{"product_id":"eaton-chb140-40a-120v-1-pole-bolt-on-circuit-breaker","title":"Eaton CHB140 - 40 A, 120 V, 1-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Eaton CHB140 is a 40-amp, 120-volt, 1-pole bolt-on molded case circuit breaker designed to protect branch circuits from overcurrent and short circuits. Built for panelboards and load centers, it delivers dependable protection where reliability matters most.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e ensures a rigid, vibration-resistant connection to the bus, reducing the risk of connection loosening in demanding environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection performance—thermal element handles sustained overloads, while the magnetic component quickly clears short circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible\u003c\/strong\u003e with matching Eaton load centers and panelboards, simplifying replacements and upgrades without sacrificing reliability.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application\u003c\/strong\u003e suitable for residential, commercial, and light industrial installations that require trustworthy branch circuit protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear specifications at a glance\u003c\/strong\u003e 1-pole, 40A, 120V, part number CHB140, manufacturer Eaton, bolt-on mounting for straightforward installation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhat this means in real-world use: when you’re wiring a kitchen, a service panel, or a small commercial subpanel, the CHB140 delivers consistent performance from first energization to years of operation. It’s designed to fit seamlessly into Eaton-based systems, reducing compatibility concerns and installation time while delivering precise protection for critical circuits.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eIdeal for:\u003c\/strong\u003e electricians and facilities professionals seeking a reliable, compatible bolt-on breaker for Eaton panelboards and load centers; homeowners upgrading a panel with Eaton components; installers tasked with maintaining code-compliant branch protection in residential, commercial, or light industrial settings.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003ePractical tips\u003c\/strong\u003e:\n\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eVerify the panelboard compatibility with the CHB series when performing replacements or upgrades.\u003c\/li\u003e \u003cli\u003eUse in circuits that require solid overcurrent protection with predictable, trip-based behavior under varying load conditions.\u003c\/li\u003e \u003cli\u003eKeep the part number (CHB140) handy for ordering replacements or matching spares to existing Eaton installations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349521387682,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton_breaker_and_panels_e785abe8-1f78-475f-a116-252a974f1cad.png?v=1764148706","url":"https:\/\/www.ampstate.com\/products\/eaton-chb140-40a-120v-1-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}