{"product_id":"square-d-fh26040ab-40a-600v-2-pole-plug-in-circuit-breaker","title":"Square D FH26040AB - 40 A, 600 V, 2-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D FH26040AB—a 40 A, 600 V, 2-pole plug-in molded case circuit breaker designed to safeguard panelboards and load centers with dependable, repeatable protection. Built for fast installation and straightforward replacement, this unit keeps critical circuits—and the people relying on them—protected with minimal downtime.\u003c\/p\u003e \u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFast plug-in connection:\u003c\/strong\u003e streamlined installation and quick field replacement keeps service interruptions to a minimum.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit:\u003c\/strong\u003e combines overload protection with short-circuit response for stable, predictable protection across varying loads and temperatures.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility:\u003c\/strong\u003e specifically designed to fit matching Square D load centers and panelboards for reliable seating and alignment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile, high-voltage protection:\u003c\/strong\u003e 600 V rating expands suitability for residential, commercial, and light industrial applications while maintaining precise protection on each branch circuit.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTwo-pole 40 A configuration:\u003c\/strong\u003e ideal for protecting paired circuits or multi-wire branch circuits where simultaneous disconnection is required.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eProduct Details\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Square D\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e FH26040AB\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage Rating:\u003c\/strong\u003e 40 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 2\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting Style:\u003c\/strong\u003e Plug-in\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eProtecting branch circuits in panelboards and load centers within residential, commercial, and light industrial environments.\u003c\/li\u003e \u003cli\u003eReplacing aging or worn plug-in breakers in existing Square D installations for continued reliability.\u003c\/li\u003e \u003cli\u003eConfigurations that require a robust 2-pole 40 A protection strategy with a plug-in design for quick service.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eUsage and Installation Tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eEnsure the panelboard or load center is compatible with plug-in molded case breakers of this type and rating.\u003c\/li\u003e \u003cli\u003eVerify the circuit requirements align with a 40 A protection level and a 2-pole configuration for simultaneous disconnect needs.\u003c\/li\u003e \u003cli\u003eFollow all panel manufacturer installation instructions and local electrical codes when installing or replacing breakers.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned by a trusted name in electrical protection, the Square D FH26040AB offers precise, reliable performance when you need it most. Its plug-in design minimizes downtime, while the thermal-magnetic trip mechanism delivers consistent protection against overcurrent and short circuits across a range of operating conditions. Whether you're upgrading a panelboard, stocking spares for service life, or outfitting a new installation, this breaker provides the dependable protection you can count on in demanding environments.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355232817314,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-fh26040ab-40-a-600-v-2-pole-plug-in-circuit-breaker-509.webp?v=1788744306","url":"https:\/\/www.ampstate.com\/products\/square-d-fh26040ab-40a-600v-2-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}