{"product_id":"siemens-ed21b030l-30a-120v-1-pole-bolt-on-circuit-breaker","title":"Siemens ED21B030L - 30 A, 120 V, 1-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSiemens ED21B030L\u003c\/strong\u003e is a 30A, 120V, 1-pole bolt-on molded case circuit breaker engineered for dependable branch circuit protection in panelboards and load centers. Built to safeguard wiring and equipment, it delivers reliable protection where it matters most.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBolt-on mounting\u003c\/strong\u003e: securing the breaker with a rigid, vibration-resistant bus connection to maintain a solid electrical interface even in challenging environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e: combines thermal and magnetic elements to provide stable, repeatable protection against overcurrent and short circuits, reducing nuisance trips and enhancing overall safety.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e: designed to integrate smoothly with matching Siemens load centers and panelboards for a cohesive protection system.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application\u003c\/strong\u003e: suited for residential, commercial, and light industrial circuits that require reliable single-pole protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear specifications\u003c\/strong\u003e: 30A rating, 120V, single-pole, bolt-on mounting for straightforward installation in compatible panels.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhat this means for you: a compact, robust solution that protects a single branch circuit from overloads and short circuits while maintaining consistent trip performance over time. The bolt-on design ensures a secure connection to the bus, helping resist loosening due to vibration or temperature changes common in busy electrical spaces.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eIdeal use scenarios\u003c\/strong\u003e include new installations or panelboard upgrades in residential service panels, small commercial spaces, or light industrial applications where a precise 30A, 120V single-pole breaker is needed. Pair this unit with Siemens OEM load centers to preserve coordinated protection and predictable trip behavior across your electrical system.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eTechnical snapshot\u003c\/strong\u003e:\n\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage: 30 A\u003c\/li\u003e \u003cli\u003eVoltage: 120 V\u003c\/li\u003e \u003cli\u003ePoles: 1\u003c\/li\u003e \u003cli\u003eMounting: Bolt-on\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e \u003cli\u003eManufacturer: Siemens\u003c\/li\u003e \u003cli\u003ePart number: ED21B030L\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoosing the Siemens ED21B030L means investing in a proven, purpose-built breaker that aligns with your Siemens panelboard ecosystem, delivers dependable protection, and supports straightforward maintenance and replacement when needed.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349784678562,"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_19b6b98a-42fa-46b3-bc6d-c56aedae9c99.png?v=1764156611","url":"https:\/\/www.ampstate.com\/products\/siemens-ed21b030l-30a-120v-1-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}