{"product_id":"general-electrics-tey3100st12-100a-3-pole-bolt-on-circuit-breaker","title":"General Electrics TEY3100ST12 - 100 A, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe General Electrics TEY3100ST12 is a 100 A, 3-pole bolt-on molded case circuit breaker designed to deliver reliable branch circuit protection in panelboards and load centers. Built for residential, commercial, and light industrial environments, it combines sturdy mechanical design with precise protection to keep electrical systems safe and available.\u003c\/p\u003e \u003ch2\u003eWhy the TEY3100ST12 stands out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e: A rigid connection to the bus minimizes movement and vibration-related interruptions, helping maintain consistent protection over time.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e: Delivers stable, repeatable protection for overcurrent and short-circuit events, helping protect conductors and downstream devices without nuisance trips.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole configuration\u003c\/strong\u003e: Ensures synchronized protection across all phases in 3-phase systems, reducing imbalance and simplifying coordination in multi-wire panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e: Designed to pair with matching General Electrics OEM load centers and panelboards for a clean fit and reliable performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application\u003c\/strong\u003e: Suitable for a range of installations—from new panel builds to upgrades in residential, commercial, and light industrial settings.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eTechnical snapshot\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: General Electrics\u003c\/li\u003e \u003cli\u003ePart Number: TEY3100ST12\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker (MCCB)\u003c\/li\u003e \u003cli\u003eAmperage Rating: 100 A\u003c\/li\u003e \u003cli\u003eNumber of Poles: 3\u003c\/li\u003e \u003cli\u003eMounting Style: Bolt-on\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal use cases and practical considerations\u003c\/h2\u003e\n\u003cp\u003eFor homes with multi-zone electrical loads or small commercial panels distributing power to lighting, outlets, and HVAC, the TEY3100ST12 provides a robust line of defense against fault currents. It’s particularly well-suited for panels that experience mechanical vibration or door-open\/close cycles, where a secure bolt-on connection helps maintain long-term integrity.\u003c\/p\u003e \u003cp\u003eChoosing this breaker means prioritizing alignment with your existing OEM panelboard ecosystem. When replacing or upgrading, verify that your panel supports a 3-pole, 100 A MCCB with a bolt-on mounting style to preserve proper trip characteristics and system coordination across the protection scheme.\u003c\/p\u003e \u003cp\u003eBeyond the breaker itself, consider planning for serviceability: bolt-on designs typically simplify removal and replacement during maintenance, reducing downtime and making future upgrades more straightforward.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349725401250,"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_f8845886-42f5-4b0f-825e-af29a5b9b960.png?v=1764155191","url":"https:\/\/www.ampstate.com\/products\/general-electrics-tey3100st12-100a-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}