{"product_id":"square-d-ejb16020-20a-347v-1-pole-bolt-on-circuit-breaker","title":"Square D EJB16020 - 20 A, 347 V, 1-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D EJB16020 is a 20A, 347V, 1-pole bolt-on molded case circuit breaker engineered for dependable branch-circuit overcurrent and short-circuit protection in panelboards and load centers. Built to withstand the rigors of real-world electrical environments, this unit combines secure mounting with precise thermal-magnetic protection to keep critical circuits safe and operating smoothly.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBolt-on mounting\u003c\/strong\u003e delivers a rigid, vibration-resistant bus connection for reliable performance even in panels subject to movement or dynamic loads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection by quickly clearing faults while minimizing nuisance trips during normal inrush conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e1-pole, 20A at 347V\u003c\/strong\u003e configuration is ideal for protecting individual branch circuits in commercial or residential settings that use 347V distribution.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible design\u003c\/strong\u003e ensures seamless integration with matching Square D load centers and panelboards for straightforward replacement and upgrade paths.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications\u003c\/strong\u003e—suited for residential, commercial, and light industrial environments where reliable, space-efficient protection is a priority.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this breaker fits your panel and electrical needs\u003c\/h3\u003e\n\u003cp\u003eChoosing the Square D EJB16020 means opting for a breaker that prioritizes solid electrical contact, precise protection, and compatibility with established Square D panel ecosystems. The bolt-on style secures a robust connection to the bus bars, reducing contact resistance and the potential for arcing in vibration-prone installations. The thermal-magnetic trip unit responds to both gradual overloads and sudden short-circuit events, helping to protect wiring insulation and connected equipment.\u003c\/p\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Square D\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e EJB16020\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 20A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 347V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 1\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 \u003ch3\u003ePractical use cases and installation notes\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eIdeal for protecting individual branch circuits in commercial lighting panels and service panels that operate at 347V distributions.\u003c\/li\u003e \u003cli\u003ePerfect for upgrading or replacing worn breakers in OEM-aligned panelboards where a secure bolt-on connection is required.\u003c\/li\u003e \u003cli\u003eSimple to inspect and test—verify trip functionality periodically to ensure ongoing reliability as part of routine panel maintenance.\u003c\/li\u003e \u003cli\u003eWhen wiring, follow all local electrical codes and manufacturer guidelines to maintain safety and performance standards.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith the Square D EJB16020, you gain a dependable, location-appropriate protection solution that seamlessly integrates into your existing Square D infrastructure while delivering targeted branch-circuit safety for homes, businesses, and light industrial setups.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355207291042,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-ejb16020-20-a-347-v-1-pole-bolt-on-circuit-breaker-788.webp?v=1788741297","url":"https:\/\/www.ampstate.com\/products\/square-d-ejb16020-20a-347v-1-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}