{"product_id":"siemens-jk3b070","title":"Siemens JK3B070 70A 3-Pole 600 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens JK3B070, a rugged 70 A, three-pole circuit breaker designed to protect three-phase power systems up to 600 V. Built for reliability in commercial and industrial panels, this device delivers dependable overcurrent protection for motors, pumps, conveyors, and other essential three-phase equipment.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e JK3B070\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 70 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 600 V\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose the Siemens JK3B070\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design for synchronized protection\u003c\/strong\u003e — ensures all three phases trip together, reducing the risk of unbalanced loads and electrical faults.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIndustrial-grade reliability\u003c\/strong\u003e from Siemens, a name trusted in electrical distribution for decades.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear compatibility with three-phase panel boards\u003c\/strong\u003e and distribution systems that require robust 600 V protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStraightforward integration\u003c\/strong\u003e into existing Siemens or compatible panel configurations, helping streamline replacements and upgrades.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal applications\u003c\/h3\u003e\n\u003cp\u003eUse the JK3B070 in commercial and industrial environments where three-phase loads demand solid protection. It’s well-suited for motor starters, HVAC equipment, conveyor systems, pumps, and general distribution panels that operate within a 600 V framework. When reliability and consistent protection are critical, this 70 A breaker helps maintain uptime and protects wiring from overloads and faults.\u003c\/p\u003e \u003ch3\u003eInstallation and practical tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eVerify compatibility\u003c\/strong\u003e with your panel’s design and the bus bar configuration before replacement or installation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFollow wiring diagrams\u003c\/strong\u003e and manufacturer guidance to ensure correct line and load connections across all three poles.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHandle with power off\u003c\/strong\u003e and observe standard safety practices during installation to protect personnel and equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePlan for future upgrades\u003c\/strong\u003e if you anticipate higher loads or phased expansions—the three-pole, 70 A rating provides a solid protection baseline in multi-phase systems.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIn environments where uptime and safety matter, the Siemens JK3B070 delivers clear, dependable three-phase protection with a straightforward fit in standard distribution setups. Its 70 A rating and 600 V capacity make it a practical, long-term choice for safeguarding critical electrical infrastructure.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46423259152546,"sku":"JK3B070","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-jk3b070","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}