{"product_id":"5sy4125-5","title":"Siemens 5SY4125-5 - 25A, 400VAC, 1-Pole, Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens 5SY4125-5 — a compact, reliable protection device engineered for single‑phase power networks. This 25A circuit breaker is rated up to 400VAC, delivering dependable overcurrent protection where it matters most in industrial, commercial, and OEM environments. With its 1‑pole configuration, it’s designed for flexible integration in panelboards, switchboards, and control panels.\u003c\/p\u003e \u003ch3\u003eWhat makes the Siemens 5SY4125-5 stand out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePrecise single‑pole protection\u003c\/strong\u003e ideal for single‑phase feeders and control circuits within distribution panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e25A rating at 400VAC\u003c\/strong\u003e supports common control and light‑to‑medium load applications without oversizing components.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRobust Siemens engineering\u003c\/strong\u003e you can trust for consistent performance in demanding environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile installation\u003c\/strong\u003e compatible with panelboards, switchboards, and motor control centers, enabling streamlined layouts and easier maintenance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM friendly\u003c\/strong\u003e a reliable choice for original equipment manufacturing where dependable protection is non‑negotiable.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eSingle‑phase feeds in control panels and motor control centers where space is at a premium.\u003c\/li\u003e \u003cli\u003eMaintenance and distribution panels in commercial settings that require dependable current interruption up to 25A.\u003c\/li\u003e \u003cli\u003eOEM equipment where a compact, easy‑to‑source protection device helps simplify assembly and serviceability.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this matters for your system\u003c\/h3\u003e\n\u003cp\u003eChoosing the Siemens 5SY4125-5 means you’re selecting a proven protection strategy for overcurrent scenarios, helping minimize downtime and equipment damage. The 1‑pole design reduces unnecessary complexity in single‑phase circuits, while the 400VAC rating accommodates a broad range of distribution scenarios. Its compatibility with standard panel architectures makes it easy to spec, install, and stock for ongoing maintenance.\u003c\/p\u003e \u003ch3\u003eSpecifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 25A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 400VAC\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 1‑Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBreaker type:\u003c\/strong\u003e Circuit Breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e panelboards, switchboards, control panels, industrial and commercial power distribution, OEM equipment\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical tips for use\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify that your panel or switchboard supports a 1‑pole, 400VAC protection device and that the 25A setting matches the load profile of the circuit.\u003c\/li\u003e \u003cli\u003eWhen wiring, follow manufacturer torque specifications to ensure reliable electrical contact and consistent trip performance.\u003c\/li\u003e \u003cli\u003eUse this breaker as part of a holistic protection strategy that includes proper enclosure, labeling, and periodic inspection as part of routine maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default","offer_id":46390749986978,"sku":"5SY4125-5","price":215.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/circuit_breaker_generic_337407d2-8d2d-42e6-aeac-c2d50edf2189.png?v=1765379524","url":"https:\/\/www.ampstate.com\/products\/5sy4125-5","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}