{"product_id":"siemens-heb3b020b-20a-600v-3-pole-bolt-on-circuit-breaker","title":"Siemens HEB3B020B - 20 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSiemens HEB3B020B\u003c\/strong\u003e is a 3-pole, 20A, 600V bolt-on molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. Built for reliability in demanding environments, its secure bolt-on mounting creates a rigid, vibration-resistant bus connection that helps minimize connection issues and downtime.\u003c\/p\u003e \u003cp\u003eAt the heart of this breaker is a \u003cstrong\u003ethermal-magnetic trip unit\u003c\/strong\u003e—providing stable, repeatable protection across a range of loads and ambient conditions. The thermal element handles overloads with precision, while the magnetic element responds quickly to short circuits, helping safeguard both equipment and personnel.\u003c\/p\u003e \u003cp\u003eThe HEB3B020B is \u003cstrong\u003ecompatible with matching OEM load centers and panelboards\u003c\/strong\u003e, ensuring a seamless fit in Siemens-specified assemblies. This makes it an ideal choice for panel replacements, expansions, or new installations where a robust three-pole 20A solution is required.\u003c\/p\u003e \u003ch3\u003eKey specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAmperage Rating: \u003cstrong\u003e20A\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eVoltage Rating: \u003cstrong\u003e600V\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eNumber of Poles: \u003cstrong\u003e3\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eMounting Style: \u003cstrong\u003eBolt-on\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eType: \u003cstrong\u003eThermal-magnetic molded case circuit breaker\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eManufacturer: \u003cstrong siemens\u003e\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003ePart Number: \u003cstrong\u003eHEB3B020B\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eApplication: \u003cstrong\u003eBranch circuit overcurrent and short-circuit protection\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e delivers a rigid, vibration-resistant connection to the bus, reducing loosening and maintaining consistent performance even in panels subject to vibration.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic protection\u003c\/strong\u003e delivers dependable responses to overloads and short circuits, helping prevent nuisance trips and equipment damage.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e ensures straightforward installation within Siemens panelboards and load centers, minimizing compatibility concerns during upgrades or retrofits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole, 600V rating\u003c\/strong\u003e makes it suitable for three-phase systems found in light commercial and some industrial applications, expanding versatility beyond typical residential needs.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWho should consider the Siemens HEB3B020B?\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eTechnicians performing panel upgrades or replacements in Siemens-equipment environments\u003c\/li\u003e \u003cli\u003eElectrical contractors designing or expanding panelboards and load centers for small to mid-size commercial projects\u003c\/li\u003e \u003cli\u003eFacilities managers seeking reliable, long-term protection for 3-phase circuits in light industrial settings\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eUse cases and practical applications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUpgrading a worn or incompatible breaker in a Siemens panelboard to restore full 3-pole overcurrent protection\u003c\/li\u003e \u003cli\u003eAdding 3-phase protection for equipment circuits in commercial spaces that require 20A, 600V limits\u003c\/li\u003e \u003cli\u003eIntegrating with OEM load centers for consistent performance and easier maintenance across the electrical system\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith the \u003cstrong\u003eSiemens HEB3B020B\u003c\/strong\u003e, you’re choosing a purpose-built solution that aligns with Siemens’ design philosophy: precise protection, dependable operation, and straightforward integration into existing panel ecosystems. Ideal for professionals who demand clarity, reliability, and long-term value in their circuit protection strategy.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349798211746,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-heb3b020b-20-a-600-v-3-pole-bolt-on-circuit-breaker-440.webp?v=1788729343","url":"https:\/\/www.ampstate.com\/products\/siemens-heb3b020b-20a-600v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}