{"product_id":"siemens-bq3b030h-30a-240v-3-pole-bolt-on-circuit-breaker","title":"Siemens BQ3B030H - 30 A, 240 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens BQ3B030H is a high-reliability 30A, 240V, 3-pole bolt-on molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Built for busy electrical environments, it combines rugged mounting with precise protection to keep critical circuits safe and active.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e: Provides a rigid, vibration-resistant connection to the bus, reducing the risk of loosening under demanding equipment loads and frequent door cycling in service panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e: Delivers stable, repeatable protection performance by combining thermal overload sensing with magnetic short-circuit discrimination for fast, clear trips when faults occur.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole, 30A, 240V configuration\u003c\/strong\u003e: Ideal for protecting three conductors in 3-phase or multi-wire systems, safeguarding feeders and branch circuits that require coordinated protection across all poles.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM panel compatibility\u003c\/strong\u003e: Designed to pair with matching Siemens OEM load centers and panelboards, ensuring proper fit, consistent trip characteristics, and streamlined replacement in existing installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile for multiple applications\u003c\/strong\u003e: Suitable for residential environments with three-phase needs, light commercial panels, and small industrial setups that demand reliable overcurrent protection without sacrificing space or ease of installation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy it matters\u003c\/h3\u003e\n\u003cp\u003eIn panelboards and load centers where space is at a premium and reliability is non-negotiable, the BQ3B030H offers a robust, field-proven solution. The bolt-on design minimizes bus connection issues caused by vibration or panel movement, while the thermal-magnetic trip delivers predictable protection so you know exactly when and why a circuit trips. This clarity helps with troubleshooting, reduces downtime, and supports safer electrical systems overall.\u003c\/p\u003e \u003ch3\u003eKey specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e BQ3B030H\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage rating:\u003c\/strong\u003e 30A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of poles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting style:\u003c\/strong\u003e Bolt-on\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal for engineers, electricians, and facility managers seeking dependable protection in Siemens-based panelboards and load centers, the BQ3B030H helps you design safer electrical systems with fewer nuisance trips and easier maintenance. When you need a trusted, OEM-compatible 3-pole breaker for 240V service, this unit delivers the performance and compatibility that professional installations rely on.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349764919458,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-bq3b030h-30-a-240-v-3-pole-bolt-on-circuit-breaker-ampstate-916.webp?v=1788722239","url":"https:\/\/www.ampstate.com\/products\/siemens-bq3b030h-30a-240v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}