{"product_id":"siemens-km3t225","title":"Siemens KM3T225 225A 3-Pole 600 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens KM3T225, a purpose-built 3-pole circuit breaker designed to safeguard your 3-phase power infrastructure with precision. With a \u003cstrong\u003e225 A\u003c\/strong\u003e current rating and a \u003cstrong\u003e600 V\u003c\/strong\u003e maximum voltage, this unit is ready to handle the demands of commercial and light industrial environments where reliability matters.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e KM3T225\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 225 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Siemens\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this matters: the \u003cstrong\u003ethree-pole design\u003c\/strong\u003e provides coordinated protection across all three phases, helping prevent unbalanced loads and reducing the risk of fault propagation. The KM3T225 is purpose-built to interrupt fault currents quickly and reliably, preserving downstream equipment such as motors, transformers, and control circuits.\u003c\/p\u003e \u003cp\u003eIdeal applications include protecting 3-phase feeders in electrical panels, distribution boards, and switchgear where a robust 225 A limit is appropriate. Whether you’re upgrading an existing Siemens setup or stocking a spare for maintenance programs, the KM3T225 offers a straightforward, compatible choice that aligns with Siemens components and assemblies.\u003c\/p\u003e \u003cp\u003eKey benefits at a glance:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eCause-focused protection for three-phase systems up to 225 A\u003c\/li\u003e \u003cli\u003eClear, consistent performance at voltages up to 600 V\u003c\/li\u003e \u003cli\u003ePart Number KM3T225 ensures exact compatibility with Siemens panels and related gear\u003c\/li\u003e \u003cli\u003eCompact, reliable build designed for steady operation in demanding environments\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical guidance for use and installation (based on the product data): verify that the application matches a 3-pole, 225 A, 600 V rating; ensure correct electrical enclosure compatibility and follow standard electrical practices for mounting and bus connection. This KM3T225 unit is positioned as a dependable choice when you need a Siemens-branded solution that delivers consistent protection for three-phase circuits.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46423529128098,"sku":"KM3T225","price":510.0,"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-km3t225","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}