{"product_id":"westinghouse-hma3700t-molded-case-circuit-breaker-trip-unit","title":"Westinghouse HMA3700T Molded Case Circuit Breaker Trip Unit","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=\"624\"\u003eThe Westinghouse HMA3700T \u003ca href=\"https:\/\/plgautomation.com\/collections\/power-supplies-protection\" title=\"Trip Unit\"\u003eTrip Unit\u003c\/a\u003e is used in industrial molded case circuit breakers to provide overcurrent and short-circuit protection for high-current electrical distribution systems. Commonly installed in motor control centers, switchboards, power distribution panels, and industrial facilities utilizing Westinghouse MA, HMA, and MAY frame circuit breakers. Maintenance teams, OEMs, and system integrators use this trip unit for repair, retrofit, equipment upgrades, or replacement to maintain dependable circuit protection and safe electrical system operation. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5ms9th\" data-start=\"626\" data-end=\"643\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"645\" data-end=\"1003\"\u003eThe Westinghouse HMA3700T Trip Unit is used in industrial molded case circuit breakers. It is commonly installed in motor control centers, switchgear assemblies, industrial power distribution systems, manufacturing facilities, and commercial electrical installations using 600 A to 800 A MA, HMA, and MAY breaker frames. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5hg6bl\" data-start=\"1005\" data-end=\"1034\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"1036\" data-end=\"1625\"\u003e• Manufacturer Part Number (MPN): HMA3700T\u003cbr data-start=\"1078\" data-end=\"1081\"\u003e• Product Type: Trip Unit\u003cbr data-start=\"1106\" data-end=\"1109\"\u003e• Brand: Westinghouse\u003cbr data-start=\"1130\" data-end=\"1133\"\u003e• Manufacturer: Westinghouse Electric Corporation\u003cbr data-start=\"1182\" data-end=\"1185\"\u003e• Secondary Part Number: 371D373G26\u003cbr data-start=\"1220\" data-end=\"1223\"\u003e• Series: HMA, MARK 75\u003cbr data-start=\"1245\" data-end=\"1248\"\u003e• Current Rating: 700 A\u003cbr data-start=\"1271\" data-end=\"1274\"\u003e• Number of Poles: 3\u003cbr data-start=\"1294\" data-end=\"1297\" data-is-only-node=\"\"\u003e• Rated Voltage: 600 VAC\u003cbr data-start=\"1321\" data-end=\"1324\"\u003e• Protection Type: Thermal Magnetic\u003cbr data-start=\"1359\" data-end=\"1362\"\u003e• Trip Functions: Long Time, Instantaneous (LI)\u003cbr data-start=\"1409\" data-end=\"1412\"\u003e• Compatible Frame Types: MA, HMA, MAY\u003cbr data-start=\"1450\" data-end=\"1453\"\u003e• Compatible Breaker Rating: 600 A to 800 A\u003cbr data-start=\"1496\" data-end=\"1499\"\u003e• Mounting Type: Interchangeable Trip Unit\u003cbr data-start=\"1541\" data-end=\"1544\"\u003e• Application: Molded Case Circuit Breakers \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1cz0398\" data-start=\"1627\" data-end=\"1651\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"1653\" data-end=\"1791\"\u003e• Westinghouse \u003ca href=\"https:\/\/plgautomation.com\/products\/westinghouse-hma3600t-special-600-amp-ma-hma-50-trip-unit-457d457g24?_pos=1\u0026amp;_sid=1cd4823a5\u0026amp;_ss=r\" title=\"HMA3600T\"\u003eHMA3600T\u003c\/a\u003e Trip Unit\u003cbr data-start=\"1686\" data-end=\"1689\"\u003e• Westinghouse HMA3800T Trip Unit\u003cbr data-start=\"1722\" data-end=\"1725\"\u003e• Eaton HMA3700T-R Trip Unit\u003c\/p\u003e","brand":"PLG Automation ","offers":[{"title":"Used Surplus - Excellent Condition","offer_id":51726859469102,"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_d0b755f2-dc9e-423f-8bef-6f496d96c408.jpg?v=1770580813","url":"https:\/\/plgautomation.com\/products\/westinghouse-hma3700t-molded-case-circuit-breaker-trip-unit","provider":"PLG Automation ","version":"1.0","type":"link"}