{"product_id":"siemens-cqdst12","title":"Siemens CQDST12 3-Pole 12 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Siemens CQDST12 3-Pole 12 V Circuit Breaker—the compact, dependable protection you need in low-voltage DC systems. Built for multi-line protection, this breaker isolates three separate conductors with a single trip, helping you simplify wiring and enhance safety in control panels, automation cabinets, and battery-backed circuits.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey features and benefits\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole design\u003c\/strong\u003e provides simultaneous disconnection of all three conductors, ensuring coordinated shutoff in multi-circuit layouts.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e12 V rating\u003c\/strong\u003e ideal for low-voltage DC control circuits, automation gear, and battery-powered applications where reliable protection is essential.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number CQDST12\u003c\/strong\u003e ensures precise replacement compatibility within Siemens' line and simplifies stocking for service teams.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable Siemens build\u003c\/strong\u003e engineered for consistent trip characteristics and long-term reliability in demanding environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEasy integration\u003c\/strong\u003e designed to fit standard control panels and Siemens-compatible assemblies, reducing installation time and wiring complexity.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile use cases\u003c\/strong\u003e suitable for industrial automation, cabinet protection, and distributed DC power networks where multiple lines require coordinated protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIn practice, the CQDST12 helps you protect critical equipment—from motor controllers to PLC-driven peripherals—by providing a reliable, single-point protection device that can be tested and maintained with ease. Its low-voltage DC rating means it's best suited for control circuits and small power-distribution tasks within automation environments, giving you predictable behavior when faults occur.\u003c\/p\u003e \u003cp\u003eChoosing this Siemens circuit breaker means opting for compatibility with Siemens' broader protection ecosystem, predictable performance, and practical installation advantages on your next panel build or retrofit project.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46423059398818,"sku":"CQDST12","price":1221.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_229276d9-908d-46df-93e5-6fe31866e0ff.png?v=1765492975","url":"https:\/\/www.ampstate.com\/products\/siemens-cqdst12","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}