{"product_id":"heg3b015-circuit-breaker-600v-15a-3p-65ka480v-bolt-on-vl-series","title":"Siemens HEG3B015 Circuit Breaker | 15A 3-Pole 600V 65kA@480V Bolt-On | VL Series MCCB","description":"\u003ch2\u003eSiemens HEG3B015 — 15A 3-Pole Molded Case Circuit Breaker\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eSiemens HEG3B015\u003c\/strong\u003e is a high-interrupting capacity, thermal magnetic molded case circuit breaker (MCCB) engineered for demanding industrial and commercial power distribution applications. With a \u003cstrong\u003e15-amp continuous rating\u003c\/strong\u003e, \u003cstrong\u003e3-pole configuration\u003c\/strong\u003e, and a maximum voltage of \u003cstrong\u003e600V AC\u003c\/strong\u003e, this breaker delivers reliable overcurrent and short-circuit protection for critical electrical systems.\u003c\/p\u003e\n\n\u003cp\u003eFeaturing a \u003cstrong\u003e65kA interrupting rating at 480V\u003c\/strong\u003e, the HEG3B015 is built to handle high fault-current environments — making it an ideal choice for industrial panels, switchboards, and motor control centers where performance and safety are non-negotiable.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCurrent Rating:\u003c\/strong\u003e 15 Amps (continuous)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 600V AC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInterrupting Capacity:\u003c\/strong\u003e 65kAIC @ 480V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTrip Type:\u003c\/strong\u003e Thermal Magnetic (Long Time \u0026amp; Instantaneous)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnection Type:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e VL (High Interrupting Capacity)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Siemens\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e HEG3B015\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose the Siemens HEG3B015?\u003c\/h2\u003e\n\n\u003cp\u003eThe HEG3B015 belongs to Siemens' \u003cstrong\u003eVL Series\u003c\/strong\u003e of molded case circuit breakers — designed for high interrupting duty in commercial and light industrial applications. The thermal magnetic trip mechanism provides dual-layer protection:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLong-time delay\u003c\/strong\u003e for overload protection (bimetallic thermal element)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstantaneous trip\u003c\/strong\u003e for short-circuit protection (magnetic element)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe \u003cstrong\u003ebolt-on mounting\u003c\/strong\u003e ensures a secure, vibration-resistant connection to bus bars in load centers and panelboards — reducing the risk of loose connections over time.\u003c\/p\u003e\n\n\u003ch2\u003eTypical Applications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eIndustrial control panels and switchboards\u003c\/li\u003e\n  \u003cli\u003eCommercial electrical distribution systems\u003c\/li\u003e\n  \u003cli\u003eMotor branch circuit protection\u003c\/li\u003e\n  \u003cli\u003eFeeder and branch circuit protection up to 600V\u003c\/li\u003e\n  \u003cli\u003eRetrofit and replacement in existing Siemens VL Series installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHEG3B015\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAmpere Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNumber of Poles\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage Rating (Max)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e600V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInterrupting Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e65kAIC @ 480V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTrip Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThermal Magnetic\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTrip Functions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLong Time, Instantaneous\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting \/ Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBolt-On\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVL (High Interrupting)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSiemens\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHEG3B015-N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat does the HEG3B015 protect against?\u003c\/strong\u003e\u003cbr\u003e\nThe HEG3B015 protects electrical circuits against both overloads (via thermal trip) and short circuits (via instantaneous magnetic trip), preventing equipment damage and reducing fire risk.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs the HEG3B015 compatible with Siemens panelboards?\u003c\/strong\u003e\u003cbr\u003e\nYes. The HEG3B015 is a bolt-on type MCCB designed to work with Siemens VL Series compatible panelboards and switchboards. Always verify compatibility with your specific panel before installation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between HEG3B015 and HEG3B015B?\u003c\/strong\u003e\u003cbr\u003e\nThe HEG3B015B is the lug-in-box variant of the same breaker, which includes additional terminal lugs for direct conductor connections. The HEG3B015 uses the standard bolt-on bus configuration.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan this breaker be used in a 480V system?\u003c\/strong\u003e\u003cbr\u003e\nYes. The HEG3B015 is rated for up to 600V AC and carries a 65kA interrupting rating specifically at 480V, making it suitable for 480V three-phase distribution systems.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat condition is this unit in?\u003c\/strong\u003e\u003cbr\u003e\nThis unit is sold as \u003cstrong\u003eNew (SKU: HEG3B015-N)\u003c\/strong\u003e.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"New","offer_id":48396206735608,"sku":"HEG3B015-N","price":396.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/1209\/3176\/files\/Photoroom_20260210_230721.jpg?v=1778795157","url":"https:\/\/alphabreakersandcontrols.com\/products\/heg3b015-circuit-breaker-600v-15a-3p-65ka480v-bolt-on-vl-series","provider":"Alpha Breakers \u0026 Controls","version":"1.0","type":"link"}