{"product_id":"siemens-jk3b175","title":"Siemens JK3B175 175A 3-Pole 600 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens JK3B175 175A 3-Pole 600 V Circuit Breaker — a purpose-built solution for reliable three-phase protection in demanding electrical environments. With Part Number JK3B175, this breaker is crafted to fit into Siemens panels and distribution systems where consistent, predictable protection is non-negotiable.\u003c\/p\u003e \u003ch2\u003eThree-phase protection you can count on\u003c\/h2\u003e\n\u003cp\u003eThe JK3B175 is designed to safeguard all three active conductors in a three-phase system, helping keep motors, drives, and other heavy loads safe from overloads and short circuits. Its 600 V voltage rating covers common industrial and commercial power networks, while the 175 A current rating provides a robust threshold for sizable equipment and feeders.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent rating\u003c\/strong\u003e: 175 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoles\u003c\/strong\u003e: 3 (three-pole configuration for balanced phase protection)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage rating\u003c\/strong\u003e: 600 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number\u003c\/strong\u003e: JK3B175\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand lineage\u003c\/strong\u003e: Siemens — trusted engineering and compatibility with Siemens protective devices\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat it protects\u003c\/strong\u003e: Overcurrent and short-circuit events on three-phase circuits\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal applications\u003c\/h3\u003e\n\u003cp\u003ePerfect for industrial control panels, commercial distribution boards, and manufacturing environments where three-phase power drives equipment like large motors, pumps, and conveyors. It’s a practical choice for upgrade projects or replacements in existing Siemens installations, helping maintain a cohesive protection strategy across your electrical infrastructure.\u003c\/p\u003e \u003ch3\u003eWhy this matters\u003c\/h3\u003e\n\u003cp\u003eA 3-pole breaker with a solid 175 A rating ensures you’re protecting both equipment and wiring without excessive nuisance tripping. By covering all phases, it minimizes unbalanced loads and reduces the risk of arc-related faults. When you choose the Siemens JK3B175, you’re aligning with a component designed for predictable performance and easy integration into your current Siemens ecosystem.\u003c\/p\u003e \u003ch3\u003ePractical notes for installation and use\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEnsure load calculations align with a 175 A protection rating to prevent unnecessary trips during startup or peak demand.\u003c\/li\u003e\n\u003cli\u003eConfirm panel and accessory compatibility within the Siemens lineup to streamline replacements and future upgrades.\u003c\/li\u003e\n\u003cli\u003eAdhere to standard electrical installation practices and local codes for safe, compliant operation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eSpecifications at a glance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCurrent rating: 175 A\u003c\/li\u003e\n\u003cli\u003ePoles: 3\u003c\/li\u003e\n\u003cli\u003eVoltage rating: 600 V\u003c\/li\u003e\n\u003cli\u003ePart Number: JK3B175\u003c\/li\u003e\n\u003cli\u003eManufacturer: Siemens\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46423249551522,"sku":"JK3B175","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-jk3b175","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}