由其分销商提供的 Siemens D250 的描述。
Siemens Industry Inc Brkr Qd 3/4 2P 120/240V 50A 10K Ul Class
50 amps Standard 2-Pole Circuit Breaker
Siemens D250, Siemens Low Voltage Residential Circuit Breakers. Qd 3/4 In Plug-In 2-Pole Common Trip Circuit Breaker. Rated 120/240V (50A) Air (10 Ka). Special Features Hacrrated, Ul Listed And Classified.