{"product_id":"siemens-q340hh","title":"Siemens Q340HH 40A 3-Pole 240 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSiemens Q340HH\u003c\/strong\u003e 40 A, 3-Pole, 240 V circuit breaker delivers reliable three-phase protection for demanding electrical systems. With part number Q340HH, this unit is designed to integrate smoothly into Siemens panels and compatible enclosures, providing strong overcurrent protection where it’s needed most.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole protection\u003c\/strong\u003e safeguards all three phases (L1, L2, L3) in 240 V networks, ensuring balanced protection for motors, pumps, and other 3‑phase equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e40 A current rating\u003c\/strong\u003e offers precise, component-friendly safeguarding for loads like three-phase motors, HVAC drives, and conveyor systems up to 40 A per phase.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number Q340HH\u003c\/strong\u003e provides exact identification for fast replacement, maintenance, and compatibility within existing Siemens installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePanel compatibility\u003c\/strong\u003e designed for Siemens Q-line panels and other compatible enclosures that accept 3-pole breakers, simplifying upgrades and serviceability.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEfficient panel layouts\u003c\/strong\u003e consolidates three individual protections into a single, space-efficient unit, reducing wiring complexity and improving reliability in control panels.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis model is ideal for commercial and light-industrial settings where three-phase equipment—such as motors, compressors, and HVAC drives—needs dependable protection. Use it as the primary protection point in a subpanel, or as a dedicated motor circuit breaker to prevent nuisance trips and protect wiring and equipment from overloads and short circuits.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eCurrent rating: 40 A\u003c\/li\u003e \u003cli\u003ePoles: 3\u003c\/li\u003e \u003cli\u003eVoltage rating: 240 V\u003c\/li\u003e \u003cli\u003ePart number: Q340HH\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose the Siemens Q340HH 40A 3-Pole 240 V circuit breaker to deliver robust, three-phase protection with straightforward integration into your existing Siemens electrical system. Protect your equipment, streamline maintenance, and keep critical loads running smoothly.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46423584178338,"sku":"Q340HH","price":1336.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_229276d9-908d-46df-93e5-6fe31866e0ff.png?v=1765492975","url":"https:\/\/www.ampstate.com\/products\/siemens-q340hh","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}