{"product_id":"eaton-nd312t33w-1200a-600v-3-pole-bolt-on-circuit-breaker","title":"Eaton ND312T33W - 1200 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003eEaton ND312T33W - 1200A, 600V, 3-Pole Bolt-On Molded Case Circuit Breaker from AmpState \u003cp\u003eDesigned for demanding electrical environments, the Eaton ND312T33W delivers robust branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. With a 1200A rating and 600V capacity, this three-pole bolt-on breaker is built to endure the rigors of residential, commercial, and light industrial applications while delivering dependable protection when it matters most.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey benefits that matter in the field\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e—a rigid, vibration-resistant bus connection that stays put in panels exposed to vibration, temperature swings, and frequent power cycling.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e—provides stable, repeatable protection performance by reacting predictably to both gradual overloads and sudden short-circuit faults.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e OEM-compatible installation\u003c\/strong\u003e—designed to work with matching OEM loadcenters and panelboards for straightforward upgrades, replacements, or new installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design\u003c\/strong\u003e—ideal for three-phase systems common in commercial and light industrial setups, ensuring balanced protection across all phases.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhat problems does it solve?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003ePrevents damage to wiring, devices, and equipment by interrupting fault currents quickly and reliably.\u003c\/li\u003e \u003cli\u003eEliminates unreliable connections that can lead to nuisance trips or arcing, thanks to its secure bolt-on bus interface.\u003c\/li\u003e \u003cli\u003eReduces maintenance uncertainty in panel installations that face vibration, humidity, and temperature fluctuations.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWho should consider this breaker?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eElectrical contractors performing panelboard upgrades or replacements in commercial spaces and light industrial facilities.\u003c\/li\u003e \u003cli\u003eResidential buildings with high-amp, three-phase needs or service panels requiring robust overcurrent protection.\u003c\/li\u003e \u003cli\u003eFacilities seeking a compatible, long-lasting bolt-on solution that aligns with OEM panelboards and loadcenters.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eSpecifications at a glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer\u003c\/strong\u003e: Eaton\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number\u003c\/strong\u003e: ND312T33W\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType\u003c\/strong\u003e: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage rating\u003c\/strong\u003e: 1200A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating\u003c\/strong\u003e: 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of poles\u003c\/strong\u003e: 3 (three-pole)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting style\u003c\/strong\u003e: Bolt-on\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: Branch circuit overcurrent and short-circuit protection in panelboards and loadcenters\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical tips for best results\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eVerify panelboard compatibility with the ND312T33W’s bolt-on mounting and three-pole configuration before installation.\u003c\/li\u003e \u003cli\u003eUse the correct torque on mounting hardware to maintain a secure, vibration-resistant connection and prevent loosening over time.\u003c\/li\u003e \u003cli\u003eCoordinate protection with circuit sizing and conductor ratings to ensure full compliance with local codes and standards.\u003c\/li\u003e \u003cli\u003eLabel protective devices clearly in the panel for easy maintenance and rapid fault isolation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eFor reliable, high-capacity protection in demanding panelboard environments, the Eaton ND312T33W stands out as a purpose-built, three-pole bolt-on solution that aligns with OEM equipment while delivering consistent, dependable performance in residential, commercial, and light industrial applications.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349639352482,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton_breaker_and_panels_2a397900-574e-45a9-8f31-2217e3f98dd2.png?v=1764152233","url":"https:\/\/www.ampstate.com\/products\/eaton-nd312t33w-1200a-600v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}