{"product_id":"general-electrics-thhqb32020st1-20a-3-pole-bolt-on-circuit-breaker","title":"General Electrics THHQB32020ST1 - 20 A, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the General Electrics THHQB32020ST1, a 20A, 3-pole bolt-on molded case circuit breaker designed to safeguard your electrical system with reliability in panelboards and load centers. Built for straightforward installation and consistent protection, this unit helps you keep essential circuits protected from overcurrent and short circuits without sacrificing uptime.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e delivers a rigid, vibration-resistant bus connection, reducing loose-term connections that can lead to heat build-up or nuisance trips.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection by combining thermal and magnetic sensing—efficiently handling both gradual overloads and sudden short circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design\u003c\/strong\u003e offers robust protection for three-phase circuits and multi-pole configurations common in commercial and light industrial applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible\u003c\/strong\u003e is designed to be used with matching OEM load centers and panelboards, ensuring a seamless replacement or upgrade without compatibility concerns.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications\u003c\/strong\u003e suitable for residential, commercial, and light industrial environments where dependable branch circuit protection is a must.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this 3-pole bolt-on MCCB stands out\u003c\/h3\u003e\n\u003cp\u003eIn panel installations where panelboard space is at a premium and vibration is a consideration (think equipment rooms, basements, or service panels), the THHQB32020ST1’s bolt-on mounting provides a solid mechanical connection that resists movement and loosening over time. The thermal-magnetic trip unit is tuned for predictable performance, so you’ll experience fewer unexpected trips and easier troubleshooting when loads change or expand.\u003c\/p\u003e \u003ch3\u003eIdeal use scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eThree-phase motor circuits in small industrial or commercial setups\u003c\/li\u003e \u003cli\u003eProtecting clustered branch circuits in service panels and main distribution panels\u003c\/li\u003e \u003cli\u003eUpgrades or replacements in OEM-load centers where a 20A, 3-pole protection device is required\u003c\/li\u003e \u003cli\u003eNew installations that demand a durable, vibration-resistant breaker with precise trip characteristics\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eSpecification snapshot\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: General Electrics\u003c\/li\u003e \u003cli\u003eModel: THHQB32020ST1\u003c\/li\u003e \u003cli\u003eAmperage rating: 20 A\u003c\/li\u003e \u003cli\u003ePoles: 3\u003c\/li\u003e \u003cli\u003eMounting style: Bolt-on\u003c\/li\u003e \u003cli\u003eTrip technology: Thermal-magnetic\u003c\/li\u003e \u003cli\u003eType: Molded case circuit breaker (MCCB)\u003c\/li\u003e \u003cli\u003eApplications: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIf you’re updating a panelboard or load center and need a dependable, high-availability protection solution, the THHQB32020ST1 delivers precise protection with durable construction. Its combination of secure mounting, stable trip behavior, and OEM compatibility makes it a practical choice for professionals and proactive maintainers who value consistent performance and long service life.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349729464482,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/general-electrics-thhqb32020st1-20-a-3-pole-bolt-on-circuit-breaker-231.webp?v=1788717483","url":"https:\/\/www.ampstate.com\/products\/general-electrics-thhqb32020st1-20a-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}