{"product_id":"siemens-e21b070-circuit-breaker","title":"Siemens | E21B070 | Circuit Breaker | 70A | 1-Pole | 120V","description":"\u003cdiv\u003e\n\u003cp\u003eDependable power protection starts with the right breaker. The Siemens E21B070 is a 70A, 1-pole, 120V circuit breaker designed for maintenance, retrofit, and replacement in compatible Siemens panels. Built to exact spec, this part ensures your 120V circuit stays safely protected against overloads and faults.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage\u003c\/strong\u003e: 70A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles\u003c\/strong\u003e: 1-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage\u003c\/strong\u003e: 120V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number\u003c\/strong\u003e: E21B070\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eCompatibility reminder\u003c\/strong\u003e: Confirm fit and ratings before ordering. The part number is the best reference for compatibility with your panel and upstream devices.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSiemens-specific fit\u003c\/strong\u003e: Precisely designed to slot into panels that accept the E21B070 style, reducing guesswork during retrofits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliability you can rely on\u003c\/strong\u003e: Manufactured to Siemens’ standards for consistent trip performance and long-term durability in residential and light commercial settings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIdeal for 120V circuits\u003c\/strong\u003e: Protects a single hot leg in 120V applications where a 70A rating is appropriate—outlets, lighting runs, or dedicated appliances.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eUse cases and who it’s for\u003c\/strong\u003e: This breaker is well-suited for homeowners and professionals performing panel maintenance, replacements, or retrofits in Siemens-equipped systems. It’s a practical choice when you need a precise, authentic part that matches existing equipment and labeling.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eRetrofits in older Siemens panels that require the E21B070 style\u003c\/li\u003e \u003cli\u003eNew installations or upgrades where a 70A, 1-pole 120V breaker is specified for a specific circuit\u003c\/li\u003e \u003cli\u003eReplacement for a failed breaker while preserving panel compatibility and warranty expectations\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical tips\u003c\/strong\u003e: Before replacement, shut off the main power, verify the panel’s labeling to confirm this exact part number fits, and follow standard electrical safety practices. If you’re unsure about compatibility, double-check the panel model and listing documentation to ensure a seamless, safe upgrade or replacement.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427285225634,"sku":"E21B070","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_ad06fdd7-931c-4a09-bfbe-d05329579cd6.png?v=1765492978","url":"https:\/\/www.ampstate.com\/products\/siemens-e21b070-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}