{"product_id":"siemens-lgg3b040l-40a-600v-3-pole-circuit-breaker","title":"Siemens LGG3B040L - 40 A, 600 V, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens LGG3B040L is a 40A, 600V 3-pole molded case circuit breaker built to safeguard your panelboards and load centers with precise, dependable protection. Designed for reliable branch circuit overcurrent and short-circuit protection, this unit pairs a compact form with robust performance, ensuring your three-phase systems stay protected without sacrificing space in the panel.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole molded case design\u003c\/strong\u003e: Ideal for 3-phase circuits, providing synchronized, all-pault protection across three hot legs and simplifying wiring layouts in commercial and light industrial installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e: Combines thermal overload protection with magnetic instantaneous trip, delivering stable, repeatable performance that minimizes nuisance trips while quickly clearing faults.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e40A, 600V rating\u003c\/strong\u003e: Suitable for a wide range of branch circuits in buildings, from HVAC feeds and motor loads to lighting and receptacle circuits in commercial spaces.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded-case construction\u003c\/strong\u003e: Maximizes panel space and facilitates easier installation in crowded panels and load centers, helping you fit more protection without expanding the panel footprint.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e: Engineered to pair with Siemens OEM load centers and panelboards, ensuring a proper fit, correct trip characteristics, and straightforward labeling for compliant, reliable installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications\u003c\/strong\u003e: Appropriate for residential, commercial, and light industrial environments where dependable overcurrent and short-circuit protection is critical.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy this matters\u003c\/strong\u003e: In panel installations, choosing the right breaker is about more than amperage. The LGG3B040L’s thermal-magnetic technology provides accurate trip thresholds that adapt to changing loads, reducing false trips on surges while still delivering fast fault clearance. The 3-pole design ensures all three phases are protected together, which is essential for balanced performance on 3-phase equipment such as motors, compressors, and three-phase lighting circuits.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003ePractical use cases\u003c\/strong\u003e:\n\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eProtecting 3-phase motor circuits in small industrial setups or commercial HVAC equipment.\u003c\/li\u003e \u003cli\u003eFeeding critical loads in panelboards that require compact, OEM-compatible protection without oversized breakers.\u003c\/li\u003e \u003cli\u003eUpgrading or maintaining Siemens-based panels where matched trip characteristics and labeling streamline compliance and maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith the Siemens LGG3B040L, you get a purpose-built solution that aligns with your panel’s design, delivers predictable protection for demanding environments, and helps keep systems running smoothly. The result is safer equipment, fewer unexpected trips, and a more efficient, organized electrical distribution system.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349822918818,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens_breaker_and_panel_43041f6e-f4e0-4bf3-9567-f74a10ff46fb.png?v=1764157764","url":"https:\/\/www.ampstate.com\/products\/siemens-lgg3b040l-40a-600v-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}