{"product_id":"1b10um-circuit-breaker","title":"1B10UM | Circuit Breaker | 10A | 1-Pole | 277V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the 1B10UM industrial circuit breaker—a precisely specified, single-pole protection device designed for maintenance, retrofit, and replacement projects where exact specifications matter. With a 10A rating and a 277V operating voltage, this breaker is built to safeguard commercial and industrial circuits that run on higher line voltages.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 10A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 1-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 277V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReference:\u003c\/strong\u003e Part number 1B10UM — the most reliable identifier for compatibility\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy the 1B10UM stands out\u003c\/h3\u003e\n\u003cp\u003eWhen you’re upgrading or replacing protection in a panel that serves 277V circuits, the 1B10UM delivers a dependable, exact-fit solution. Its 1-pole configuration is ideal for isolating a single leg of a circuit, reducing nuisance trips while delivering responsive protection during overloads or faults. The 1B10UM’s form and ratings are chosen to align with systems that rely on 277V operation, helping you avoid mismatches that can complicate retrofits or maintenance.\u003c\/p\u003e \u003ch3\u003eWho this is ideal for\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eFacilities managers and electrical contractors overseeing commercial or light industrial spaces\u003c\/li\u003e \u003cli\u003eTechnicians performing panel retrofits, replacements, or routine maintenance on 277V circuits\u003c\/li\u003e \u003cli\u003eOwners seeking a straightforward, compatible replacement for a failed or outdated breaker\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacing a worn or tripped breaker in 277V lighting or equipment circuits\u003c\/li\u003e \u003cli\u003eRetrofits where existing panels require a 1-pole, 10A device with 277V rating\u003c\/li\u003e \u003cli\u003eMaintenance tasks that demand a reliable, easy-to-identify part number for quick sourcing\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eImportant compatibility notes\u003c\/h3\u003e\n\u003cp\u003eNotes: Confirm fit and ratings before ordering. The 1B10UM part number is the best reference for compatibility, ensuring you match the exact form, terminals, and tripping characteristics to your panel and circuit requirements.\u003c\/p\u003e \u003ch3\u003eInstallation and handling guidance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePower down the circuit and follow lockout\/tagout procedures before replacement\u003c\/li\u003e \u003cli\u003eVerify electrical ratings on your panel and the new breaker match the system requirements\u003c\/li\u003e \u003cli\u003eInstall per the panel’s installation instructions and applicable electrical codes\u003c\/li\u003e \u003cli\u003eEnsure secure terminal connections and proper seating within the enclosure after replacement\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith the 1B10UM, you get a purpose-built solution that aligns with 277V single-pole protection needs, helping you maintain safe, reliable operation in demanding environments. This is more than a generic replaceable part—it's a targeted upgrade that supports efficient maintenance cycles and long-term system integrity.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46426259947682,"sku":"1B10UM","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/1b10um-circuit-breaker-10a-1-pole-277v-773.webp?v=1789545212","url":"https:\/\/www.ampstate.com\/products\/1b10um-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}