{"product_id":"siemens-heb1b020-circuit-breaker","title":"Siemens | HEB1B020 | Circuit Breaker | 20A | 1-Pole | 277V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eDesigned for reliability in Siemens panels and retrofit projects, the Siemens HEB1B020 is a 20-amp, 1-pole circuit breaker rated at 277V with a bolt-on mounting. This specific part is built for maintenance, replacement, or upgrades where exact specifications matter, ensuring your electrical system continues to protect circuits accurately and safely.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage\u003c\/strong\u003e: 20A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles\u003c\/strong\u003e: 1-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating\u003c\/strong\u003e: 277V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting\u003c\/strong\u003e: Bolt-On design for secure attachment\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility\u003c\/strong\u003e: Part number HEB1B020 as the definitive reference for fit\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIdeal for\u003c\/strong\u003e: Maintenance, retrofit, and replacement where exact specifications are required\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this matters: when a circuit needs dependable overcurrent protection without modifying your panel, choosing the exact part reference—HEB1B020—ensures you’re getting a breaker that matches the system’s design and electrical characteristics. The 277V rating makes it suitable for certain commercial or specialized environments, while the 1-pole configuration protects a single circuit with a compact footprint.\u003c\/p\u003e \u003ch3\u003eUse cases and scenarios\u003c\/h3\u003e\n\u003cp\u003e- Replacing a worn or tripped breaker in Siemens-compatible panels where the original device is 20A, 1-pole, and 277V. \u003cbr\u003e\n- Performing a Retrofit to upgrade an aging panel to a modern, reliable protection device without changing surrounding hardware. \u003cbr\u003e\n- Conducting routine maintenance that requires installing a breaker with matching amperage, voltage, and mounting style to avoid compatibility issues.\u003c\/p\u003e \u003ch3\u003eInstallation and compatibility tips\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, verify that your panel’s model and bus configuration align with the HEB1B020 specifications. Remember: the part number is the best reference for compatibility. When installing, follow your panel manufacturer’s guidelines and standard electrical safety practices. The bolt-on mounting requires proper fasteners and secure attachment to ensure stable operation and reliable protection.\u003c\/p\u003e \u003cp\u003eIn short, the Siemens HEB1B020 delivers precise, dependable protection for the exact circuit you’re protecting, making it a smart, straightforward choice for professionals handling maintenance, retrofit, or replacement tasks in Siemens-compatible electrical systems.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427270906018,"sku":"HEB1B020","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-heb1b020-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}