12-1-99 a99074 rev. a low-peak lpn-rk dual-element, time-delay fuses ?? -60a class rk1 ?250 volt form no. lpn-rk 0-60 page 1 of 2 bif doc #1003 bussmann features: current-limitation for maximum short-circuit protection. type 2 protection for iec and nema starters when properly sized. high inrush current motor protection. time-delay permits 130% fla sizing for back-up motor protection. protection against single-phase motor damage. low watt loss power consumption. electrically isolated end caps. 125 vdc, u.l. listed. 0.56" ( 0.008) 2" ( 0.31) ?? a to 30a 0.81" ( 0.008) 3" ( 0.31) 35a to 60a catalog symbol: lpn-rk_sp dual-element, time-delay ?10 seconds (minimum) at 500% rated current (8 seconds for 0-30a sizes) current-limiting ampere rating: ?? to 60 amperes voltage rating: 250 volts ac (or less) interrupting rating: ac: 300,000a rms sym. dc: 50,000 amperes agency approvals: ul listed ?special purpose*, guide jfhr, file e56412 csa certified (200,000air), class 1422-02, file 53787 class rk1 per csa c22.2, no. 248.12 *meets all performance requirements of ul standard 248-12 for class rk1 fuses. catalog numbers lpn-rk-??sp lpn-rk-2sp lpn-rk-9sp lpn-rk-t???sp lpn-rk-2?sp lpn-rk-10sp lpn-rk-???sp lpn-rk-2?asp lpn-rk-12sp lpn-rk-??sp lpn-rk-2???sp lpn-rk-15sp lpn-rk-y??sp lpn-rk-3sp lpn-rk-17?asp lpn-rk-?asp lpn-rk-3???sp lpn-rk-20sp lpn-rk-???sp lpn-rk-3?asp lpn-rk-25sp lpn-rk-???sp lpn-rk-4sp lpn-rk-30sp lpn-rk-1sp lpn-rk-4?asp lpn-rk-35sp lpn-rk-1?sp lpn-rk-5sp lpn-rk-40sp lpn-rk-1?sp lpn-rk-5???sp lpn-rk-45sp lpn-rk-1y??sp lpn-rk-6sp LPN-RK-50SP lpn-rk-1???sp lpn-rk-6?sp lpn-rk-60sp lpn-rk-1???sp lpn-rk-8sp ? fuse reducers for class r fuses desired catalog number equipment fuse (case) (pairs) fuse clips size 250v 60a 30a no. 263-r 100a 30a no. 213-r 60a no. 216-r 200a 60a no. 226-r carton quantity and weight ampere carton weight** ratings qty. lbs. kg. 0?0 10 0.5 0.227 35?0 10 1.2 0.544 **weight per carton. dimensional data fuseblocks 30 amp case 1 pole 2 pole 3 pole box lug r25030-1cr r25030-2cr r25030-3cr screw r25030-1sr r25030-2sr r25030-3sr pressure r25030-1pr r25030-2pr r25030-3pr plate 60 amp case 1 pole 2 pole 3 pole box lug r25060-1cr r25060-2cr r25060-3cr screw r25060-1sr r25060-2sr r25060-3sr pressure r25060-1pr r25060-2pr r25060-3pr plate ce logo denotes compliance with european union low voltage directive (50-1000 vac, 75-1500 vdc). refer to bif document #8002 or contact bussmann application engineering at 636-527-1270 for more information.
low-peak lpn-rk dual-element, time-delay fuses ?? -60a class rk1 ?250 volt form no. lpn-rk 0-60 page 2 of 2 bif doc #1003 bussmann 12-1-99 a99074 rev. a the only controlled copy of this bif document is the electronic read-only version located on the bussmann network drive. all other copies of this document are by definition uncontrolled. this bul- letin is intended to clearly present comprehensive product data and provide technical information that will help the end user with design applications. bussmann reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any prod- ucts. 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. .1 .2 .15 .3 .4 .6 .5 .8 1 1.25 1.6 2 2.5 3.2 4 5 6.25 8 10 12 ampere rating 300 100 10 1 .1 .01 .1 1 10 100 1,000 rms symmetrical current in amperes time in seconds a b 60 30 ampere rating 400,000 100,000 10,000 1,000 1,000 10,000 100,000 200,000 rms symmetrical currents in amperes a?=asymmetrical available peak (2.3 x symm rms amps) instantaneous peak let-through current in amps current-limitation curves 20a 60a 30a ampere rating 15a rms symmetrical current in amperes 20 100 1,000 10,000 time in seconds 300 100 10 1 .1 .01 time-current characteristic curves?verage melt
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