{"product_id":"siemens-q140-40a-1p-circuit-breaker","title":"Siemens Q140 40A 1P Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSiemens Q140 40A 1P Circuit Breaker\u003c\/strong\u003e from AmpState delivers dependable overcurrent protection for panelboards, load centers, and electrical distribution installations. Designed for retrofit work and maintenance planning where keeping the exact part number matters, the Q140 makes replacements straightforward and reduces downtime.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e Q140\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Circuit Breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 40 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 1 Pole\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhere it fits\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003ePanelboards\u003c\/li\u003e \u003cli\u003eLoad centers\u003c\/li\u003e \u003cli\u003eElectrical distribution systems\u003c\/li\u003e \u003cli\u003eRetrofit projects and maintenance planning where continuity of part numbers is essential\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this matters\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003ePart-number stability minimizes mis-orders and simplifies parts inventories during upgrades or repairs\u003c\/li\u003e \u003cli\u003eSingle-pole design keeps a compact footprint in crowded panel spaces\u003c\/li\u003e \u003cli\u003eSiemens engineering ensures compatibility with Q-series breakers and many Siemens-panel configurations\u003c\/li\u003e \u003cli\u003e40 A protection suitable for common lighting and circuit runs in residential or light commercial installations\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical usage tips\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eVerify the panelboard accepts Q140 breakers by matching the Siemens Q-series family; use for standard 1P, 40 A protection\u003c\/li\u003e \u003cli\u003eMaintain replacement plans with the same part number across service windows to streamline ordering\u003c\/li\u003e \u003cli\u003eKeep a spare Q140 on hand for proactive maintenance\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eAvailable from AmpState. Need help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46410885660834,"sku":"Q140","price":33.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_83963f7f-600e-419f-90c6-e7677089642b.png?v=1765492973","url":"https:\/\/www.ampstate.com\/products\/siemens-q140-40a-1p-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}