Siemens 3VA Molded Case Circuit Breakers

Siemens’ 3VA molded case circuit breakers offer safe, efficient and variable application options in a smaller footprint for low and medium-voltage power distribution whether in industrial applications, infrastructure or buildings.

Compact & Flexible

  • Broad spectrum of devices offers near limitless possibilities for expanding functions.
  • Compliance with global standards backed by UL 489 and IEC 60947 certification.
  • Compact design provides minimum space requirements.
  • Extensive selection of internal accessories (auxiliary and alarm switches, shunt trips).

View 3VA Products   Download PDF

Accent Image 2

EXPANDABLE System Offers Enhanced Opportunities for Safety-conscious Environments

Steiner Electric offers nine versions of the Siemens 3VA5 molded case circuit breaker. The breakers come in sizes ranging from 125 A with a switching capacity up to 65 kA and the other with 250 A and a switching capacity of 100 kA at 480 V. An extensive range of internal accessories is available for the 3VA UL molded case circuit breakers, and many different functions are possible with the numerous auxiliary switches and alarm switches.

As functions grow and expand, one thing remains the same. The Siemens 3VA circuit breaker protects cables and electrical loads from damage and failures that can be caused by disruptions such as short circuits or overloads.

View 3VA Products
Accent Image 3

Manual Operator Options

Manual operators facilitate manual operation of the 3VA UL molded case circuit breakers, either directly at the circuit breaker or through the cubicle door.

View 3VA Products
Accent Image 4

Connection Technology

Helping tie the technology are a variety of wire connectors earmarked for the various models of 3VA circuit breakers.

View 3VA Products
Accent Image 5

Auxiliary Switches

All auxiliary and alarm switches for the 3VA UL molded case circuit breakers belong to an integrated range of accessories.

The auxiliary switches can be simply snapped into place and connected up in the accessories compartment provided on the front face of the unit to the left and right of the handle. Shunt trips are available on certain models.

View 3VA Products


For more info about Siemens 3VA Molded Case Circuit Breakers call 1-800-STEINER (783-4637) to speak with a Steiner automation application engineer.