{"product_id":"siemens-hf3b070","title":"Siemens HF3B070 70A 3-Pole 600 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens HF3B070 70A 3-Pole 600 V Circuit Breaker — a purpose-built protective device for demanding 3‑phase electrical systems. Engineered to reliably interrupt fault currents and prevent damage, this breaker delivers consistent performance in industrial panels, motor control centers, and heavy-duty distribution setups.\u003c\/p\u003e \u003cp\u003eKey to its value is the combination of a 70 A current rating with a 3-pole design, enabling safe, coordinated protection across all three phases in systems operating up to 600 V. Whether you’re upgrading an aging panel or stocking spare components for critical equipment, the HF3B070 is a dependable choice that fits into standard three‑phase configurations.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eCurrent rating: 70 A\u003c\/li\u003e \u003cli\u003ePoles: 3\u003c\/li\u003e \u003cli\u003eVoltage rating: 600 V\u003c\/li\u003e \u003cli\u003ePart number: HF3B070\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this model matters in real-world use\u003c\/h3\u003e\n\u003cp\u003eIndustrial environments demand protection you can trust. The Siemens HF3B070 provides immediate protection for three-phase motors, pumps, conveyors, and control circuits by reliably opening the circuit when overloads or abnormal fault currents occur. Its 3‑pole design ensures balanced protection across all phases, helping reduce equipment wear and prevent unexpected downtime.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eThree-phase motor control circuits in manufacturing and processing facilities\u003c\/li\u003e \u003cli\u003ePanelboard feeders in commercial and light-industrial installations\u003c\/li\u003e \u003cli\u003eReplacement for aging Siemens breakers in compatible HF3B-based panels\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat sets it apart\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eDesigned to align with Siemens' HF3B family, offering familiar form factor and straightforward replacement in compatible systems\u003c\/li\u003e \u003cli\u003eReliable protection for 3‑phase circuits at up to 600 V, with a clear path to reduced downtime and protected equipment\u003c\/li\u003e \u003cli\u003eDurable construction backed by Siemens engineering, supporting consistent performance in demanding environments\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and practical tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify system compatibility: 3‑phase, 600 V environment with three conductors and a suitable panel or disconnect enclosure\u003c\/li\u003e \u003cli\u003eInstall according to standard electrical practices and Siemens installation guidelines to ensure proper mounting and operation\u003c\/li\u003e \u003cli\u003eHandle with power off and avoid contact with live components during installation\u003c\/li\u003e \u003cli\u003eKeep reachable spares on hand for quick replacement to minimize equipment downtime\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith the Siemens HF3B070, you’re choosing a proven, purpose-built solution for protecting three-phase power distribution. This 70 A, 3‑pole, 600 V circuit breaker delivers dependable protection and straightforward replacement in compatible systems, helping you maintain safer, more reliable electrical infrastructure.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46423251812514,"sku":"HF3B070","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-hf3b070","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}