{"product_id":"cooper-bussmann-gmd-3-r-3a-time-delay-cartridge-fuse","title":"Cooper Bussmann GMD-3-R 3A Time Delay Cartridge Fuse","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe COOPER BUSSMANN GMD-3-R is a glass-body, cartridge-style time delay fuse rated at 3 amps. It measures 20 millimeters in overall length and 5 millimeters in diameter, placing it in the IEC 20x5 mm mini fuse form factor. The time delay characteristic allows brief inrush currents to pass without nuisance opening, making it suitable for protecting circuits where motors, capacitors, or transformers cause momentary surges at startup. Licensed electricians and electronics technicians install this fuse in control panels, instruments, and low-current branch circuits where precise overcurrent protection is required.\u003c\/p\u003e\u003cp\u003eThis fuse is intended for use in low-voltage control circuits, instrumentation, and light industrial equipment operating at up to 250 volts. The glass body allows visual inspection of the element without removal, simplifying diagnostic work during service calls. Its compact 20x5 mm form fits standard fuse holders and blocks designed for IEC-style mini cartridge fuses, common in HVAC control boards, laboratory instruments, and imported equipment requiring metric-format fuse components.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTime delay action tolerates startup inrush without nuisance trips\u003c\/li\u003e\n\u003cli\u003eGlass body allows visual fuse-element inspection in the field\u003c\/li\u003e\n\u003cli\u003e10,000A interrupting rating at 125V for robust fault current handling\u003c\/li\u003e\n\u003cli\u003e100A interrupting rating at 250V\u003c\/li\u003e\n\u003cli\u003eMeets UL, CSA, PSE\/JET, and RoHS certification requirements\u003c\/li\u003e\n\u003cli\u003eStandard IEC 20x5 mm cartridge form fits common fuse holders\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement for IEC 20x5 mm cartridge time delay fuse positions in control panels, instrumentation, and light industrial equipment.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a qualified electrician in accordance with the National Electrical Code (NEC) and applicable local codes. De-energize and lock out the circuit before removing or installing any fuse. Verify that the replacement fuse amperage, voltage rating, and time-delay characteristics match the original equipment specification before inserting. Do not substitute a fast-acting fuse in an application designed for a time delay element, as nuisance opening or inadequate protection may result.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmperage\u003c\/strong\u003e: 3A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuse Type\u003c\/strong\u003e: Mini Cartridge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuse Timing\u003c\/strong\u003e: Time Delay\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 20 millimeters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Diameter\u003c\/strong\u003e: 5 millimeters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Glass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterrupting Rating\u003c\/strong\u003e: 100A at 250V; 10,000A at 125V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.01 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications\u003c\/strong\u003e: CSA Class 1422-01 File 53787; PSE\/JET File 1641-31003-1001; RoHS 2002\/95\/EC; UL Listed Guide JDYX File E19180; UL Recognized 4A Guide JDYX2 File E19180; UL\/CSA 248-14\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: COOPER BUSSMANN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: GMD-3-R\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"EATON","offers":[{"title":"Default Title","offer_id":51698247762226,"sku":"GMD-3-R","price":42.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/a591df265e9f6ff7e2798e966be1be67.jpg?v=1788360035","url":"https:\/\/voomisupply.com\/products\/cooper-bussmann-gmd-3-r-3a-time-delay-cartridge-fuse","provider":"Voomi Supply","version":"1.0","type":"link"}