{"product_id":"square-d-ehb34040pl-circuit-breaker","title":"Square D | EHB34040PL | Circuit Breaker | 40A | 3-Pole | 480V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D EHB34040PL, a purpose-built 40 Amp, 3-Pole, 480V bolt-on circuit breaker designed for demanding industrial and commercial electrical distributions. Built for reliability in maintenance, retrofit, and replacement projects, this unit ensures precise protection where exact specifications matter.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 40 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole (three-phase)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 480 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting style:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e EHB34040PL\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy this model stands out\u003c\/strong\u003e: This breaker is designed to align precisely with Square D specifications, making it an ideal fit for systems that require exact 40A, 480V, 3-pole protection. The bolt-on mounting simplifies field installation in compatible panels, enabling swift swaps or upgrades during planned maintenance or emergency replacements. Remember: the part number is your most reliable reference for compatibility, so keep EHB34040PL on hand when shopping for replacements.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUpgrading or replacing 3-phase protection in 480V distribution panels\u003c\/li\u003e \u003cli\u003eRetrofit projects where a 40A, 3-pole breaker is required to match existing circuitry\u003c\/li\u003e \u003cli\u003eStocking spare parts for facilities with Square D bolt-on breakers to minimize downtime\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and installation tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify that your panel accepts bolt-on, 3-pole breakers rated for 480V before ordering.\u003c\/li\u003e \u003cli\u003eCheck the panel’s interrupting capacity and bus configuration to ensure a safe, code-compliant fit.\u003c\/li\u003e \u003cli\u003eFollow proper safety procedures during installation and testing to minimize risk and downtime.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned for professionals managing industrial electrical systems, the Square D EHB34040PL delivers dependable interruption control for critical 3-phase loads. Whether you’re maintaining a legacy installation, retrofitting to upgrade protection, or replacing a failed unit, this breaker provides a precise, reliable solution built around real-world operating needs.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426643300514,"sku":"EHB34040PL","price":6360.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-ehb34040pl-circuit-breaker-40a-3-pole-480v-bolt-837.webp?v=1789600244","url":"https:\/\/www.ampstate.com\/products\/square-d-ehb34040pl-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}