{"product_id":"siemens-hb3b015-15a-240v-3-pole-bolt-on-circuit-breaker","title":"Siemens HB3B015 - 15 A, 240 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens HB3B015 is a 15A, 240V, 3-pole bolt-on molded case circuit breaker designed to deliver dependable overcurrent and short-circuit protection for panelboards and load centers. Built to endure the demands of residential, commercial, and light industrial applications, it’s the installer’s reliable choice for coordinated, long-lasting protection.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBolt-on mounting:\u003c\/strong\u003e secure, vibration-resistant bus connection for a rigid, dependable link between breaker and panel, reducing the risk of loose connections over time.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit:\u003c\/strong\u003e combines precise overload sensing with fast short-circuit interruption, delivering stable, repeatable protection across varying loads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design:\u003c\/strong\u003e synchronized protection across all phases in 240V systems, simplifying wiring and improving trip coordination.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible:\u003c\/strong\u003e engineered to fit matching Siemens OEM load centers and panelboards for straightforward replacement and consistent performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile suitability:\u003c\/strong\u003e ideal for a range of installations from home electrical panels to light commercial setups and small industrial circuits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThe HB3B015 specification in brief: 15A, 240V, 3-pole, bolt-on, thermal-magnetic molded case circuit breaker. It’s designed to interrupt current during overloads or short circuits, protecting wiring insulation and connected equipment while helping to maintain safe, compliant electrical systems.\u003c\/p\u003e \u003ch4\u003eWhy this breaker matters for your panel\u003c\/h4\u003e \u003cul\u003e \u003cli\u003eSecure mounting minimizes vibration-induced wear and potential contact loosening, promoting consistent protection over time.\u003c\/li\u003e \u003cli\u003eThermal-magnetic protection provides predictable performance for a variety of loads—from lighting circuits to small motor starts.\u003c\/li\u003e \u003cli\u003eUsing a Siemens-approved combination with OEM load centers simplifies maintenance, sourcing, and panel servicing.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch4\u003eIdeal use cases\u003c\/h4\u003e \u003cul\u003e \u003cli\u003eUpgrading aging panelboards in retrofit projects where reliable 3-pole, 15A protection is required.\u003c\/li\u003e \u003cli\u003eReplacing a failed breaker in Siemens OEM panelboards to restore proper protection and coordination.\u003c\/li\u003e \u003cli\u003eDistributing circuits in residential or light commercial environments where 240V equipment and balanced three-phase considerations are present.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch4\u003eSpecifications at a glance\u003c\/h4\u003e \u003cul\u003e \u003cli\u003eManufacturer: Siemens\u003c\/li\u003e \u003cli\u003ePart Number: HB3B015\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 15A\u003c\/li\u003e \u003cli\u003eVoltage Rating: 240V\u003c\/li\u003e \u003cli\u003eNumber of Poles: 3\u003c\/li\u003e \u003cli\u003eMounting Style: Bolt-on\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eFor best results, pair the HB3B015 with matching Siemens panelboards or load centers to ensure optimal trip coordination and reliable protection. This 3-pole, 15A bolt-on breaker provides a robust, maintenance-friendly solution for maintaining safe, efficient electrical systems.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349797490850,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens_breaker_and_panel_2c3d940e-e819-4056-ab6c-72d12263875f.png?v=1764157077","url":"https:\/\/www.ampstate.com\/products\/siemens-hb3b015-15a-240v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}