{"product_id":"siemens-b3100-100a-240v-3-pole-bolt-on-circuit-breaker","title":"Siemens B3100 100 Amp 3 Pole Bolt-On Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSiemens B3100\u003c\/strong\u003e — a \u003cstrong\u003e100A, 240V, 3-pole bolt-on molded case circuit breaker\u003c\/strong\u003e engineered for dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Sold by AmpState, this device is built to stand up to the demands of residential, commercial, and light industrial electrical layouts.\u003c\/p\u003e \u003ch3\u003eKey advantages that set this breaker apart\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e provides a rigid, vibration‑resistant bus connection, helping maintain consistent performance even in environments with movement or vibration.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal‑magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection — the thermal element tracks long‑term overcurrent while the magnetic element delivers an instantaneous response to short‑circuit faults.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3‑pole design\u003c\/strong\u003e protects all three hot legs in 3‑phase systems, making it suitable for a range of modern electrical installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e OEM compatibility\u003c\/strong\u003e designed to pair with matching Siemens OEM panelboards and load centers for a cohesive, trouble‑free upgrade or replacement.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application\u003c\/strong\u003e ideal for residential setups, commercial spaces, and light industrial applications that require reliable, scalable protection on 240V circuits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThe B3100’s combination of a robust bolt‑on mount and a responsive thermal‑magnetic trip mechanism means fewer nuisance trips and quicker fault isolation. With a 100A rating, it’s well-suited for mid‑range branch circuits that must balance protection with capacity, whether you’re powering large appliances, HVAC equipment, or critical office infrastructure.\u003c\/p\u003e \u003ch3\u003ePractical use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUpgrading aging panelboards or load centers to restore reliable protection and simplify future maintenance.\u003c\/li\u003e \u003cli\u003eInstalling or expanding circuits in commercial spaces where 3‑phase distribution is common, while preserving a clean, secure mounting method.\u003c\/li\u003e \u003cli\u003eReplacement in residential or light industrial panels that require a dependable, OEM‑aligned solution to maintain system safety and code compliance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWho should consider the Siemens B3100?\u003c\/strong\u003e Electricians and facilities managers working with Siemens panelboards or OEM load centers who need a durable, plug‑and‑play upgrade or replacement that won’t compromise bus integrity or protection performance. If you’re planning a panel upgrade, service expansion, or a controlled fault‑protection strategy for 240V circuits, this 3‑pole bolt‑on breaker is a practical, long‑term choice.\u003c\/p\u003e \u003cp\u003eTips for optimal use: verify panel compatibility with the B3100 model, follow the panel manufacturer’s torque specifications for bolt‑on mounting, and confirm that total load on the circuit remains within the 100A rating to prevent nuisance trips or overheating.\u003c\/p\u003e \u003cp\u003eIn short, the Siemens B3100 delivers durable protection, precise trip performance, and straightforward installation for reliable 240V circuit safety in a wide range of settings.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349752631458,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-b3100-100-a-240-v-3-pole-bolt-on-circuit-breaker-ampstate-464.webp?v=1788720825","url":"https:\/\/www.ampstate.com\/products\/siemens-b3100-100a-240v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}