{"product_id":"siemens-neb2b070b-70a-600v-2-pole-bolt-on-circuit-breaker","title":"Siemens NEB2B070B - 70 A, 600 V, 2-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens NEB2B070B is a dependable, bolt-on molded case circuit breaker designed to safeguard your electrical distribution with precise, reliable protection. With a 70A rating and a 600V maximum, this 2-pole unit is built to handle demanding branch circuits in panelboards and load centers.\u003c\/p\u003e \u003ch3\u003eKey features that matter in real-world panels\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBolt-on mounting for a rigid, vibration-resistant bus connection\u003c\/strong\u003e: The secure attachment minimizes movement and loosening in installations subject to vibration or mechanical stress, helping maintain consistent protection performance over time.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e: Combines thermal (overcurrent) and magnetic (short-circuit) protection to deliver stable, predictable trip behavior, so you won’t have to guess when a fault will clear.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e2-pole design\u003c\/strong\u003e matched to 240V circuits and feeders, providing coordinated protection for both conductors in a single device.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e: Specifically designed to work with matching Siemens OEM load centers and panelboards, ensuring proper fit, alignment, and electrical coordination.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this matters for your electrical system\u003c\/h3\u003e\n\u003cp\u003eIn residential, commercial, and light industrial environments, reliable overcurrent and short-circuit protection is essential. The NEB2B070B’s bolt-on construction creates a solid bus connection that resists loosening under vibration, while the thermal-magnetic trip provides fast, repeatable responses to faults. This means fewer unexpected trips, clearer fault signaling, and faster restoration of service after an outage.\u003c\/p\u003e \u003ch3\u003eIdeal applications and use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eProtect branch circuits feeding essential equipment in homes and small businesses\u003c\/li\u003e \u003cli\u003eUpgrade or replace aging breakers in panelboards and load centers while maintaining OEM compatibility\u003c\/li\u003e \u003cli\u003eEquip 240V circuits and multi-wire branch circuits in commercial spaces or light industrial setups\u003c\/li\u003e \u003cli\u003eInstall in panels that require a robust, bolt-on, two-pole protection device with a clear protection profile\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation, compatibility, and practical notes\u003c\/h3\u003e\n\u003cp\u003eChoose the Siemens NEB2B070B when your panelboard or load center is designed for bolt-on molded case breakers from the same family. Its 70A, 600V rating makes it suitable for standard branch circuit protection needs at moderate voltages and currents, while the two-pole configuration ensures synchronized disconnect of both supply lines in fault conditions. As with all panel components, ensure proper torque and mounting procedures per manufacturer guidelines and verify compatibility with your OEM panelboard model.\u003c\/p\u003e \u003ch3\u003eTechnical specifications\u003c\/h3\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: NEB2B070B\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType\u003c\/strong\u003e: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage Rating\u003c\/strong\u003e: 70 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating\u003c\/strong\u003e: 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of Poles\u003c\/strong\u003e: 2\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting Style\u003c\/strong\u003e: Bolt-on\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you’re stocking a service fleet for panel maintenance or upgrading a commercial distribution board, the Siemens NEB2B070B delivers precise protection with a design that prioritizes reliability in challenging installation environments. AmpState offers this bolt-on breaker as a practical, compatible solution for your Siemens panel needs.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355135594658,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-neb2b070b-70-a-600-v-2-pole-bolt-on-circuit-breaker-428.webp?v=1788734379","url":"https:\/\/www.ampstate.com\/products\/siemens-neb2b070b-70a-600v-2-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}