Siemens 3VA Family | 3VA4 Series - Molded Case Circuit Breakers & Accessories:

It is estimated that over 30 million molded case circuit breakers are installed every year worldwide. They rank among the most important safety components in low-voltage power distribution and are taking on ever more operational tasks. A variety of basic units and accessory components for flexibly expandable additional functions make the 3VA molded case circuit breaker a well-conceived, modular, and highly-variable system, which optimally supports the entire process of electric power distribution.

Siemens' 3VA molded case circuit breakers meet both IEC 60947-2 and UL489 standards, and are suitable for global use. The system offers the best preconditions for switchgear manufacturers who export worldwide. You can use all functions of the molded case circuit breaker for plants that are operated in North America and in Europe and be completely confident of full compliance with the standards.

Family of Features:

Tested in Accordance with UL489 and IEC 60947-2

Molded Case Circuit Breaker Portfolio Suitable for Global Use Thanks to UL and

Maximum flexibility thanks to the modular design of the internal and external accessories

Outstanding selectivity, for example, makes planning very simple

State-of-the-art manufacturing techniques

All-round product support provided by integrated online support tools

For Protecting Cables, Electrical Loads, and Industrial Plants

3VA5 with TMTU in 1- and 3-Pole Versions Up to 250 A

3VA6 with ETU in Four Breaking Capacity Classes, 3- and 4-Pole Versions Up to 600 A

ETU 8-Series with Integrated Metering Function, Optimal Communication via Ethernet (Modbus TCP), Modbus RTU, PROFIBUS, or PROFINET

Extensive Range of Accessories for Flexible Function Expansions