Siemens Industry Online Support
Siemens AG
Entry type: FAQ Entry ID: 109761229, Entry date: 10/10/2018

3VA2 Motor Operator with stored energy feature SEO520

  • Entry
  • Associated product(s)

The front mounted motor operator with stored energy feature SEO520 is intended mainly for net synchronisation tasks due to its fast switching times. Additionally, it offers an optional communication connection, so that the molded case circuit breaker 3VA2 can also be switched remotely via the bus systems established within the 3VA system.

Attached you get more information.

  Motor_operator_SEO520.pdf (637,4 KB)

Security information
In order to protect technical infrastructures, systems, machines and networks against cyber threats, it is necessary to implement – and continuously maintain – a holistic, state-of-the-art IT security concept. Siemens’ products and solutions constitute one element of such a concept. For more information about cyber security, please visit