{"product_id":"thqb2120-2-pole-miniature-circuit-breaker-single-u","title":"THQB2120 2-Pole Miniature Circuit Breaker, Single Unit, 20A, 120\/240 VAC, 10 kA Interrupting Capacity, Thermal Magnetic Trip, Bolt-On Mounting, HACR Rated for Panels, Reverse Feed Capable","description":"Single unit THQB2120 2-pole 20A breaker, 120\/240VAC\u003cbr\u003e\n✔️ Thermal magnetic trip, 10 kA interrupting capacity, bolt-on HACR rated\n\n\u003cp\u003eThis single THQB2120 miniature circuit breaker protects two circuits in residential and light commercial panels and load centers for branch circuit protection.\u003c\/p\u003e\n\n\u003cp\u003e✅ 2-pole, 20 A rating, 120\/240 VAC, visible trip indicator\u003cbr\u003e\n✅ 10 kA interrupting capacity, HACR rated, reverse feed capable\u003cbr\u003e\n✅ Thermal magnetic quick-make\/quick-break trip for fast fault clearing\u003cbr\u003e\n✅ Bolt-on mounting for secure installation in panelboards and load centers\u003cbr\u003e\n✅ Ideal for HVAC circuits, general branch protection, and residential service panels\u003cbr\u003e\u003c\/p\u003e\n\n\u003cp\u003e💡 What interrupting capacity is required for 120\/240 VAC residential panel breakers? A breaker should have interrupting capacity equal to or greater than the available fault current at the service point. Keep a safety margin when sizing breakers.\n- Calculate the available fault current from the utility or transformer, then choose a breaker with equal or higher kAIC rating.\n- Many modern homes accept 10 kAIC for typical panels, but longer service feeds or commercial sites often need higher ratings.\n- Use thermal magnetic trip breakers with visible trip indication for HVAC and motor loads to simplify maintenance and troubleshooting.\u003c\/p\u003e","brand":"Bearings Canada","offers":[{"title":"Default Title","offer_id":52511597396287,"sku":"VXB008AX3UHO","price":114.2,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0887\/4750\/8031\/files\/61NQ64C9eGL.jpg?v=1776633127","url":"https:\/\/bearingscanada.com\/products\/thqb2120-2-pole-miniature-circuit-breaker-single-u","provider":"Bearings Canada","version":"1.0","type":"link"}