{"product_id":"siemens-cqd135-35a-277v-1-pole-circuit-breaker","title":"Siemens CQD135 - 35 A, 277 V, 1-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens CQD135 is a dependable 35A, 277V, 1-pole molded case circuit breaker designed to protect branch circuits in panelboards and loadcenters. With its compact form and precise protection, it’s an ideal upgrade or replacement for residential, commercial, and light industrial electrical systems that demand consistent performance and quick trip responses.\u003c\/p\u003e \u003ch3\u003eWhy the CQD135 stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded case design:\u003c\/strong\u003e Maximizes panel space while delivering solid protection, making it easier to fit into tight electrical enclosures.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit:\u003c\/strong\u003e Delivers stable, repeatable protection across varying temperatures and loads, helping prevent nuisance trips and ensuring the right breaker trips when it matters.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible installation:\u003c\/strong\u003e Designed to be compatible with matching Siemens loadcenters and panelboards, enabling straightforward replacement or expansion without custom adapters.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatility across sectors:\u003c\/strong\u003e Suitable for residential panels, commercial electrical rooms, and light industrial applications where 277V branch circuits are common.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliable 1-pole protection:\u003c\/strong\u003e Ideal for single-phase branch circuits that require precise overcurrent and short-circuit protection at 277V.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cp\u003eUse the CQD135 when you need dependable protection for a 35A, single-pole circuit on 277V. It’s a solid choice for lighting circuits in commercial spaces, receptacle or small equipment feeds in office environments, or any 277V branch circuit that benefits from Siemens’ proven protection technology. If you’re upgrading an older panel or expanding a panelboard, this breaker offers a compatible, performance-driven option that aligns with existing Siemens systems.\u003c\/p\u003e \u003ch3\u003eCompatibility and installation\u003c\/h3\u003e\n\u003cp\u003eTo maximize reliability and ease of service, choose the CQD135 for Siemens panelboards or loadcenters that specify a 1-pole, 35A, 277V molded case breaker. Always confirm that the replacement part matches the panel’s documented compatibility and the circuit’s amperage requirements. Installation should follow standard electrical safety practices, with the main power off and the breaker seated firmly into the bus and terminal connections correctly torqued per manufacturer guidelines.\u003c\/p\u003e \u003ch3\u003eSpecifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e CQD135\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 35A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 277V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 1\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 \u003cp\u003eWhether you’re stocking up for panel maintenance, performing a controlled upgrade, or assembling parts for a commercial electrical install, the Siemens CQD135 delivers reliable protection with a design that integrates seamlessly into Siemens panel ecosystems. Available through AmpState, it’s a practical, field-ready solution for clean, predictable electrical protection.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349782253730,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-cqd135-35-a-277-v-1-pole-circuit-breaker-ampstate-breakers-972.webp?v=1788724100","url":"https:\/\/www.ampstate.com\/products\/siemens-cqd135-35a-277v-1-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}