{"product_id":"square-d-ecb34020g3-20a-3-pole-bolt-on-circuit-breaker","title":"Square D ECB34020G3 - 20 A, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D ECB34020G3 — a purpose-built 20 A, 3-pole bolt-on molded case circuit breaker designed to protect every branch of your electrical system with precision. Built for dependable overcurrent and short-circuit protection in panelboards and load centers, this unit keeps your circuits safer, longer, and more reliable in real-world conditions.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e delivers a rigid, vibration-resistant bus connection, minimizing loosening and maintaining consistent electrical contact over time.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection performance by responding to both overloads and short circuits, reducing nuisance trips while preserving circuit integrity.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible design\u003c\/strong\u003e is engineered to work seamlessly with matching OEM load centers and panelboards, simplifying replacement and upgrades in existing installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application\u003c\/strong\u003e suitable for residential, commercial, and light industrial environments, making it a practical choice for a wide range of projects.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this matters in the field: a bolt-on ECB like the ECB34020G3 enables straightforward installation in compatible panelboards, with a robust connection that stands up to vibration and normal operating conditions. The thermal-magnetic protection curve provides dependable tripping behavior, helping prevent damage from overloads and keeping shutdowns predictable when a fault occurs. This is especially valuable in panelboard upgrades, service panel refurbishments, or new installations where reliability and standardization are priorities.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eTechnical snapshot\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Square D\u003c\/li\u003e \u003cli\u003ePart Number: ECB34020G3\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 20 A\u003c\/li\u003e \u003cli\u003eNumber of Poles: 3\u003c\/li\u003e \u003cli\u003eMounting Style: Bolt-on\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis device is the right choice when you need a dependable, OEM-aligned solution that fits your panelboard ecosystem and provides consistent protection for three-phase or multi-pole circuits in a compact, bolt-on package. Ideal for AmpState customers seeking a proven, service-ready breaker that aligns with Square D standards and OEM layouts.\u003c\/p\u003e \u003cp\u003ePractical usage ideas:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eUpgrade or replace existing 3-pole protection in residential or light commercial panelboards to improve fault response and reliability.\u003c\/li\u003e \u003cli\u003eInstall in new panel centers that require bolt-on molded case breakers with solid bus connections for vibration-prone environments.\u003c\/li\u003e \u003cli\u003eUse in applications where consistent, predictable trip behavior is essential for safeguarding motors, lighting, and power distribution circuits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eAt a glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e3-pole, 20 A bolt-on molded case circuit breaker\u003c\/li\u003e \u003cli\u003eThermal-magnetic protection for overload and short-circuit events\u003c\/li\u003e \u003cli\u003eManufactured by Square D; compatible with OEM panelboards and load centers\u003c\/li\u003e \u003cli\u003eSuitable across residential, commercial, and light industrial settings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355184550050,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-ecb34020g3-20-a-3-pole-bolt-on-circuit-breaker-ampstate-344.webp?v=1788739658","url":"https:\/\/www.ampstate.com\/products\/square-d-ecb34020g3-20a-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}