{"product_id":"a2d45r","title":"A2D45R - 45 Amp Fuse","description":"\u003cp\u003e\u003cstrong\u003eA2D45R - 45 Amp Fuse\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Mersen A2D45R Amp-Trap 2000® Class RK1 time-delay fuse is made for electrical systems that need steady, dependable protection in day-to-day operation. Rated at 45 amps, this fuse helps you protect motors, feeders, branch circuits, and other equipment from overloads and short circuits that can lead to costly damage or downtime. Its time-delay design allows normal motor startup surges to pass through without opening the circuit too soon, which makes it especially useful in equipment that cycles on and off throughout the day.\u003c\/p\u003e\n\u003cp\u003eDuring high fault conditions, the A2D45R responds fast to help protect connected components like starters, switches, and control equipment. The built-in SmartSpot® indicator gives your maintenance teams a quick visual way to identify when the fuse has opened, helping reduce troubleshooting time. This fuse is also commonly used as a replacement for older Class H, K, and RK5 fuses, making upgrades and maintenance simpler in existing systems.\u003c\/p\u003e\n\u003cp\u003eDesigned for both 250VAC and 250VDC applications, the A2D45R features a ferrule-style connection with tin-plated copper terminals for reliable conductivity. Its compact PolyTube construction holds up well in industrial and commercial environments where your consistent circuit protection is important.\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\u003e45 Amp Class RK1 time-delay fuse:\u003c\/strong\u003e Designed for dependable overcurrent protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual voltage capability:\u003c\/strong\u003e Rated for 250VAC and 250VDC applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor and circuit protection:\u003c\/strong\u003e Helps protect motors, feeders, and branch circuits from overcurrent conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTime-delay design:\u003c\/strong\u003e Helps prevent nuisance openings during motor startup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast short-circuit response:\u003c\/strong\u003e Helps reduce equipment damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh interrupting rating:\u003c\/strong\u003e Rated at 200 kA for high fault-current protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmartSpot® indication system:\u003c\/strong\u003e Provides quick fuse identification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplacement compatibility:\u003c\/strong\u003e Can replace older Class H, K, and RK5 fuses in many applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTin-plated copper ferrule terminals:\u003c\/strong\u003e Support dependable electrical connections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact construction:\u003c\/strong\u003e Allows for easy installation in fuse clips.\u003cbr\u003e\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e A2D45R\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Series:\u003c\/strong\u003e A2D-R – Amp-Trap 2000®\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuse Class:\u003c\/strong\u003e Class RK1\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuse Type:\u003c\/strong\u003e Time-Delay\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmpere Rating:\u003c\/strong\u003e 45A\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated AC Voltage:\u003c\/strong\u003e 250VAC\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated DC Voltage:\u003c\/strong\u003e 250VDC\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency:\u003c\/strong\u003e 50\/60 Hz\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterrupting Rating:\u003c\/strong\u003e 200 kA\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Type:\u003c\/strong\u003e Ferrule\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Material:\u003c\/strong\u003e Tin-Plated Copper\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Type:\u003c\/strong\u003e Clip\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndication Type:\u003c\/strong\u003e SmartSpot®\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Material:\u003c\/strong\u003e PolyTube\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Diameter:\u003c\/strong\u003e 20.6 mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Length:\u003c\/strong\u003e 76.2 mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Weight:\u003c\/strong\u003e 0.054 kg\u003cbr\u003e\n\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\u003eRoHS Compliant:\u003c\/strong\u003e Supports environmental compliance standards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUL electrical system applications:\u003c\/strong\u003e Designed for dependable low-voltage fuse protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAC and DC compatibility:\u003c\/strong\u003e Suitable for AC and DC circuit protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable PolyTube body:\u003c\/strong\u003e Built for dependable insulating performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTin-plated copper terminals:\u003c\/strong\u003e Designed for long-term electrical conductivity and performance.\u003cbr\u003e\u003cstrong\u003e\u003c\/strong\u003e\n\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 Mersen A2D45R works well in industrial facilities, commercial buildings, HVAC systems, motor control panels, manufacturing equipment, and electrical distribution systems where dependable overcurrent protection is needed. It is particularly useful in applications with motor startup loads, where temporary inrush current is expected but strong short-circuit protection is still required.\u003cbr\u003e\n\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\u003eMersen® is a registered trademark of Mersen S.A. Products sold are surplus, used, or refurbished and are \u003cstrong\u003eNOT \u003c\/strong\u003esupplied by Mersen S.A. or its affiliates.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Mersen","offers":[{"title":"New In Box","offer_id":50459144749355,"sku":"A2D45R","price":0.0,"currency_code":"USD","in_stock":false},{"title":"Refurbished","offer_id":50459144782123,"sku":"A2D45R  [R]","price":0.0,"currency_code":"USD","in_stock":false}],"url":"https:\/\/store.circuitbreakersuperstore.com\/products\/a2d45r","provider":"CIRCUIT BREAKER SUPERSTORE®","version":"1.0","type":"link"}