Molded Case Circuit Breakers

One System. A Variety of Applications.

SiemensRequirements are increasing for cost-effective and energy-efficient operation of the electrical power distribution. Whether in industrial applications, buildings, or infrastructure: As a modular, highly variable system, the 3VA range of molded case circuit breakers provides thoroughly reliable operator and plant protection while supporting every process phase – from planning to the operation of electrical power distribution.

Comprehensive certification. Global use.

3VA molded case circuit breakers are available in several series with IEC approval as well as in series that comply with the IEC60947-2 and the UL489 standards. The system offers the best preconditions for machine and switchgear manufacturers. They can use all the functions of the molded case circuit breakers for plants that are operated in Europe and in North America and be completely confident of full compliance with the standards.

Siemens 3VA range of reliable, molded case circuit breakers provides operator and plant protection while aiding in every phase of the process: from planning all the way to the operation of electrical power distribution. The system offers the best preconditions for switchgear and machine manufacturers.
Industrial Controls Circuit Protection Molded Case Circuit Beaker

Standard Features

  • Tested in accordance with UL489 and IEC60947-2
  • Compact design
  • Modular system
  • Wide range of accessories available for flexibility
  • High system availability
  • Simple integration into both automation and higher-level energy management systems
  • Integrated measured value acquisition
  • Optimal support in every phase of the engineering processes

3VA5

Molded Case Circuit Breakers
• Breaking capacity up to 100 kA
• Two breaker versions available: 1-pole and 3-pole
• Line protection from 15 A to 250 A
• Thermal-magnetic trip unit
• Available as a molded case switch and as a motor circuit protector

3VA6

Molded Case Circuit Breakers
• Breaking capacity up to 150 kA at 480 V AC
• Line protection from 40 A to 600 A
• Two versions available: 3 or 4
• Electronic trip unit
• Complete measuring function for current, voltage, and energy values
• Optional communication via PROFIBUS, PROFINET, Ethernet (Modbus TCP), and Modbus RTU
• Other circuit breaker versions available as “100% rated” (uninterrupted rated current)

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Electro-Matic offers technical training sessions across Michigan and Ohio. Check out our Training Schedule for a list of upcoming sessions available near you.