{"product_id":"q340","title":"Siemens Q340 - 40A, 3-Pole, Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens Q340 is a robust 40A, 3-Pole circuit breaker designed for reliable overcurrent protection in three-phase electrical systems. Built for industrial, commercial, and OEM environments, it is a trusted choice for panelboards, switchboards, and control panels where dependable protection matters most.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 40A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBreaker type:\u003c\/strong\u003e Circuit Breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Ideal for panelboards, switchboards, and control panels in distributed electrical systems\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBest for:\u003c\/strong\u003e Industrial facilities, commercial installations, and OEM projects requiring safe, synchronized protection across all three phases\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy it matters: In a three-phase setup, a single 3-pole breaker protects all phases, simplifying panel design and ensuring coordinated trip behavior. The Q340’s 40A rating fits a wide range of motor loads and distribution circuits, providing effective protection without oversizing the device.\u003c\/p\u003e \u003cp\u003eUse cases you can rely on:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMotor control centers where consistent phase protection is critical\u003c\/li\u003e \u003cli\u003eDistribution panels in factories and commercial buildings needing compact, reliable protection\u003c\/li\u003e \u003cli\u003eOEM electrical assemblies that require a proven, compatible 3-pole solution\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoosing Siemens means aligning with a proven protection strategy and seamless integration into existing Siemens installations and maintenance practices. The Siemens Q340 delivers straightforward, dependable performance for critical electrical infrastructure.\u003c\/p\u003e \u003cp\u003eKeep critical loads safeguarded and your distribution networks running smoothly with the Siemens Q340—a purpose-built, 3-Pole, 40A circuit breaker designed for demanding environments.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default","offer_id":46390697918626,"sku":"Q340","price":94.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/circuit_breaker_generic_d9d0b0eb-cd3f-4e26-a9ab-01a5930bbbc7.png?v=1765379207","url":"https:\/\/www.ampstate.com\/products\/q340","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}