{"product_id":"allen-bradley-140mg-g8p-c30-30a-3-pole-bolt-on-circuit-breaker","title":"Allen-Bradley 140MG-G8P-C30 - 30 A, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Allen-Bradley 140MG-G8P-C30, a 30A, 3-pole bolt-on molded case circuit breaker designed to shield panelboards and load centers from overcurrent and short circuits. Built for environments where vibration is a factor, this unit features a secure bolt-on mounting that delivers a rigid, dependable bus connection, minimizing loosening and contact issues over time.\u003c\/p\u003e \u003cp\u003eIts thermal-magnetic trip unit delivers stable, repeatable protection: the thermal element handles sustained overloads with precision, while the magnetic element activates quickly on short circuits, reducing damage risk to downstream wiring and equipment.\u003c\/p\u003e \u003cp\u003eKey benefits include:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eSecure bolt-on mounting for a solid, vibration-resilient connection to the bus\u003c\/li\u003e \u003cli\u003eBalanced protection via a thermal-magnetic trip mechanism that adapts to load conditions\u003c\/li\u003e \u003cli\u003eSeamless compatibility with matching OEM load centers and panelboards\u003c\/li\u003e \u003cli\u003eIdeal for residential, commercial, and light industrial applications requiring reliable three-pole protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eProduct overview and specs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Allen-Bradley\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart number:\u003c\/strong\u003e 140MG-G8P-C30\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAmperage rating:\u003c\/strong\u003e 30 A\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMounting style:\u003c\/strong\u003e Bolt-on\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e Branch circuit overcurrent and short-circuit protection in panelboards and load centers\u003c\/p\u003e \u003ch3\u003eWho this is for\u003c\/h3\u003e\n\u003cp\u003eDesigned for electrical installers, facilities managers, and maintenance teams seeking durable, code-compliant protection in three-phase distribution systems. This breaker is especially well-suited for panel installations in homes with complex electrical layouts or light commercial environments where reliability and vibration resistance matter.\u003c\/p\u003e \u003ch3\u003eWhy it stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eThree-pole configuration provides balanced protection across three phases, helping prevent unbalanced loads\u003c\/li\u003e \u003cli\u003eBolt-on mounting minimizes movement and arc-related concerns in environments with vibration or motion\u003c\/li\u003e \u003cli\u003eThermal-magnetic trip offers predictable, fast response to faults, stabilizing system behavior during fault events\u003c\/li\u003e \u003cli\u003eDesigned to integrate smoothly with OEM load centers, making stocking, maintenance, and replacements straightforward for Allen-Bradley customers\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical tips: When replacing or upgrading, confirm panelboard compatibility for bolt-on breakers and ensure OEM alignment. Use proper mounting hardware and torque per panel specifications to maintain bus integrity and trip reliability, ensuring long-term protection for your electrical system.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349481509026,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/allen_bradley_breaker_and_panel_27869adc-6717-454a-b826-36c062012efd.png?v=1764147869","url":"https:\/\/www.ampstate.com\/products\/allen-bradley-140mg-g8p-c30-30a-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}