{"product_id":"used-square-d-qo340-3-pole-40-amps-240-volts","title":"Used Square D QO340 3 Pole, 40 Amps, 240 Volts","description":"Heavy-duty 3-pole circuit breaker designed for industrial and commercial electrical systems. The Square D QO340 handles 40-amp loads at 240 volts, making it ideal for powering large equipment, machinery, and multi-phase applications. Used condition—fully functional and tested. Compact design fits standard breaker panels. UL-listed for safety and reliability. Perfect for retrofit installations or backup inventory.","brand":"Breakers \u0026 More Electrical Supplies LLC","offers":[{"title":"Default Title","offer_id":43317224276027,"sku":"QO340","price":40.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/0254\/9307\/files\/89F1AD4D-44E4-4CAC-9BF7-767BD4846760.jpg?v=1774465239","url":"https:\/\/breakersandmore.com\/products\/used-square-d-qo340-3-pole-40-amps-240-volts","provider":"Breakers \u0026 More Electrical Supplies LLC","version":"1.0","type":"link"}