The Siemens B345H Circuit Breaker is a 45A, 240V, 3-phase thermal circuit breaker with a type B tripping characteristic. It is suitable for interior use and provides instantaneous break time. The breaker features a switch control style, screw terminal electrical connection, and is designed for panel and bolt-on mounting. With a voltage range of 201-250V and an operating temperature of 40°C (104°F), this black main breaker from Siemens is reliable for any room in a smart home setup with its dust-resistant properties and infrared smart home protocol compatibility.
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