{"product_id":"3va5340-5ec31-0aa0","title":"3VA5340-5EC31-0AA0 - 400A Class MJAS 3-Pole Circuit Breaker","description":"\u003cp\u003e\u003cstrong\u003e3VA5340-5EC31-0AA0 - 400A Class MJAS 3-Pole Circuit Breaker\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIf you’re running serious power through your system, you don’t have room for guesswork. The Siemens 3VA5340-5EC31-0AA0 is built for exactly that kind of environment—where reliability isn’t optional, and protection needs to respond instantly. This 400-amp, 3-pole circuit breaker from the Siemens 3VA5 series is designed to protect your equipment from overloads and short circuits before they turn into expensive problems. With a 35 kA interrupting rating at 480V AC, it’s ready to handle high fault conditions with confidence. The thermal magnetic trip unit keeps things simple and dependable—fixed overload protection and an adjustable instantaneous trip range mean it does its job without constant tweaking. Whether you’re upgrading an existing panel or specifying components for a new install, this breaker gives you that “install it and trust it” peace of mind.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features and Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e400A Power Handling –\u003c\/strong\u003e Built for high-demand commercial and industrial applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-Pole Protection –\u003c\/strong\u003e Covers all phases for balanced and consistent system safety\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Magnetic Trip Unit (TM230) –\u003c\/strong\u003e Proven, reliable protection against overloads and short circuits\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e35 kA @ 480V AC Interrupting Capacity –\u003c\/strong\u003e Handles high fault currents without hesitation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFixed Overload Setting (Ir = 400A) –\u003c\/strong\u003e No adjustments needed—set for dependable performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Instantaneous Trip (5–10x In) –\u003c\/strong\u003e Fine-tune response to match your system needs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact Frame Design –\u003c\/strong\u003e Saves valuable panel space without compromising capability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt by Siemens –\u003c\/strong\u003e A name trusted across commercial and industrial electrical systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 3VA5340-5EC31-0AA0\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e Siemens 3VA53 (3VA5 family)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 400A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrip Unit:\u003c\/strong\u003e Thermal Magnetic (TM230)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterrupting Rating:\u003c\/strong\u003e 35 kA @ 480V AC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverload Protection (Ir):\u003c\/strong\u003e Fixed at 400A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstantaneous Trip (Ii):\u003c\/strong\u003e Adjustable, 5–10x rated current\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eHeight: 9.8 in\u003c\/li\u003e\n\u003cli\u003eWidth: 6.3 in\u003c\/li\u003e\n\u003cli\u003eDepth: 5.9 in\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLugs:\u003c\/strong\u003e Not included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMaterial Compliance and Certifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThis breaker is UL-listed and meets recognized North American safety standards for low-voltage circuit protection.\u003c\/strong\u003e Siemens manufactures the 3VA5 series using high-quality materials designed for consistent performance, durability, and compliance in demanding electrical environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhere It Works Best\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe Siemens 3VA5340-5EC31-0AA0 is a smart choice for: Commercial electrical distribution systems Industrial facilities and manufacturing plants Panelboards and switchgear upgrades High-load applications where downtime is costly Contractors and engineers who need dependable, no-nonsense protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003cbr\u003e\n\u003cdiv\u003e\n\u003cblockquote\u003e\n\u003cp style=\"font-size: 12px;\"\u003e\u003cem\u003eUse of Original Equipment Manufacturer (OEM) trademarks, names, and logos is for informational and identification purposes only. This does not imply any affiliation, sponsorship, endorsement, or approval by the original equipment manufacturer.\u003cstrong\u003e CIRCUIT BREAKER SUPERSTORE®\u003c\/strong\u003e is an independent reseller and is \u003cstrong\u003enot \u003c\/strong\u003ean authorized distributor, affiliate, or representative of any manufacturer. Manufacturer warranties do \u003cstrong\u003enot\u003c\/strong\u003e apply unless expressly stated. All trademarks and registered trademarks are the property of their respective owners.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 12px;\"\u003e\u003cem\u003eSiemens®, I-T-E®, and Murray® are registered trademarks of Siemens AG. Products sold are surplus, used, or refurbished and are \u003cstrong\u003eNOT \u003c\/strong\u003esupplied by Siemens AG or its affiliates.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"SIEMENS","offers":[{"title":"New","offer_id":51697447567659,"sku":"3VA5340-5EC31-0AA0","price":1850.0,"currency_code":"USD","in_stock":false}],"url":"https:\/\/store.circuitbreakersuperstore.com\/products\/3va5340-5ec31-0aa0","provider":"CIRCUIT BREAKER SUPERSTORE®","version":"1.0","type":"link"}