{"product_id":"mersen-a4by2001-class-l-time-delay-fuse-2001a-600vac-300vdc-amp-trap®-blade-fuse","title":"Mersen A4BY2001 Class L Time-Delay Fuse – 2001A – 600VAC\/300VDC – Amp-Trap® Blade Fuse","description":"\u003cp data-start=\"112\" data-end=\"719\"\u003eThe Mersen A4BY2001 is an ultra-high capacity Amp-Trap® Class L time-delay fuse designed for large-scale industrial, commercial, and utility power distribution systems. Rated at 2001 Amps, this current-limiting fuse provides dependable protection against overloads and short circuits while accommodating motor starting currents and transformer inrush conditions. With voltage ratings of 600VAC and 300VDC, it is suitable for main service entrances, large feeder circuits, switchgear, and high-capacity electrical infrastructure where maximum reliability and fault protection are required.\u003c\/p\u003e\n\u003ch3 data-section-id=\"yc43s8\" data-start=\"721\" data-end=\"743\"\u003eVoltage and Rating\u003c\/h3\u003e\n\u003cul data-start=\"745\" data-end=\"902\"\u003e\n\u003cli data-section-id=\"1wsb913\" data-start=\"745\" data-end=\"774\"\u003eCurrent Rating: 2001 Amps\u003c\/li\u003e\n\u003cli data-section-id=\"k5woin\" data-start=\"775\" data-end=\"810\"\u003eVoltage Rating: 600VAC \/ 300VDC\u003c\/li\u003e\n\u003cli data-section-id=\"12sfb1r\" data-start=\"811\" data-end=\"834\"\u003eFrequency: 50\/60 Hz\u003c\/li\u003e\n\u003cli data-section-id=\"lh2u8s\" data-start=\"835\" data-end=\"858\"\u003eFuse Class: Class L\u003c\/li\u003e\n\u003cli data-section-id=\"1uahc1k\" data-start=\"859\" data-end=\"902\"\u003eFuse Type: Time-Delay, Current-Limiting\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"uvdx3z\" data-start=\"904\" data-end=\"926\"\u003eKey Specifications\u003c\/h3\u003e\n\u003cul data-start=\"928\" data-end=\"1185\"\u003e\n\u003cli data-section-id=\"1auomsb\" data-start=\"928\" data-end=\"967\"\u003eProduct Type: Industrial Power Fuse\u003c\/li\u003e\n\u003cli data-section-id=\"1i7t8x4\" data-start=\"968\" data-end=\"994\"\u003eSeries: Amp-Trap® A4BY\u003c\/li\u003e\n\u003cli data-section-id=\"m6ltkc\" data-start=\"995\" data-end=\"1020\"\u003ePart Number: A4BY2001\u003c\/li\u003e\n\u003cli data-section-id=\"1rqx052\" data-start=\"1021\" data-end=\"1062\"\u003eManufacturer: Mersen \/ Ferraz Shawmut\u003c\/li\u003e\n\u003cli data-section-id=\"jpwrkx\" data-start=\"1063\" data-end=\"1088\"\u003eMounting Style: Blade\u003c\/li\u003e\n\u003cli data-section-id=\"npl519\" data-start=\"1089\" data-end=\"1159\"\u003eTime-Delay Capability: Yes (motor and transformer inrush tolerant)\u003c\/li\u003e\n\u003cli data-section-id=\"1ozdgpy\" data-start=\"1160\" data-end=\"1185\"\u003eCurrent Limiting: Yes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"nucr17\" data-start=\"1187\" data-end=\"1215\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul data-start=\"1217\" data-end=\"1708\"\u003e\n\u003cli data-section-id=\"1qu4uul\" data-start=\"1217\" data-end=\"1278\"\u003eProtection Type: Overcurrent and short-circuit protection\u003c\/li\u003e\n\u003cli data-section-id=\"b9nhhn\" data-start=\"1279\" data-end=\"1411\"\u003eApplication Suitability: Service entrances, large feeders, transformers, switchboards, and industrial power distribution systems\u003c\/li\u003e\n\u003cli data-section-id=\"m9lx79\" data-start=\"1412\" data-end=\"1501\"\u003eCoordination Type: Supports selective coordination with downstream protective devices\u003c\/li\u003e\n\u003cli