Low-PeakTM Class J LPJ -- 600Vac/300Vdc, 1-60A, Dual Element, Time-Delay Fuses Dimensions - in 2.25" (0.03) 2.38" (0.03) 1.06" 0.63" (0.03) 0.81" 0.5" (0.03) Available with easyIDTM open fuse indication 1 to 30A Description: Ultra protection Class J dual element, currentlimiting, time-delay fuses available with optional open fuse indication. Time-delay - 10 seconds (minimum) at 500% of rated current. Catalog Symbol: LPJ-(amp)SP (non-indicating) LPJ-(amp)SPI (indicating) Ratings: Volts -- 600Vac, 300Vdc Amps -- 1-60A IR -- 300kA Vac RMS Sym. -- 100kA Vdc Agency Information: CE, UL Listed, Guide JDDZ, File E4273 CSA Certified, Class 1422-02, File 53787, Class J per CSA 22.2 No. 248. Catalog Numners (amps) - Non-indicating Fuses LPJ-1SP LPJ-114SP LPJ-1610SP LPJ-1810SP LPJ-2SP LPJ-214SP LPJ-212SP LPJ-2810SP LPJ-3SP LPJ-3210SP LPJ-312SP LPJ-4SP LPJ-412SP LPJ-5SP LPJ-5610SP LPJ-6SP* LPJ-7SP* LPJ-8SP* LPJ-9SP* LPJ-10SP* LPJ-12SP* LPJ-15SP* LPJ-1712SP* LPJ-20SP* LPJ-25SP* LPJ-30SP* LPJ-35SP* LPJ-40SP* LPJ-45SP* LPJ-50SP* LPJ-60SP* * Open fuse indication available by inserting the suffix "I," e.g., LPJ-15SPI. Requires 75Vac minimum voltage. Carton Quantity and Weight Amp Rating 1-30 35-60 Carton Qty. 10 10 35 to 60A Features: * Industry's only UL Listed and CSA Certified fuse with a 300kA Vac interrupting rating that exceeds requirements for virtually all applications * Long time-delay minimizes needless fuse openings due to temporary overloads and transient surges * Easy selective coordination with all Low-Peak fuses using simple 2:1 ampacity ratio * Can often be sized for back-up protection against motor burnout from overload or single-phasing if other overload protective devices fail * High degree of current limitation due to the fast speed-ofresponse to short-circuits * Faster response to damaging short-circuit currents than mechanical overcurrent protective devices * Reduces let-through thermal and magnetic forces in order to protect low withstand rated components * Proper sizing provides "no damage" Type "2" coordinated protection for NEMA and IEC motor control in accordance with IEC Standard 947-4-1 * Dual-element fuses have lower resistance than ordinary fuses so they run cooler * Lower watts loss reduces power consumption * Space-saving package for equipment downsizing Recommended Fuse Blocks and Holders Fuse Amps 0-30 35-60 0-30 35-60 0-30 35-60 0-30 35-60 1-Pole 2-Pole Open Blocks J60030-1 J60030-2 J60060-1 J60060-2 "Pyramid" Blocks JP60030-1 JP60030-2 JP60060-1 JP60060-2 CH Series Holders CH30J1 CH30J2 CH60J1 CH60J2 Safety JTM Holders JT60030 -- JT60060 -- 3-Pole J60030-3 J60060-3 JP60030-3 JP60060-3 CH30J3 CH60J3 -- -- For additional information on the Class J fuse blocks and holders, see data sheets # 1114 (open blocks), #1108 (pyramid blocks), # 2144 (CH Series) and # 1152 (Safety J). Fuse Reducers For Class R Fuses Equipment Fuse Clips 60A 100A 200A Desired Fuse (Case) Size 30A 30A 60A 60A Catalog Numbers (Pairs) J-63 J-13 J-16 J-26 Not for bolt-in applications. 0713 BU-SB13688 Page 1 of 3 Data Sheet # 1006 Low-PeakTM Class J LPJ -- 600Vac/300Vdc, 1-60A, Dual Element, Time-Delay Fuses 60A 30A 15A 10A 6A 3A 300 1A Time-Current Curves - Average Melt AMP RATING 200 100 TIME IN SECONDS 10 1 CURRENT IN AMPS 0713 BU-SB13688 Page 2 of 3 1,000 10 1 .01 100 .1 Data Sheet # 1006 Low-PeakTM Class J LPJ -- 600Vac/300Vdc, 1-60A, Dual Element, Time-Delay Fuses Current-Limitation Curves B 100000 90000 80000 70000 60000 50000 40000 20000 60A 10000 9000 8000 7000 6000 30A 5000 15A 4000 3000 AMP RATING INSTANTANEOUS PEAK LET-THROUGH CURRENT IN AMPERES 30000 2000 1000 900 800 700 600 500 400 300 A 200 300000 200000 60000 70000 80000 90000 100000 30000 50000 40000 20000 5000 6000 7000 8000 9000 10000 4000 2000 3000 500 600 700 800 900 1000 400 200 300 100 100 PROSPECTIVE SHORT-CIRCUIT CURRENT - SYMMETRICAL RMS AMPS Current-Limiting Effects Prosp. Let-Through Current S.C.C. (Apparent RMS Symmetrical Vs. Fuse Rating) -- 15A 30A 60A 1000 1000 1000 1000 3000 1000 1000 1000 5000 1000 1000 1000 10,000 1000 1000 2000 15,000 1000 1000 2000 20,000 1000 1000 2000 25,000 1000 1000 2000 30,000 1000 1000 2000 35,000 1000 1000 2000 40,000 1000 2000 3000 50,000 1000 2000 3000 60,000 1000 2000 3000 80,000 1000 2000 3000 100,000 1000 2000 4000 150,000 1000 2000 4000 200,000 2000 3000 4000 250,000 2000 3000 5000 300,000 2000 3000 5000 The only controlled copy of this Data Sheet is the electronic read-only version located on the Cooper Bussmann Network Drive. All other copies of this document are by definition uncontrolled. This bulletin is intended to clearly present comprehensive product data and provide technical information that will help the end user with design applications. Cooper Bussmann reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. Cooper Bussmann also reserves the right to change or update, without notice, any technical information contained in this bulletin. Once a product has been selected, it should be tested by the user in all possible applications. 0713 BU-SB13688 Page 3 of 3 Data Sheet # 1006