technical data 1009 effective february 2016 supersedes august 2015 low-peak? krp-c class l 600vac, 2001-6000a, 300vdc 3000a time-delay fuses catalog symbol: krp-c-(amp)sp description: bussmann ? series ultimate protection krp-c class l current-limiting, time-delay fuses. time- delay C 4 seconds (minimum) at 500% of rated current. specifcations: ratings ? volts ? 600vac (2001-6000a) ? 300vdc (3000a) ? amps 2001-6000a ? ir ? 300ka vac rms sym. (2001-6000a) ? 100ka vdc (3000a) agency information ? ul ? listed, guide jddz, file e4273 ? csa ? certified, class 1422-02, file 53787, class l per csa-c22.2 no. 248.10 ? ce ? rohs compliant catalog numbers (amps) krp-c-2001sp krp-c-3500sp krp-c-5000sp krp-c-2400sp krp-c-3800sp krp-c-6000sp KRP-C-2500SP krp-c-4000sp krp-c-3000sp krp-c-4500sp carton quantity: amp rating carton qty. 2001-6000 1 dimensions - in: features: ? industrys only ul listed and csa certified fuse with a 300ka interrupting rating that allows for simple, worry-free installation in virtually any application. ? fast short-circuit protection with time-delay performance provide ultimate protection. ? consistent 2:1 ampacity ratios for all low-peak fuses make selective coordination easy. ? time-delay for close sizing load. ? current-limiting action of the fuse generally affords considerable reduction in bus bracing. ? all-purpose silver-linked fuse for both overload and short-circuit protetion for high capacity systems (mains and large feeders). ? o-ring seals maximize pressure build-up during current-limiting action and ensure filter retention. ? high-grade silica sand filler accelerates response of fuse to short-circuits by having quenching effect on the fuse arc. ? 99.9% pure silver links provide low watt loss with low operating temperature on normal current levels and minimizes total clearing i 2 t fault energy left-through. 2001a to 2500a 3000 a 3500 a to 4000 a 4500 a to 5000 a 6000a 1.75" 1.38" 0.81" 0.88" 1.75" 1.38" 0.88" 1.63" 6.75" 10.75" ( 0.09) 3.75" 1" 1" 0.75" 0.75" 0.75" 3.5" 5" 5.03" max. 4" 5" 5.03" max. 4.75" 5.75" 5.79" max. 5.25" 6.25" 7.17" max. 5.75" 7.13" 7.17" max. terminals: width ( 0.06), thickness ( 0.03)
2 technical data 1009 effective february 2016 time-current curves - average melt: amp ra ting current in amps time in seconds 2500 a 3000 a 4000 a 5000 a 6000 a 300 100 10 1 0.1 0.01 1000 10,000 100,000 200,000 low-peak? krp-c class l 600vac, 2001-6000a, 300vdc 3000a time-delay fuses eaton.com/bussmannseries
3 technical data 1009 effective february 2016 current-limiting effects: prospective s.c.c. let-through current (apparent rms symmetrical vs. fuse rating) 2500a 3000a 4000a 5000a 6000a 5000 5000 5000 5000 5000 5000 10,000 10,000 10,000 10,000 10,000 10,000 15,000 15,000 15,000 15,000 15,000 15,000 20,000 20,000 20,000 20,000 20,000 20,000 25,000 25,000 25,000 25,000 25,000 25,000 30,000 30,000 30,000 30,000 30,000 30,000 35,000 35,000 35,000 35,000 35,000 35,000 40,000 35,000 40,000 40,000 40,000 40,000 50,000 37,000 50,000 50,000 50,000 50,000 60,000 40,000 49,000 60,000 60,000 60,000 70,000 42,000 52,000 62,000 70,000 70,000 80,000 44,000 54,000 65,000 76,000 80,000 90,000 45,000 56,000 67,000 79,000 90,000 100,000 47,000 58,000 70,000 81,000 100,000 150,000 54,000 67,000 80,000 93,000 104,000 200,000 59,000 73,000 87,000 102,000 114,000 250,000 64,000 79,000 94,000 110,000 123,000 300,000 68,000 84,000 100,000 117,000 130,000 current-limitation curves: low-peak? krp-c class l 600vac, 2001-6000a, 300vdc 3000a time-delay fuses eaton.com/bussmannseries
technical data 1009 effective february 2016 eaton, bussmann and low-peak are valuable trademarks of eaton in the us and other countries. you are not permitted to use the eaton trademarks without prior written consent of eaton. csa is a registered trademark of the canadian standards group. ul is a registered trademark of the underwriters laboratories, inc. eaton 1000 eaton boulevard cleveland, oh 44122 eaton.com bussmann division 114 old state road ellisville, mo 63021 united states eaton.com/bussmannseries ? 2016 eaton all rights reserved printed in usa publication no. 1009 bu-sb15052 february 2016 follow us on social media to get the latest product and support information. low-peak? krp-c class l 600vac, 2001-6000a, 300vdc 3000a time-delay fuses the only controlled copy of this data sheet is the electronic read-only version located on the eaton 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. eaton reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. eaton 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.
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