{"product_id":"siemens-hjx3v400l","title":"Siemens HJX3V400L 400A 3-Pole 3 V Circuit Breaker Potential Transformer","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens HJX3V400L is a purpose-built solution for demanding three-phase protection, delivering reliable disconnects and precise monitoring in one integrated unit. With a 400 A current rating, a 3-pole design, and an integrated potential transformer, this breaker simplifies protection schemes while reducing wiring complexity in industrial panels and switchgear. Part Number HJX3V400L reflects Siemens’ commitment to durable, trustworthy protection when it matters most.\u003c\/p\u003e \u003ch3\u003eKey advantages that matter in real-world setups\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e400 A current rating\u003c\/strong\u003e provides robust protection for heavy-load applications, helping to prevent equipment damage and unplanned downtime.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole design\u003c\/strong\u003e ensures simultaneous disconnection of all three phases, which is essential for safe tripping in balanced and unbalanced three-phase systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIntegrated potential transformer\u003c\/strong\u003e supports metering, protective relays, and control signaling without the need for separate accessories, simplifying installation and maintenance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompact, Siemens-engineered construction\u003c\/strong\u003e designed to withstand industrial environments, delivering consistent performance over time.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number HJX3V400L\u003c\/strong\u003e provides a precise identification for ordering, stocking, and compatibility within Siemens protection ecosystems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating: 3 V\u003c\/strong\u003e aligns with specific low-voltage protection and monitoring configurations, enabling streamlined integration with compatible systems.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eIndustrial power distribution panels where three-phase protection and accurate monitoring are critical.\u003c\/li\u003e \u003cli\u003eData centers or manufacturing lines with high startup currents that require dependable, rapid fault isolation.\u003c\/li\u003e \u003cli\u003eProtection schemes that benefit from built-in metering and signaling, reducing the need for additional instrumentation.\u003c\/li\u003e \u003cli\u003eNew installations or retrofits in Siemens-oriented protection architectures seeking a unified breaker and transformer solution.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat this means for you\u003c\/h3\u003e\n\u003cp\u003eChoosing the HJX3V400L means selecting a trusted Siemens device that pairs robust overcurrent protection with a convenient, integrated measurement component. The combination minimizes wiring, accelerates installation, and supports clearer diagnostics for maintenance teams. By aligning with three-phase protection standards and Siemens’ relays and panels, this unit helps you achieve faster fault clearing, better system visibility, and streamlined spare-part management.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eTechnical snapshot\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eCurrent rating: \u003cstrong\u003e400 A\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003ePoles: \u003cstrong\u003e3\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eVoltage rating: \u003cstrong\u003e3 V\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003ePart Number: \u003cstrong\u003eHJX3V400L\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eType: \u003cem\u003eCircuit Breaker with Integrated Potential Transformer\u003c\/em\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eFor professionals stocking Siemens protection equipment, the HJX3V400L offers a cohesive, reliable solution that aligns with established protection strategies while delivering the convenience of an integrated measurement component. When performance, clarity, and streamlined installation are priorities, this 3-pole, 400 A unit with a built-in potential transformer stands out as a practical, purpose-driven choice.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46423587618978,"sku":"HJX3V400L","price":54642.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-hjx3v400l-400a-3-pole-v-circuit-breaker-potential-transformer-618.webp?v=1789318158","url":"https:\/\/www.ampstate.com\/products\/siemens-hjx3v400l","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}