Molded Case Circuit Breakers (MCCB)

One System. A Variety of Applications

Siemens new molded case circuit breakers offer safe, efficient and variable application options for low voltage power distribution whether in industrial applications, infrastructure or buildings. The 3VA range of molded case circuit breakers provides CSA frame sizes covering 125A to 600A with the 3VA5 (thermal-magnetic trip unit) and 3VA6 (electronic trip unit) models, as well as IEC frame sizes covering 100A to 630A with the 3VA1 and 3VA2 models.