3WA power circuit breakers
3WA UL power circuit breakers are a key element in power distribution systems and are the basis for your integrated energy system in the digital age. They also continue the internationally recognized role played by Siemens in the circuit breaker market. With improvements in important areas like mechanics and electronics, the 3WA breaker family sets a new standard for safety and reliability.
![Two men talking in front of a control panel; a 3WA power circuit breaker in the background with a stylized digital impression symbolizes digitalization 3WA UL power circuit breakers](https://assets.new.siemens.com/siemens/assets/api/uuid:9bab8470-95f7-435f-9aad-22be02fea654/width:100/quality:low/3WA-UL-power-circuit-breakers.jpg)
3WA UL power circuit breakers are a key element in power distribution systems and are the basis for your integrated energy system in the digital age. They also continue the internationally recognized role played by Siemens in the circuit breaker market. With improvements in important areas like mechanics and electronics, the 3WA breaker family sets a new standard for safety and reliability.