{"product_id":"abb-s273-k16a-16a-3p-277v-circuit-breaker","title":"ABB S273-K16A Circuit Breaker, 16A, 3-Pole, 277V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the ABB S273-K16A, a purpose-built circuit breaker for industrial electrical service, maintenance, and replacement projects. With a 16 A rating, three poles, and a 277V operating level, it delivers robust protection for three-phase power systems found in warehouses, manufacturing floors, and large commercial installations.\u003c\/p\u003e \u003ch3\u003eWhat makes it unique\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design for comprehensive phase protection\u003c\/strong\u003e—guards all three conductors in a three-phase circuit, helping prevent voltage imbalances and fault propagation across the system.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e277V rating for industrial compatibility\u003c\/strong\u003e—suits common commercial\/industrial distribution networks without adapters or workarounds.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompact, panel-ready form factor\u003c\/strong\u003e—easy drop-in integration into standard electrical panels used in demanding environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePrecisely rated at 16A\u003c\/strong\u003e—provides reliable protection for circuits with moderate current draw while minimizing nuisance trips.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: ABB\u003c\/li\u003e \u003cli\u003ePart Number: S273-K16A\u003c\/li\u003e \u003cli\u003eProduct Type: Circuit Breaker\u003c\/li\u003e \u003cli\u003eAmperage: 16 A\u003c\/li\u003e \u003cli\u003ePoles: 3\u003c\/li\u003e \u003cli\u003eVoltage: 277 V\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy it matters for your project\u003c\/h3\u003e\n\u003cp\u003eIn industrial service, maintenance, and replacement work, reliable protection from short circuits and overloads is essential to keep equipment safe and uptime high. The S273-K16A is designed for durability in demanding environments, helping protect motors, drives, and distribution circuits and reducing unplanned downtime.\u003c\/p\u003e \u003ch3\u003eCompatibility and support\u003c\/h3\u003e\n\u003cp\u003eAlways verify fit by part number and application requirements to ensure correct performance. If you need help matching the S273-K16A to your panel or machine, send us a message — we can confirm compatibility and guide you to the right solution.\u003c\/p\u003e \u003ch3\u003eUse cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eNew installations in three-phase panels requiring 277V protection\u003c\/li\u003e \u003cli\u003ePanel upgrades or replacements in facilities using ABB-compatible components\u003c\/li\u003e \u003cli\u003eMaintenance projects that require a reliable 16A, 3-pole breaker to safeguard motors, drives, and conveyors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46416075161762,"sku":"S273-K16A","price":460.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/abb-s273-k16a-circuit-breaker-16a-3-pole-277v-breakers-195.webp?v=1789233397","url":"https:\/\/www.ampstate.com\/products\/abb-s273-k16a-16a-3p-277v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}