{"product_id":"siemens-bq3b025-25a-240v-3-pole-bolt-on-circuit-breaker","title":"Siemens BQ3B025 - 25 A, 240 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens BQ3B025 is a 25A, 240V, 3-pole bolt-on molded case circuit breaker engineered to deliver dependable branch-circuit protection in panelboards and load centers. The secure bolt-on mounting creates a rigid, vibration-resistant bus connection—making it a reliable choice for panels in commercial spaces, workshops, and light industrial environments where steady performance matters.\u003c\/p\u003e \u003cp\u003eA thermal-magnetic trip unit provides stable, repeatable protection by responding to both overloads and short-circuit events. This means fewer nuisance trips and more consistent protection for conductors and connected equipment, even under fluctuating loads or mechanical vibration.\u003c\/p\u003e \u003cp\u003eDesigned to integrate with matching Siemens OEM load centers and panelboards, the BQ3B025 ensures clean electrical characteristics and straightforward installation. Its 3-pole, 25A, 240V configuration is well-suited for three-phase systems common in small-to-medium commercial and light industrial projects, as well as multi-wire residential circuits that require robust protection at the panel level.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBolt-on mounting for a secure, vibration-resistant connection in demanding environments\u003c\/li\u003e \u003cli\u003eThermal-magnetic trip unit delivering reliable overcurrent and short-circuit protection\u003c\/li\u003e \u003cli\u003e25A, 240V, 3-pole design ideal for three-phase panels and multi-wire circuits\u003c\/li\u003e \u003cli\u003eCompatibility with Siemens OEM load centers and panelboards for seamless replacements\u003c\/li\u003e \u003cli\u003eSpecifically suited for residential, commercial, and light industrial applications requiring durable branch-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUpgrading or replacing breakers in existing Siemens panelboards where a secure, vibration-resistant connection is needed\u003c\/li\u003e \u003cli\u003eSubpanel installations in small offices, retail spaces, or workshops that require dependable three-phase protection\u003c\/li\u003e \u003cli\u003eNew construction or remodels where a robust, plug-compatible bolt-on breaker is preferred for long-term reliability\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this breaker stands out\u003c\/h3\u003e\n\u003cp\u003eBeyond basic specs, the BQ3B025 combines Siemens engineering excellence with a mounting system designed to withstand operational vibration, reducing the chance of intermittent faults. The thermal-magnetic protection curve provides predictable performance across a range of fault currents, helping ensure the safety of wiring and devices connected downstream. When paired with compatible load centers, it simplifies commissioning and maintenance, giving electricians a dependable solution for demanding electrical environments.\u003c\/p\u003e \u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Siemens\u003c\/li\u003e \u003cli\u003ePart Number: BQ3B025\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 25A\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\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349764460706,"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_309adeec-5018-4637-87aa-f8a0d6c93b21.png?v=1764156157","url":"https:\/\/www.ampstate.com\/products\/siemens-bq3b025-25a-240v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}