{"product_id":"square-d-999215-circuit-breaker","title":"Square D | 999215 | Circuit Breaker | 15A | 3-Pole | 600V | 10kA | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSquare D 999215 Circuit Breaker\u003c\/strong\u003e — a precise, bolt-on protection device built for three‑phase systems. This 15A, 3‑pole breaker is designed to drop into compatible Square D panels, delivering reliable fault interruption when you’re performing maintenance, retrofit, or replacement work that demands exact specifications.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage per pole:\u003c\/strong\u003e 15A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3‑Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInterrupting capacity:\u003c\/strong\u003e 10kA\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolt‑On\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReference number:\u003c\/strong\u003e 999215\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this matters in real applications:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree‑pole protection for balanced three‑phase systems:\u003c\/strong\u003e Ensures simultaneous disconnection across all phases, reducing the risk of phase imbalances that can damage motors and equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh fault‑current handling:\u003c\/strong\u003e With a 10kA interrupting rating, this breaker is equipped to safely interrupt substantial fault currents common in industrial environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt‑on installation:\u003c\/strong\u003e Bolt‑on style provides a rugged, vibration‑resistant fit in compatible panels, offering a durable solution for retrofit or replacement projects.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eExact compatibility reference:\u003c\/strong\u003e Rely on the part number 999215 to match your panel’s design and ratings, ensuring a straightforward upgrade or refresh.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal use scenarios:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eMaintenance or retrofit projects in three‑phase industrial panels that require a 15A, 3‑pole, 600V bolt‑on breaker.\u003c\/li\u003e \u003cli\u003eReplacement of aging or failed breakers in Square D distribution systems where matching the exact specs is critical.\u003c\/li\u003e \u003cli\u003eMotor control circuits, pumps, fans, and other three‑phase equipment in manufacturing, processing, or facility applications.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical notes for purchase and installation:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBefore ordering:\u003c\/strong\u003e confirm fit and ratings with your panel labeling and wiring diagram; the 999215 part reference is the most reliable compatibility check.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInstallation reminder:\u003c\/strong\u003e Power must be isolated, the old breaker removed, and the bolt‑on breaker securely tightened to the panel’s specified torque. If in doubt, consult a qualified electrician.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46424802001058,"sku":"999215","price":310.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-999215-circuit-breaker-15a-3-pole-600v-10ka-bolt-115.webp?v=1789415460","url":"https:\/\/www.ampstate.com\/products\/square-d-999215-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}