fusetron frs-r dual-element, time-delay fuses ??-60a class rk5 e 600 volt form no. frs-r 1/10-60 page 1 of 2 bif doc #1017 bussmann ? 12-17-98 sb98107 rev. a ?? a to 30a .81" ( 0.008) 5" ( 0.31) 35a to 60a 1.06" ( 0.008) 5.5" ( 0.31) catalog numbers frs-r-?? frs-r-1??? frs-r-8 frs-r-? frs-r-2 frs-r-9 frs-r-t??? frs-r-2? frs-r-10 frs-r-??? frs-r-2?a frs-r-12 frs-r-? frs-r-2??? FRS-R-15 frs-r-?? frs-r-3 frs-r-17?a frs-r-y?? frs-r-3??? frs-r-20 frs-r-?a frs-r-3?a frs-r-25 frs-r-??? frs-r-4 frs-r-30 frs-r-??? frs-r-4?a frs-r-35 frs-r-1 frs-r-5 frs-r-40 frs-r-1? frs-r-5??? frs-r-45 frs-r-1? frs-r-6 frs-r-50 frs-r-1y?? frs-r-6? frs-r-60 frs-r-1?a frs-r-7 ? frs-r-1??? frs-r-7?a ? class r catalog numbers (clip retaining spring standard, suffix r) terminal type (suffix no.) basic screw w/ box lug w/ catalog pres. clip amps poles number plate cu only ?? 1 r60030-1 sr pr cr cor to 2 r60030-2 sr pr cr cor 30 3 r60030-3 sr pr cr cor 31 1 r60060-1 sr cr cor to 2 r60060-2 sr cr cor 60 3 r60060-3 sr cr cor fuse reducers for class r fuses desired catalog number equipment fuse (case) (pairs) fuse clips size 600v 60a 30a no. 663-r 100a 30a no. 216-r 60a no. 616-r 200a 60a no. 626-r dimensional data carton quantity and weight ampere carton weight* ratings qty. lbs. kg. ?? C15 10 0.40 0.181 17.5C30 10 0.50 0.277 35-60 10 3.10 1.406 *weight per carton. general information: ? provides motor overload, ground fault and short-circuit pro- tection. when used in circuits subject to surge currents such as those caused by motors, transformers and other inductive components, these fuses can be sized close to full-load amperes to give maximum overcurrent protection. ? permits the use of smaller and less costly switches. the time- delay feature makes it possible to use fuse ampere ratings which are much smaller than those of non-time-delay fuses. considerable cost saving occurs by permitting the use of smaller size switches, panels and fuses themselves. ? provides a higher degree of short-circuit protection (greater current-limitation) in circuits in which surge currents or tempo- rary overloads occur. ? helps protect motors against burnout from overloads. ? gives motor running back-up protection to motors without extra costs. ? helps protect motors against burnout from single phasing on three phase systems. ? simplifies and improves blackout prevention (selective coordination). ? dual-element fuses can be applied in circuits subject to tem- porary motor overloads and surge currents to provide both high-performance, short-circuit and overload protection. ? the overload element provides protection against low level overcurrent of overloads and will hold an overload which is five times greater than the ampere rating of the fuse for a minimum of ten seconds. catalog symbol: frs-r dual-element, time-delay C 10 second (minimum) at 500% rated current current-limiting ampere rating: ?? to 60 amperes voltage rating: 600 volts ac (or less) interrupting rating: 200,000a rms sym. dc ratings (20,000aic @ 250 vdc) agency approvals: ul listed, std. 248-12, class rk5, guide jddz, file e4273 csa certified, c22.2 no. 248.12, class 1422-02, file 53787 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 314-527-1270 for more information.
fusetron frs-r dual-element, time-delay fuses ??-60a class rk5 e 600 volt form no. frs-r 1/10-60 page 2 of 2 bif doc #1017 bussmann ? 12-17-98 sb98107 rev. a the only controlled copy of this bif document is the electronic read-only version located on the bussmann network drive. all ot her 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 desig n applications. bussmann reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. bussmann also reserves the rig ht 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. current in amperes .1 1 10 100 1,000 300 100 10 1 .1 .01 time in seconds .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 ampere rating 30 60 instantaneous peak let- through current in amperes prospective short-circuit current symmetrical rms amperes 400,000 100,000 10,000 1,000 1,000 10,000 100,000 200,000 b a current in amperes 20 100 1,000 10,000 30,000 time in seconds 300 100 10 1 .1 .01 60a 30a ampere rating 15a current-limitation curves time-current characteristic curvesCaverage melt
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