{"product_id":"siemens-heb3b050b-50a-600v-3-pole-bolt-on-circuit-breaker","title":"Siemens HEB3B050B - 50 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens HEB3B050B is a robust 3-pole bolt-on molded case circuit breaker designed to protect panelboards and loadcenters with dependable branch-circuit overcurrent and short-circuit protection. With a 50A rating and a 600V capacity, it’s built to meet the demands of residential, commercial, and light industrial electrical distributions.\u003c\/p\u003e \u003ch3\u003eWhy this Siemens HEB3B050B stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e provides a rigid, vibration-resistant bus connection, helping maintain a dependable electrical path even in environments with movement or vibration.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection by combining time-delayed thermal sensing with instantaneous magnetic tripping for short-circuit events.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-ready compatibility\u003c\/strong\u003e designed to align with matching Siemens load centers and panelboards, enabling straightforward replacement or upgrade without compatibility concerns.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design\u003c\/strong\u003e ensures balanced protection across three conductors, reducing the risk of uneven loading and improving overall system safety.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e50A rated protection\u003c\/strong\u003e is ideal for protecting branch circuits and feeders without excessive nuisance tripping on typical daily loads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600V maximum rating\u003c\/strong\u003e broadens compatibility to higher-voltage panels and distribution systems where appropriate.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable molded-case construction\u003c\/strong\u003e offers reliable performance in varied environments, with easier maintenance and replacement in service panels and load centers.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eResidential service panels requiring solid overcurrent protection for multiple branch circuits\u003c\/li\u003e \u003cli\u003eCommercial distribution boards handling multiple feeders and modular sub-panels\u003c\/li\u003e \u003cli\u003eLight industrial panels where dependable protection against short circuits is essential\u003c\/li\u003e \u003cli\u003eUpgrading or replacing existing Siemens MCCBs in OEM-compatible panelboards and load centers\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eKey specifications at a glance\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 HEB3B050B\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker (MCCB)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage Rating:\u003c\/strong\u003e 50A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 3\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\u003eFor electrical professionals seeking reliable protection with straightforward installation, the Siemens HEB3B050B delivers precise protection, durability, and OEM-ready compatibility. It’s a thoughtful upgrade for panelboards and load centers where consistent performance and robust construction matter most.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349798342818,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens_breaker_and_panel_b8f1cbd9-fbff-4482-82a2-ca0c7230ff0a.png?v=1764157110","url":"https:\/\/www.ampstate.com\/products\/siemens-heb3b050b-50a-600v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}