{"product_id":"square-d-pbpfa4a100a020-circuit-breaker","title":"Square D | PBPFA4A100A020 | Circuit Breaker | 4A | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eSquare D PBPFA4A100A020 is a purpose-built circuit breaker designed for maintenance, retrofit, and replacement projects where exact compatibility matters. With a 4A rating and a 600V maximum, this device provides reliable overcurrent protection in demanding electrical environments while aligning perfectly with existing Square D panels and components.\u003c\/p\u003e \u003ch3\u003eWhy this model stands out\u003c\/h3\u003e\n\u003cp\u003eChoosing the exact part number—PBPFA4A100A020—delivers a level of certainty that generic substitutes can’t match. This breaker is engineered to fit Square D installations where precise amperage, voltage, and form factor are non-negotiable, reducing installation guesswork and the risk of incompatibility. By prioritizing the correct reference, you minimize downtime and ensure your protective device behaves as intended in critical moments.\u003c\/p\u003e \u003ch3\u003eKey specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 4A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e PBPFA4A100A020\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cp\u003eThis breaker is well-suited for:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMaintenance tasks in existing Square D installations where the 4A, 600V profile matches the system protection requirements\u003c\/li\u003e \u003cli\u003eRetrofits that require an exact part reference to maintain panel integrity and electrical safety\u003c\/li\u003e \u003cli\u003eReplacement of aging or failed protection devices in compatible Square D enclosures\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow it helps you solve real-world problems\u003c\/h3\u003e\n\u003cp\u003eWhen you need a reliable, drop-in compatible solution, the PBPFA4A100A020 minimizes compatibility uncertainties. It supports steady protection in circuits that operate within a 600V framework, ensuring continuity of service and reducing the need for panel reconfiguration. The exact part number reference is your best safeguard against mismatches, especially in environments where standardized protection is critical.\u003c\/p\u003e \u003ch3\u003ePractical tips for installation and upkeep\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAlways verify fit and ratings against your panel labeling and system requirements before purchasing or installing.\u003c\/li\u003e \u003cli\u003eUse the exact part number PBPFA4A100A020 as the reference for compatibility checks and ordering.\u003c\/li\u003e \u003cli\u003eFor service or retrofit projects, power down the equipment and follow proper lockout\/tagout procedures, or consult a licensed electrician.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426300940450,"sku":"PBPFA4A100A020","price":27334.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/square-d-pbpfa4a100a020-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}