operating cycles, making it a durable and efficient choice for ensuring safe and continuous power distribution.