Ensure the safety of your electrical system with the Siemens B320 Circuit Breaker. Its thermal-magnetic trip mechanism and three-pole design offer efficient protection against overcurrents, making it a practical choice for various applications.
 
$39.99 – $78.99
| Brand | Siemens | 
| Series | BL | 
| Amperage | 20A | 
| Poles | 3 | 
| Phase | 3 | 
| Mounting Type | Bolt-On | 
| Approval | UL Listed, CSA Certified, HACR Rated & NOM Certified | 
| Mpn | B320 | 
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