form no. page 1 of 2 bif doc #720020 bussmann square body ?flush end contact 690v (iec) 1000-4000a electrical characteristics ordering information curves rated rated current current watts watts -bkn/- -gkn/- rms- rms- i 2 t (a 2 s) loss loss -b/- type k -g/- type k carton norm. liquid clearing norm. liquid visual indicator visual indicator carton weight size cool. cool. pre-arc at 660v cool. cool. indicator for micro indicator for micro qty. (kg) bif # 1000 1350 76000 505000 175 315 170m7058 170m7078 170m7098 170m7118 1250 1700 145000 965000 195 355 170m7059 170m7079 170m7099 170m7119 1400 1900 205000 1400000 205 375 170M7060 170m7080 170m7100 170m7120 1600 2200 305000 2050000 220 405 170m7061 170m7081 170m7101 170m7121 4 2000 2700 600000 3950000 245 445 170m7062 170m7082 170m7102 170m7122 2 1.80 17056328 2500 3400 1200000 7800000 275 495 170m7063 170m7083 170m7103 170m7123 3000 4100 2000000 13500000 305 555 170m7064 170m7084 170m7104 170m7124 3500 4700 3250000 22000000 325 585 170m7065 170m7085 170m7105 170m7125 ?4000 ?5400 4700000 ?28000000 355 640 170m7066 170m7086 170m7106 170m7126 n interrupting rating 200ka (estimated 300ka) rms symmetrical. 1 kg = 2.2 lbs. 1 lb = 0.45 kg n watts loss provided at rated current. n rated voltage (iec) ?600v n liquid cool. = liquid cooling. temperature on the terminals not to exceed 60?. n microswitch indicator ordered separately. 7-11-01 sb01191
form no. page 2 of 2 bif doc #720020 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 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 de sign 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. square body ?flush end contact 690v (iec) 1000-4000a total clearing i 2 t the total clearing i 2 t at rated voltage and at power factor of 15% are given in the electrical characteristics. for other volt- ages, the clearing i 2 t is found by multi- plying by correction factor, k , given as a function of applied working voltage, e g , (rms). arc voltage this curve gives the peak arc voltage, u l , which may appear across the fuse during its operation as a function of the applied working voltage, e g , (rms) at a power factor of 15%. power losses watts loss at rated current is given in the electrical characteristics. the curve allows the calculation of the power loss- es at load currents lower than the rated current . the correction factor, k p , is given as a function of the rms load cur- rent, i b , in % of the rated current . electrical characteristics k 1.5 1.0 0.5 0.4 0.3 0.2 e g 1) 100 200 300 400 500 600 690 u l 1.4 1.2 10 3 6 8 7 9 5 4 3 e g 200 300 400 500 600 690 k p 30 40 50 60 70 80 90 100% i b 1.0 0.8 0.4 0.5 0.6 0.3 0.2 0.1 size f g 4b m10 10 deep 33 4g ?a -13 unc-2b 10 deep 38 dimension in mm. 1mm = 0.0394 1 = 25.4mm 53 105 67 15 f g 105 4 56 dimensions flush end contact: type 4b/-, 4bkn/-, 4g/-, 4gkn/- 1) rated voltage 600v 7-11-01 sb01191
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