data-section-id=\"8a1sv8\" data-start=\"1502\" data-end=\"1610\"\u003eConstruction Features: Very high interrupting capacity, low let-through energy, rugged industrial design\u003c\/li\u003e\n\u003cli data-section-id=\"6unvln\" data-start=\"1611\" data-end=\"1708\"\u003eSystem Integration: Designed for commercial, industrial, and utility-scale electrical systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"nr5bwx\" data-start=\"1710\" data-end=\"1737\"\u003eStandards and Approvals\u003c\/h3\u003e\n\u003cul data-start=\"1739\" data-end=\"1826\"\u003e\n\u003cli data-section-id=\"11a7gqd\" data-start=\"1739\" data-end=\"1752\"\u003eUL Listed\u003c\/li\u003e\n\u003cli data-section-id=\"1ygh62h\" data-start=\"1753\" data-end=\"1770\"\u003eCSA Certified\u003c\/li\u003e\n\u003cli data-section-id=\"19h2xfu\" data-start=\"1771\" data-end=\"1826\"\u003eCompliant with Class L fuse protection requirements\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1aljov1\" data-start=\"1828\" data-end=\"1844\"\u003eProduct Data\u003c\/h3\u003e\n\u003cul data-start=\"1846\" data-end=\"1961\"\u003e\n\u003cli data-section-id=\"1rqx052\" data-start=\"1846\" data-end=\"1887\"\u003eManufacturer: Mersen \/ Ferraz Shawmut\u003c\/li\u003e\n\u003cli data-section-id=\"54n152\" data-start=\"1888\" data-end=\"1909\"\u003eSeries: Amp-Trap®\u003c\/li\u003e\n\u003cli data-section-id=\"m6ltkc\" data-start=\"1910\" data-end=\"1935\"\u003ePart Number: A4BY2001\u003c\/li\u003e\n\u003cli data-section-id=\"1taxt4s\" data-start=\"1936\" data-end=\"1961\"\u003eEAN\/UPC: 782001939243\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"wggvqn\" data-start=\"1963\" data-end=\"1979\"\u003eApplications\u003c\/h3\u003e\n\u003cul data-start=\"1981\" data-end=\"2383\"\u003e\n\u003cli data-section-id=\"uuw6y8\" data-start=\"1981\" data-end=\"2034\"\u003eIndustrial and utility power distribution systems\u003c\/li\u003e\n\u003cli data-section-id=\"1aykr3y\" data-start=\"2035\" data-end=\"2071\"\u003eMain service entrance protection\u003c\/li\u003e\n\u003cli data-section-id=\"6xtpbr\" data-start=\"2072\" data-end=\"2107\"\u003eLarge feeder circuit protection\u003c\/li\u003e\n\u003cli data-section-id=\"18o23b5\" data-start=\"2108\" data-end=\"2142\"\u003eTransformer protection systems\u003c\/li\u003e\n\u003cli data-section-id=\"fgbk6c\" data-start=\"2143\" data-end=\"2185\"\u003eSwitchboards and switchgear assemblies\u003c\/li\u003e\n\u003cli data-section-id=\"y1e6qj\" data-start=\"2186\" data-end=\"2211\"\u003eMotor control centers\u003c\/li\u003e\n\u003cli data-section-id=\"1oy35nk\" data-start=\"2212\" data-end=\"2250\"\u003eCritical infrastructure facilities\u003c\/li\u003e\n\u003cli data-section-id=\"1eiiuq1\" data-start=\"2251\" data-end=\"2294\"\u003eManufacturing plants and heavy industry\u003c\/li\u003e\n\u003cli data-section-id=\"1vnrfac\" data-start=\"2295\" data-end=\"2330\"\u003eHigh fault current environments\u003c\/li\u003e\n\u003cli data-section-id=\"1i8vcxf\" data-start=\"2331\" data-end=\"2383\"\u003ePower generation and energy distribution systems\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mersen","offers":[{"title":"NEW","offer_id":48494198718713,"sku":"A4BY2001","price":1069.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/7810\/7385\/files\/PHP-A4BY2001-Mersen-TIMG_jpg.webp?v=1780840469","url":"https:\/\/mycircuitbreakers.com\/products\/mersen-a4by2001-class-l-time-delay-fuse-2001a-600vac-300vdc-amp-trap%c2%ae-blade-fuse","provider":"My Circuit Breakers","version":"1.0","type":"link"}