{"product_id":"siemens-mqj3100-circuit-breaker","title":"Siemens | MQJ3100 | Circuit Breaker | 100A | 3-Pole | 240V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens MQJ3100 circuit breaker is a factory-grade, three-phase protection device designed for reliable 240V systems. With a 100A rating and 3-pole configuration, this bolt-on breaker is ideal for maintenance, retrofit, and replacement projects where exact compatibility matters. The MQJ3100 ensures your panel protection remains consistent with the rest of the Siemens ecosystem.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage\u003c\/strong\u003e: 100 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles\u003c\/strong\u003e: 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating\u003c\/strong\u003e: 240 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting\u003c\/strong\u003e: Bolt-On\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number\u003c\/strong\u003e: MQJ3100\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy choose this Siemens MQJ3100 breaker?\u003c\/strong\u003e It’s a purpose-built replacement that aligns perfectly with Siemens panels and the MQJ-series family. The bolt-on design simplifies installation, reducing service time and the risk of mounting incompatibilities. By matching the exact amperage, pole count, and voltage, you preserve the intended protection profile and avoid unpredictable behavior in three-phase circuits.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance or service on commercial or industrial panels that operate on three-phase 240V systems\u003c\/li\u003e \u003cli\u003eRetrofit projects where panel compatibility hinges on a Siemens MQJ-series or equivalent three-pole, 100A breaker\u003c\/li\u003e \u003cli\u003eReplacement for aging or failed 3-Pole 100A protection devices within multi-pole circuits\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eCompatibility and fit guidance\u003c\/strong\u003e: Always confirm fit and ratings before ordering. The MQJ3100 is the best reference for compatibility with your panel. Compare the part number, amperage, voltage, and pole count to your existing setup to ensure seamless interchangeability.\u003c\/p\u003e \u003cp\u003eFor professionals and technicians responsible for safeguarding electrical systems, the Siemens MQJ3100 delivers dependable, factory-backed interruption protection with straightforward installation. It’s the practical, durable choice for keeping three-phase equipment protected and running smoothly.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427514503330,"sku":"MQJ3100","price":3552.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_ad06fdd7-931c-4a09-bfbe-d05329579cd6.png?v=1765492978","url":"https:\/\/www.ampstate.com\/products\/siemens-mqj3100-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}