{"product_id":"ge-tey390st12-90-amp-3-pole-thermal-magnetic-circuit-breaker-bolt-on-480y-277v-ac","title":"GE TEY390ST12 90 Amp 3 Pole Thermal Magnetic Circuit Breaker – Bolt-On – 480Y\/277V AC","description":"\u003cp data-start=\"112\" data-end=\"848\"\u003eThe GE TEY390ST12 90 Amp three-pole molded case circuit breaker is designed for reliable commercial and industrial power distribution applications. Part of the GE Q-Line TEY series, it features a compact one-inch-per-pole construction with a bolt-on mounting system for secure installation in compatible panelboards. This breaker includes a factory-installed 120–277VAC shunt trip, allowing remote tripping for enhanced safety and control in electrical systems. It uses thermal-magnetic LI (Long-Time and Instantaneous) protection to safeguard circuits against overload and short-circuit conditions. Quick-make\/quick-break operation, a common trip mechanism, and visible trip indication provide improved safety and fault identification.\u003c\/p\u003e\n\u003ch3 data-section-id=\"yc43s8\" data-start=\"855\" data-end=\"877\"\u003eVoltage and Rating\u003c\/h3\u003e\n\u003cul data-start=\"878\" data-end=\"1079\"\u003e\n\u003cli data-section-id=\"1tafimy\" data-start=\"878\" data-end=\"905\"\u003eCurrent Rating: 90 Amps\u003c\/li\u003e\n\u003cli data-section-id=\"1eahfl4\" data-start=\"906\" data-end=\"956\"\u003eVoltage Rating: 480Y\/277VAC (grounded systems)\u003c\/li\u003e\n\u003cli data-section-id=\"1gofju0\" data-start=\"957\" data-end=\"980\"\u003eFrequency: 50\/60 Hz\u003c\/li\u003e\n\u003cli data-section-id=\"lxsc3m\" data-start=\"981\" data-end=\"1060\"\u003eInterrupting Capacity: \u003cem data-start=\"1006\" data-end=\"1058\"\u003e(TEY standard typically up to 14 kA @ 480V system)\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"179harl\" data-start=\"1061\" data-end=\"1079\"\u003ePhase: 3 Phase\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"uvdx3z\" data-start=\"1086\" data-end=\"1108\"\u003eKey Specifications\u003c\/h3\u003e\n\u003cul data-start=\"1109\" data-end=\"1590\"\u003e\n\u003cli data-section-id=\"c6w748\" data-start=\"1109\" data-end=\"1161\"\u003eBreaker Type: Molded Case Circuit Breaker (MCCB)\u003c\/li\u003e\n\u003cli data-section-id=\"137pbbb\" data-start=\"1162\" data-end=\"1211\"\u003eTrip Function: LI (Long-Time \u0026amp; Instantaneous)\u003c\/li\u003e\n\u003cli data-section-id=\"g2iaqk\" data-start=\"1212\" data-end=\"1249\"\u003eProtection Type: Thermal Magnetic\u003c\/li\u003e\n\u003cli data-section-id=\"mwlhud\" data-start=\"1250\" data-end=\"1277\"\u003eNumber of Poles: 3-Pole\u003c\/li\u003e\n\u003cli data-section-id=\"1r8s1ht\" data-start=\"1278\" data-end=\"1303\"\u003eSeries: GE Q-Line TEY\u003c\/li\u003e\n\u003cli data-section-id=\"psyc29\" data-start=\"1304\" data-end=\"1331\"\u003eMounting Style: Bolt-On\u003c\/li\u003e\n\u003cli data-section-id=\"tj7ycd\" data-start=\"1332\" data-end=\"1393\"\u003eApplication: Commercial and industrial power distribution\u003c\/li\u003e\n\u003cli data-section-id=\"13fv1c6\" data-start=\"1394\" data-end=\"1438\"\u003eShunt Trip: Factory-installed 120–277VAC\u003c\/li\u003e\n\u003cli data-section-id=\"6waat3\" data-start=\"1439\" data-end=\"1525\"\u003eConstruction Features: Quick-Make\/Quick-Break, Common Trip, Visual Trip Indication\u003c\/li\u003e\n\u003cli data-section-id=\"s7w18w\" data-start=\"1526\" data-end=\"1590\"\u003eAccessories Available: Auxiliary contact, shunt trip options\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"nucr17\" data-start=\"1597\" data-end=\"1625\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul data-start=\"1626\" data-end=\"1882\"\u003e\n\u003cli data-section-id=\"d03oie\" data-start=\"1626\" data-end=\"1683\"\u003eWire Connection Type: Lug-lug \/ bolt-on mounting base\u003c\/li\u003e\n\u003cli data-section-id=\"2puffi\" data-start=\"1684\" data-end=\"1721\"\u003eTrip Technology: Thermal Magnetic\u003c\/li\u003e\n\u003cli data-section-id=\"qzxzwf\" data-start=\"1722\" data-end=\"1781\"\u003eTrip Adjustability: Fixed thermal and magnetic settings\u003c\/li\u003e\n\u003cli data-section-id=\"1v7q0dq\" data-start=\"1782\" data-end=\"1810\"\u003eTemperature Rating: 40°C\u003c\/li\u003e\n\u003cli data-section-id=\"1l0grk8\" data-start=\"1811\" data-end=\"1882\"\u003eStandards\/Approvals: UL 489, CSA C22.2 No. 5 (TEY series compliant)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1aljov1\" data-start=\"1889\" data-end=\"1905\"\u003eProduct Data\u003c\/h3\u003e\n\u003cul data-start=\"1906\" data-end=\"2029\"\u003e\n\u003cli data-section-id=\"1k2hqxf\" data-start=\"1906\" data-end=\"1945\"\u003eManufacturer: General Electric (GE)\u003c\/li\u003e\n\u003cli data-section-id=\"1nfc3v8\" data-start=\"1946\" data-end=\"1976\"\u003eCatalog Number: TEY390ST12\u003c\/li\u003e\n\u003cli data-section-id=\"1twcibg\" data-start=\"1977\" data-end=\"1998\"\u003eUPC: 783164196696\u003c\/li\u003e\n\u003cli data-section-id=\"8xl4n5\" data-start=\"1999\" data-end=\"2014\"\u003eSeries: TEY\u003c\/li\u003e\n\u003cli data-section-id=\"553dxh\" data-start=\"2015\" data-end=\"2029\"\u003eType: MCCB\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GE","offers":[{"title":"NEW","offer_id":48436533887225,"sku":"TEY390ST12","price":893.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/7810\/7385\/files\/TEY3100ST12-3-Pole-Circuit-Breaker_General-Electric_1_5adc0017-548f-427f-a1ce-a401bd2ceccc.webp?v=1779559557","url":"https:\/\/mycircuitbreakers.com\/products\/ge-tey390st12-90-amp-3-pole-thermal-magnetic-circuit-breaker-bolt-on-480y-277v-ac","provider":"My Circuit Breakers","version":"1.0","type":"link"}