3VA Molded Case Circuit Breakers

3VA Molded Case Circuit Breakers

One system. A variety of applications.

Siemens new 3VA 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 800A  with the 3VA5 (thermal-magnetic trip unit) models and 150A to 1000A with the 3VA6 (electronic trip unit) models, as well as IEC frame sizes covering 100A to 1000A with the 3VA1 and 3VA2 models.

For technical information and specifications, check out our Power Product Catalogue

Power Product Catalogue Section 5

Features & Benefits:

  • Compliance with global standards and certifications.
  • Minimum space requirement thanks to the compact design.
  • Extensive selection of internal accessories (auxiliary and alarm switches, shunt trips), that are universal to the product line.
  • Power metering and communication capability with Modbus, Profibus, Profinet protocols.
  • Minimal effort for planning and configuration as a result of extensive CAD data.
  • Knowledge manager: technical information on a specific device can be accessed directly via QR code.
  • Extensive accessory program for operation (front- or door-mounted rotary operators, MaxFlex cable operators and motor operators).

Learn how to configure your 3VA circuit breaker with our Industry Mall Configurator.


Learn how to find product images, 2D drawings, 3D models, dimensions, wiring diagrams, and more!


Learn how to find operating instructions (Entry Type: "Manual"), Certifications (Entry Type: "Certificates"), and more!


Learn how to find Time Current Curves

Find where to buy Siemens products with our distributor locator and at participating retail partners in Canada.


Get in contact with our Customer Interaction Centre (CIC)

Toll-free Telephone Support: 1-888-303-3353 Email: cic.ca@siemens.com The CIC provides 24/7 bilingual support, 365 days a year.