limitron quick acting fuses jks class j 70-600a 600 volt form no. jks 70-600 page 1 of 2 bif doc #1027 bussmann 12-21-98 sb98107 rev. a 6.0" 8.0" 3.75" .69" 2.13" .38" .53" 2" 450a to 600a 2.5" 7.13" 5.25" 3.38" .53" 1.63" 1.88" .41" *2" .25" 225a to 400a 5.75" 4.38" 3.0" .38" 1.38" 1.13" .28" .19" 1.5" 110a to 200a 4.63" 3.63" 2.63" 65a to 100a .28" .75" 1.13" .13" 1" .38" catalog symbol: jks quick-acting 70 to 600 amperes 600 volts ac (or less) * current limiting interrupting rating?00,000a rms sym. u.l. listed class j (guide # jddz, file # e4273) csa hrci-j (class 1422-02, file # 53787) *contact bussmann for dc ratings. catalog numbers jks-70 jks-150 jks-350 jks-80 jks-175 jks-400 jks-90 jks-200 jks-450 jks-100 JKS-225 jks-500 jks-110 jks-250 jks-600 carton quantity and weight?ks limitron (600 volts ac)* catalog carton weight** number qty lbs. kg. 70?00 5 0.28 0.127 110?00 1 0.86 0.390 225?00 1 1.78 0.807 450?00 1 3.07 1.392 **weight per carton. single element, current limiting fuses provide superior short-cir- cuit protection. protects low interrupting capacity circuit breakers. limits the short-circuit current to meet the interrupting capacity require- ments of existing equipment. on older systems available short circuit current may exceed the interrupting capacity of the circuit breakers, fuses can be installed in series with existing equipment. well suited for lighting and heating circuits and other non-induc- tive loads. provides component short-circuit protection in compliance with nec 110-10, where protection devices shall clear a fault with- out ?xtensive damage?to the circuit components. high interrupting rating helps meet the requirements of future system expansion and the increases in available utility short- circuit current. fuses can easily be selectively coordinated. dimensional data standard j fuseblocks (600v) catalog data box lug w/ max. wire amps poles retaining clip size 70?00 3 j60100-3cr 1/0 cu-al 101?00 1 j60200-1cr 250mcm cu-al 201?00 1 j60400-1cr 500mcm cu-al 401?00 1 j60600-1cr (2) 500mcm cu-al
12-21-98 sb98107 rev. a form no. jks 70-600 page 2 of 2 bif doc #1027 bussmann 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 bif 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 applicatio ns. 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 right to change or update, withou t notice, any technical information contained in this bulletin. once a product has been select- ed, it should be tested by the user in all possible applications. limitron quick acting fuses jks class j 70-600a 600 volt 600 400 200 ampere rating 100 instantaneous peak let-thru current in amps 1,000 10,000 100,000 200,000 400,000 100,000 10,000 1,000 rms symmetrical currents in amperes a?=asymmetrical available peak (2.3 x symm rms amps) b a 100a 200a 400a ampere rating 600a 300 100 10 1 .1 .01 rms symmetrical current in amperes time in seconds 40 100 1,000 10,000 current limitation curves time-current characteristic curves?verage melt
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