{"product_id":"493b","title":"Master 493B - Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eThe Master 493B Circuit Breaker is engineered to deliver reliable overcurrent protection in the most demanding electrical environments. Designed for panelboards, switchboards, control panels, and OEM equipment, this Master breaker provides dependable protection for distribution networks and motor control centers where safe operation and uptime matter most.\u003c\/p\u003e \u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePrecise overcurrent protection\u003c\/strong\u003e with dependable trip behavior that reacts to overloads and short circuits, helping prevent wiring damage and equipment failures.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSafe, predictable operation\u003c\/strong\u003e designed for continuous industrial use, reducing nuisance trips and ensuring reliable performance across environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile installation\u003c\/strong\u003e suitable for panelboards, switchboards, control panels, and OEM configurations, enabling streamlined integration into existing electrical architectures.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-ready reliability\u003c\/strong\u003e built to withstand industrial duty in distribution panels and motor control centers, supporting long service life and easy maintenance access.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaintenance-friendly design\u003c\/strong\u003e with straightforward replacement and clear labeling to minimize downtime during service windows.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal Use Scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eManufacturing facilities with motor loads and feeders requiring dependable overload protection.\u003c\/li\u003e \u003cli\u003eCommercial buildings with centralized distribution panels and switchgear.\u003c\/li\u003e \u003cli\u003eOEM equipment where a robust, easy-to-integrate circuit breaker is needed.\u003c\/li\u003e \u003cli\u003eMotor control centers (MCCs) that demand reliable interruption during fault conditions.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow It Protects Your System\u003c\/h3\u003e\n\u003cp\u003eWhen current exceeds its rating, the 493B trips to interrupt the circuit, helping prevent insulation damage, conductor overheating, and downstream equipment failure. This protection translates to longer equipment life, reduced downtime, and safer operating conditions for personnel.\u003c\/p\u003e \u003ch3\u003eInstallation \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cp\u003eDesigned to fit standard panel architectures used in industrial and commercial settings, the Master 493B is straightforward to install in panelboards, switchboards, and control panels. Choose the appropriate ampere rating and ensure correct mounting orientation and clear labeling according to your system’s electrical plan. For OEM applications, verify compatibility with your equipment interface and enclosure space to ensure a seamless fit.\u003c\/p\u003e \u003ch3\u003eWhy Choose the Master 493B\u003c\/h3\u003e\n\u003cp\u003eOpting for the Master 493B means investing in a circuit breaker built for real-world reliability in distribution panels and motor control centers. Its design focuses on delivering safe, consistent protection where downtime is costly and protecting valuable electrical assets is essential.\u003c\/p\u003e \u003ch3\u003eSpecifications at a Glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBreaker type:\u003c\/strong\u003e Circuit Breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Panelboards, Switchboards, Control Panels, OEM Equipment\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIdeal for:\u003c\/strong\u003e Industrial, Commercial, and OEM environments requiring dependable overcurrent protection\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProtection scope:\u003c\/strong\u003e Distribution panels and motor control centers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Master","offers":[{"title":"Default","offer_id":46390597025954,"sku":"493B","price":91.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/circuit_breaker_generic_e64ee3ef-42bf-4f46-a640-8afbe6e75d8e.png?v=1765377473","url":"https:\/\/www.ampstate.com\/products\/493b","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}