{"product_id":"siemens-5sy63037-3a-3p-400v-circuit-breaker","title":"Siemens 5SY63037 3A 3P 400V Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens 5SY63037—a compact, reliable three-pole circuit breaker designed for everyday electrical protection. Rated at 3 A and 400 V, this device is purpose-built for panelboards, load centers, and general electrical distribution, delivering dependable overcurrent protection when it matters most.\u003c\/p\u003e \u003cp\u003eDesigned for professionals who rely on precise part-number accuracy, the 5SY63037 is a smart choice for maintenance teams, panel builders, and spare inventory where a direct match matters. With this exact Siemens part number baked in, you’ll experience straightforward installation, faster replacements, and fewer compatibility headaches in the field.\u003c\/p\u003e \u003ch3\u003eWhy this breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDirect part-number compatibility\u003c\/strong\u003e: 5SY63037 ensures a perfect fit in existing Siemens installations, reducing the guesswork during replacement or stocking.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole protection\u003c\/strong\u003e: A single device safeguards three conductors, simplifying wiring schemes in multi-line circuits and keeping panel layouts tidy.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3 A rating at 400 V\u003c\/strong\u003e: Precisely matched to smaller, individual circuits within a broader distribution setup, helping you calibrate protection to the load.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile deployment\u003c\/strong\u003e: Ideal for panelboards, load centers, and various electrical distribution applications where reliable circuit protection is essential.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmpState sourcing and support\u003c\/strong\u003e: Available through AmpState, with proactive help to confirm fit if you’re verifying compatibility against your equipment.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eUse cases and practical scenarios\u003c\/h3\u003e\n\u003cp\u003eThis Siemens breaker is well-suited for control panels, feeders in commercial spaces, and small branch circuits where precise current protection is critical. It’s also a solid choice for spare-inventory kits, ensuring you can quickly replace a failed unit with the exact same part number, minimizing downtime and mismatch risk on critical installations.\u003c\/p\u003e \u003ch3\u003eHow to verify fit and installation tips\u003c\/h3\u003e\n\u003cp\u003eTo ensure correct replacement, compare your equipment’s documented part number with 5SY63037. Confirm that the device is intended for a 3-pole, 400 V system and that the 3 A rating aligns with the protected circuit. If you’re unsure about compatibility, send a quick message for expert assistance in confirming fit.\u003c\/p\u003e \u003ch4\u003eSpecifications at a glance\u003c\/h4\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e 5SY63037\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e 3-pole circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage rating:\u003c\/strong\u003e 3 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 400 V\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46412995690658,"sku":"5SY63037","price":583.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-5sy63037-3a-3p-400v-circuit-breaker-ampstate-breakers-687.webp?v=1789038943","url":"https:\/\/www.ampstate.com\/products\/siemens-5sy63037-3a-3p-400v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}