{"product_id":"ge-tey330st12-30a-480v-3-pole-bolt-on-circuit-breaker","title":"GE TEY330ST12 - 30 A, 480 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eEngineered for reliability in commercial and light industrial environments, the GE TEY330ST12 is a 30‑amp, 480‑volt, 3‑pole bolt‑on molded‑case circuit breaker that protects branch circuits from overload and short circuits. Its robust design and precise trip technology make it a dependable choice for panelboards and loadcenters where uptime matters.\u003c\/p\u003e \u003ch2\u003eWhy this breaker stands out\u003c\/h2\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSecure bolt‑on mounting\u003c\/b\u003e: A rigid bus connection that resists vibration and maintains consistent electrical contact in demanding installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eThermal‑magnetic trip unit\u003c\/b\u003e: Combines overcurrent (thermal) and short‑circuit (magnetic) protection for stable, repeatable performance across temperature changes and load conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eThree‑pole, 480V operation\u003c\/b\u003e: Designed specifically for three‑phase systems, delivering balanced protection across all conductors in 480V networks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOEM‑compatible\u003c\/b\u003e: Engineered to pair with matching GE OEM load centers and panelboards for straightforward, reliable installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVersatile for various sectors\u003c\/b\u003e: Ideal for residential, commercial, and light industrial applications where dependable main or branch circuit protection is needed.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eTechnical specifications\u003c\/h2\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eManufacturer\u003c\/b\u003e: GE\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePart number\u003c\/b\u003e: TEY330ST12\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eType\u003c\/b\u003e: Thermal‑magnetic molded case circuit breaker\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAmperage rating\u003c\/b\u003e: 30 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVoltage rating\u003c\/b\u003e: 480 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eNumber of poles\u003c\/b\u003e: 3\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMounting style\u003c\/b\u003e: Bolt‑on\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eApplication\u003c\/b\u003e: Branch circuit overcurrent and short‑circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eUse cases and scenarios\u003c\/h2\u003e \u003cp\u003eInstall the TEY330ST12 in electrical panels that feed 3‑phase equipment and motors operating at 480 V. It’s well suited for factory floor motor feeds, HVAC equipment, data centers’ power distribution, and service panels in mid‑sized facilities. When you need predictable tripping behavior under varied loads and temperatures, this breaker’s thermal‑magnetic design delivers consistent performance, reducing nuisance trips and protecting expensive equipment.\u003c\/p\u003e \u003ch2\u003eInstallation and compatibility tips\u003c\/h2\u003e \u003cul\u003e\n\u003cli\u003eVerify panelboard compatibility with GE TEY series breakers to ensure a clean shelter and bus connection.\u003c\/li\u003e\n\u003cli\u003eUse the correct bolt‑on mounting hardware and torque specifications to maximize vibration resistance and electrical contact.\u003c\/li\u003e\n\u003cli\u003eCoordinate with upstream protection and load calculations to ensure the 30 A rating aligns with circuit wiring and device protection strategy.\u003c\/li\u003e\n\u003cli\u003eKeep spare TEY330ST12 units on hand for quick replacements to minimize downtime in critical systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349697319074,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/general_electric_breaker_and_panel_f98f228e-0695-4401-86d0-a79ff50a7df5.png?v=1764154194","url":"https:\/\/www.ampstate.com\/products\/ge-tey330st12-30a-480v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}