{"product_id":"siemens-bqd370-70a-480v-3-pole-bolt-on-circuit-breaker","title":"Siemens BQD370 - 70 A, 480 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens BQD370 is a 70A, 480V, 3‑pole bolt‑on molded case circuit breaker designed to protect branch circuits in panelboards and load centers. Its bolt‑on mounting delivers a rigid, vibration‑resistant connection to the bus, enhancing reliability in demanding electrical environments.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eSecure bolt‑on mounting:\u003c\/b\u003e creates a solid mechanical connection that resists loosening from vibration, reducing maintenance concerns in busy electrical rooms.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThermal‑magnetic trip unit:\u003c\/b\u003e provides stable, repeatable protection by responding to both overload (thermal) and short‑circuit (magnetic) events with rapid, predictable tripping behavior.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThree‑pole design for 480V systems:\u003c\/b\u003e delivers comprehensive three‑phase protection ideal for modern commercial and light industrial applications.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003e70A rating:\u003c\/b\u003e well suited for feeders and mid‑sized branch circuits within panelboards and load centers.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eOEM panel compatibility:\u003c\/b\u003e designed to be compatible with matching Siemens OEM load centers and panelboards, simplifying replacement projects and stocking decisions.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eVersatile applications:\u003c\/b\u003e suitable for residential, commercial, and light industrial installations where reliable overcurrent and short‑circuit protection is required.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cb\u003eTechnical snapshot\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Siemens\u003c\/li\u003e \u003cli\u003ePart number: BQD370\u003c\/li\u003e \u003cli\u003eType: Thermal‑magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage: 70 A\u003c\/li\u003e \u003cli\u003eVoltage: 480 V\u003c\/li\u003e \u003cli\u003ePoles: 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\u003e\u003cb\u003ePractical use cases\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eInstall or upgrade a 3‑phase panelboard in a small commercial facility requiring a robust 70 A feeder.\u003c\/li\u003e \u003cli\u003eReplace aging or incompatible breakers in compatible Siemens\/OEM panels without altering the panel footprint.\u003c\/li\u003e \u003cli\u003eProvide a reliable 480 V distribution point in light industrial installations where space and performance matter.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this breaker stands out: the Siemens BQD370 combines a secure bolt‑on mount with a dependable thermal‑magnetic trip system, all in a 3‑pole 480V package that’s designed to work seamlessly with Siemens OEM panels. It’s a purpose‑built choice for technicians who value installation reliability, panel compatibility, and predictable protection behavior in demanding environments.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349769703586,"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_776e2cb7-d4b3-4800-8245-e09d56ff7e2b.png?v=1764156271","url":"https:\/\/www.ampstate.com\/products\/siemens-bqd370-70a-480v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}