Bussmann
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High Speed Fuses<br />
British Standard BS88: Part 4<br />
<strong>Bussmann</strong> ®<br />
690Vac/500Vdc 6-700A<br />
Interrupting Rating: 200kA RMS Symmetrical.<br />
UL Recognized, Std. 248-13, Watts loss provided at rated current.<br />
MT, MMT and additional ratings of ET and EET are available for replacement purposes on existing<br />
equipment and are BS 88: Part 4 approved.<br />
Electrical Characteristics<br />
I 2 t (A 2 SEC)<br />
Rated Current Clearing Clearing Watts<br />
Size RMS-Amps Pre-arc at 415V at 660V Loss<br />
6 1.8 8.5 12 2<br />
10 7 30 48 3<br />
CT 12 10 40 65 3<br />
16 16 66 110 7<br />
20 32 150 220 7<br />
25 25 150 250 7<br />
32 32 190 350 11<br />
35 52 310 500 11<br />
ET<br />
40 103 600 900 9<br />
45 103 680 1100 11<br />
56 135 950 1500 14<br />
63 171 1200 2000 16<br />
80 360 2500 4000 18<br />
35 33 130 200 9<br />
40 52 180 300 9<br />
45 76 270 450 11<br />
50 103 380 600 11<br />
FE 63 135 480 750 12<br />
71 210 600 950 17<br />
80 250 900 1500 20<br />
90 360 1300 2100 20<br />
100 470 1800 2800 23<br />
90 490 3000 4500 19<br />
EET<br />
110 600 4000 6500 27<br />
140 1050 7000 12000 35<br />
160 1500 10000 17000 39<br />
100 400 1600 2400 24<br />
120 540 1900 3100 32<br />
FEE<br />
140 850 2500 3800 36<br />
160 1000 3700 5700 46<br />
180 1400 5300 8400 46<br />
200 1900 7100 11400 52<br />
180 1400 7500 13500 40<br />
200 2600 10500 18500 40<br />
225 3700 14500 26500 44<br />
FM 250 5200 20500 37500 48<br />
280 7000 30500 55000 48<br />
315 10000 40000 77000 55<br />
350 15000 60000 105000 55<br />
400 10000 40000 72500 85<br />
450 15000 60000 105000 90<br />
FMM<br />
500 20000 82000 150000 100<br />
550 30000 120000 215000 100<br />
630 45000 180000 310000 100<br />
700 60000 245000 420000 120<br />
160 2400 15000 25000 26<br />
180 3800 25000 38000 26<br />
200 6000 40000 58000 27<br />
MT† 250 11500 80000 110000 32<br />
280 16500 100000 150000 35<br />
315 19000 125000 180000 42<br />
355 22000 160000 200000 51<br />
180 1650 12000 18000 42<br />
200 2200 16000 23000 42<br />
225 3700 26000 40000 42<br />
280 6600 47000 70000 47<br />
315 8600 62000 91000 51<br />
MMT† 355 13500 97000 140000 54<br />
400 21000 150000 220000 60<br />
450 30000 220000 320000 57<br />
500 42000 300000 450000 64<br />
560 60000 430000 640000 64<br />
630 68500 500000 720000 86<br />
710 78000 600000 850000 105<br />
Ordering Information<br />
Part Number Carton Qty. Carton Weight (Kg)<br />
6CT 20 0.160<br />
10CT 20 0.160<br />
12CT 20 0.160<br />
16CT 20 0.160<br />
20CT 20 0.160<br />
25ET 10 0.420<br />
32ET 10 0.420<br />
35ET 10 0.420<br />
40ET 10 0.420<br />
45ET 10 0.420<br />
56ET 10 0.420<br />
63ET 10 0.420<br />
80ET 10 0.420<br />
35FE 10 0.420<br />
40FE 10 0.420<br />
45FE 10 0.420<br />
50FE 10 0.420<br />
63FE 10 0.420<br />
71FE 10 0.420<br />
80FE 10 0.420<br />
90FE 10 0.420<br />
100FE 10 0.420<br />
90EET 5 0.450<br />
110EET 5 0.450<br />
140EET 5 0.450<br />
160EET 5 0.450<br />
100FEE 5 0.450<br />
120FEE 5 0.450<br />
140FEE 5 0.450<br />
160FEE 5 0.450<br />
180FEE 5 0.450<br />
200FEE 5 0.450<br />
180FM 1 0.240<br />
200FM 1 0.240<br />
225FM 1 0.240<br />
250FM 1 0.240<br />
280FM 1 0.240<br />
315FM 1 0.240<br />
350FM 1 0.240<br />
400FMM 1 0.450<br />
450FMM 1 0.450<br />
500FMM 1 0.450<br />
550FMM 1 0.450<br />
630FMM 1 0.450<br />
700FMM 1 0.450<br />
160MT 1 0.260<br />
180MT 1 0.260<br />
200MT 1 0.260<br />
250MT 1 0.260<br />
280MT 1 0.260<br />
315MT 1 0.260<br />
355MT 1 0.260<br />
180MMT 1 .0470<br />
200MMT 1 .0470<br />
225MMT 1 .0470<br />
280MMT 1 .0470<br />
315MMT 1 .0470<br />
355MMT 1 .0470<br />
400MMT 1 .0470<br />
450MMT 1 .0470<br />
500MMT 1 .0470<br />
560MMT 1 .0470<br />
630MMT 1 .0470<br />
710MMT 1 .0470<br />
Note: 8ET, 12ET, 15ET, 20ET, 65EET and 75EET are available for replacement purposes on existing equipment (not UL recognized).<br />
† 350Vdc (IEC) rating. No UL Recognition.<br />
Data Sheet: 720024<br />
For complete specification data, call <strong>Bussmann</strong> Information Fax ~ 636.527.1450<br />
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