{"product_id":"thomas-betts-gfb250-miniature-circuit-breakers-mcbs-nsb","title":"Thomas \u0026 Betts GFB250 Miniature Circuit Breakers (MCBs) Nsb","description":"\u003ch3 data-section-id=\"17lc1ru\" data-start=\"0\" data-end=\"16\" class=\"PDq2pG_selectionAnchorContainer\"\u003eDescription:\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp data-start=\"18\" data-end=\"673\"\u003eThe Thomas \u0026amp; Betts GFB250 Miniature Circuit Breaker (MCB) is used to provide reliable overload and short-circuit protection for low-voltage electrical distribution systems in commercial and industrial applications. Commonly installed in panelboards, load centers, branch circuits, lighting systems, HVAC equipment, and OEM electrical control panels requiring dependable circuit protection. Maintenance electricians, facility managers, OEM manufacturers, and \u003ca href=\"https:\/\/plgautomation.com\/collections\/hmi-operator-interfaces\"\u003esystem integrators\u003c\/a\u003e use this circuit breaker for new installations, preventive maintenance, equipment upgrades, and replacement of existing GFB Series breakers. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5ms9th\" data-start=\"675\" data-end=\"692\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"694\" data-end=\"1215\"\u003eThe Thomas \u0026amp; Betts GFB250 is designed to protect single-phase branch circuits from overload and fault conditions while providing a convenient means of manual circuit isolation. Its plug-in design allows quick installation into compatible load centers and panelboards, making it suitable for commercial buildings, industrial facilities, machine control panels, lighting circuits, HVAC systems, and general-purpose electrical distribution where thermal-magnetic protection is required. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5hg6bl\" data-start=\"1217\" data-end=\"1246\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"1248\" data-end=\"1997\"\u003e• Brand: Thomas \u0026amp; Betts (ABB)\u003cbr data-start=\"1277\" data-end=\"1280\"\u003e• Part Number: GFB250\u003cbr data-start=\"1301\" data-end=\"1304\"\u003e• Product Type: Miniature Circuit Breaker (MCB) \/ Molded Case Circuit Breaker\u003cbr data-start=\"1381\" data-end=\"1384\"\u003e• Series: GFB Series\u003cbr data-start=\"1404\" data-end=\"1407\"\u003e• Number of Poles: 2\u003cbr data-start=\"1427\" data-end=\"1430\"\u003e• Current Rating: 50 A\u003cbr data-start=\"1452\" data-end=\"1455\"\u003e• Voltage Rating: 120\/240 VAC\u003cbr data-start=\"1484\" data-end=\"1487\"\u003e• Phase: Single Phase\u003cbr data-start=\"1508\" data-end=\"1511\"\u003e• Interrupting Capacity (AIC): 10 kA @ 240 VAC\u003cbr data-start=\"1557\" data-end=\"1560\"\u003e• Trip Unit: Thermal-Magnetic\u003cbr data-start=\"1589\" data-end=\"1592\"\u003e• Trip Functions: Long-Time and Instantaneous (LI)\u003cbr data-start=\"1642\" data-end=\"1645\"\u003e• Mounting Type: Plug-In\u003cbr data-start=\"1669\" data-end=\"1672\"\u003e• Connection Type: Plug-In Bus Connection\u003cbr data-start=\"1713\" data-end=\"1716\"\u003e• Operating Temperature Calibration: 40°C\u003cbr data-start=\"1757\" data-end=\"1760\"\u003e• Typical Applications: Panelboards, Load Centers, Branch Circuit Protection, HVAC Equipment, Industrial Control Panels, Commercial Electrical Distribution\u003cbr data-start=\"1915\" data-end=\"1918\"\u003e• Product Status: Discontinued \/ Obsolete \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1cz0398\" data-start=\"1999\" data-end=\"2023\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"2025\" data-end=\"2138\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e• Thomas \u0026amp; Betts GFB230\u003cbr data-start=\"2048\" data-end=\"2051\"\u003e• Thomas \u0026amp; Betts GFB260\u003cbr data-start=\"2074\" data-end=\"2077\"\u003e• Thomas \u0026amp; Betts GFB270\u003c\/p\u003e","brand":"Thomas","offers":[{"title":"New","offer_id":51713997996334,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_bdd0e51a-fa0b-42fd-88fe-eca96441a912.jpg?v=1770413337","url":"https:\/\/plgautomation.com\/products\/thomas-betts-gfb250-miniature-circuit-breakers-mcbs-nsb","provider":"PLG Automation ","version":"1.0","type":"link"}