{"product_id":"siemens-mqj3110kl-circuit-breaker","title":"Siemens | MQJ3110KL | Circuit Breaker | 110A | 3-Pole | 240V","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens MQJ3110KL Circuit Breaker delivers reliable overcurrent protection for 240V, three‑phase systems. Designed for maintenance, retrofit, and replacement projects, this 110A, 3‑pole unit fits Siemens panels that require the MQJ family, helping you keep critical equipment protected and running smoothly.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage\u003c\/strong\u003e: 110A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles\u003c\/strong\u003e: 3‑Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage\u003c\/strong\u003e: 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart reference\u003c\/strong\u003e: MQJ3110KL\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBest use\u003c\/strong\u003e: maintenance, retrofit, or replacement where exact compatibility is essential\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this specific breaker matters\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact compatibility\u003c\/strong\u003e: The MQJ3110KL is the best reference for panel compatibility within the Siemens MQJ series. Always verify the part number to ensure a proper fit.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree‑pole, 240V configuration\u003c\/strong\u003e: Provides coordinated protection across all three phases, which is critical for motors, compressors, and other 3‑phase equipment in commercial or industrial settings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e110A protection\u003c\/strong\u003e: Balances sufficient current capacity with reliable protection for feeders and mid‑sized loads, reducing nuisance trips during normal operation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePractical for upgrades\u003c\/strong\u003e: Ideal for retrofit or replacement in existing Siemens installations where a 110A, 3‑pole, 240V breaker is required to restore or expand reliable distribution.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal use cases and who benefits\u003c\/p\u003e \u003cul\u003e \u003cli\u003eFacilities managers, electrical contractors, and maintenance teams working in commercial or light‑industrial environments with 3‑phase 240V distribution.\u003c\/li\u003e \u003cli\u003eProjects involving motor-driven equipment, HVAC systems, pumps, or other machinery that require solid 3‑phase protection at 110A.\u003c\/li\u003e \u003cli\u003eRepairs or upgrades where matching the Siemens MQJ sequence is essential to maintain panel conformity and ease of future servicing.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical notes for installation and ordering\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eConfirm fit and ratings\u003c\/strong\u003e: Before purchasing, cross‑check the MQJ3110KL part number with your panel’s specification sheet to ensure compatibility and correct trip characteristics.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSafety first\u003c\/strong\u003e: Work with power completely isolated, and follow local electrical codes. If in doubt, consult a licensed electrician.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReplacement strategy\u003c\/strong\u003e: Keep a compatible spare on hand for critical installations to minimize downtime during maintenance or replacements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427475476642,"sku":"MQJ3110KL","price":5025.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-mqj3110kl-circuit-breaker-110a-3-pole-240v-932.webp?v=1789728423","url":"https:\/\/www.ampstate.com\/products\/siemens-mqj3110kl-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}