{"product_id":"schneider-electric-m9f21105-5a-1p-277v-circuit-breaker","title":"Schneider Electric M9F21105 5A 1P 277V Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Schneider Electric M9F21105 5A 1P 277V circuit breaker — a precise, reliable solution for protecting branch circuits in panelboards, load centers, and electrical distribution networks.\u003c\/p\u003e \u003cp\u003eDesigned for professionals who can't compromise on compatibility, this unit is a direct part-number match for streamlined maintenance, panel build-outs, and spare inventories. AmpState offers the M9F21105 to ensure you can source the exact device when you need it, reducing mis-orders and downtime.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eManufacturer: Schneider Electric\u003c\/li\u003e\n\u003cli\u003ePart Number: M9F21105\u003c\/li\u003e\n\u003cli\u003eType: Circuit Breaker, 1 Pole\u003c\/li\u003e\n\u003cli\u003eRated Current: 5 A\u003c\/li\u003e\n\u003cli\u003eRated Voltage: 277 V\u003c\/li\u003e\n\u003cli\u003eApplications: Panelboards, load centers, electrical distribution\u003c\/li\u003e\n\u003cli\u003eAvailability: AmpState\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose the M9F21105\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDirect part-number match saves time and reduces stocking errors in maintenance and panel fabrication projects.\u003c\/li\u003e\n\u003cli\u003e277V rating expands its suitability for commercial and industrial circuits, particularly lighting and distribution panels that operate at higher line voltages.\u003c\/li\u003e\n\u003cli\u003e1-pole design provides targeted protection for individual circuits, enabling precise control and safe shutdown on overloads or faults.\u003c\/li\u003e\n\u003cli\u003eSchneider Electric's established reliability and compatibility with a wide range of Schneider-compatible panel systems.\u003c\/li\u003e\n\u003cli\u003eA ready-to-ship option from AmpState supports quick replacements and consistent inventory management.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eReplacing a failed or worn 5 A 277V breaker in panelboards or load centers.\u003c\/li\u003e\n\u003cli\u003eStocking spares for service vans and maintenance crews to cut field downtime.\u003c\/li\u003e\n\u003cli\u003eSpecifying exact-fit components during panel renovations or upgrades where a direct PN match matters.\u003c\/li\u003e\n\u003cli\u003eInstalling in 277V branch circuits controlling lighting or small equipment in commercial settings.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eNeed help confirming fit or compatibility with your panel model? Send us a message — we’ll help verify that M9F21105 matches your application and share quick tips to ensure a seamless replacement.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46412742983842,"sku":"M9F21105","price":10.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_83963f7f-600e-419f-90c6-e7677089642b.png?v=1765492973","url":"https:\/\/www.ampstate.com\/products\/schneider-electric-m9f21105-5a-1p-277v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}