116 Technical data
Fuses
UL class T or L fuses for branch circuit protection per NEC are listed below. Fast
acting class T or faster fuses are recommended in the USA.
Check from the fuse time-current curve that the operating time of the fuse is below
0.1 seconds. The operating time depends on the supply network impedance and the
cross-sectional area and length of the supply cable. The short-circuit current can be
calculated as shown on page 103.
UL class T and L fuses
ACS800-U4
type
Input
current
Fuse
A A V Manufacturer Type UL class
Three-phase supply voltage 208 V, 220 V, 230 V, 240 V
-0080-2 201 250 600 Bussmann JJS-250 T
-0100-2 239 300 600 Bussmann JJS-300 T
-0120-2 285 400 600 Bussmann JJS-400 T
-0140-2 391 500 600 Bussmann JJS-500 T
-0170-2 428 600 600 Bussmann JJS-600 T
-0210-2 506 600 600 Bussmann JJS-600 T
-0230-2 599 800 600 Ferraz A4BY800 L
-0260-2 677 800 600 Ferraz A4BY800 L
-0300-2 707 900 600 Ferraz A4BY900 L
Three-phase supply voltage 380 V, 400 V, 415 V, 440 V, 460 V, 480 V or 500 V
-0170-5 175 250 600 Bussmann JJS-250 T
-0210-5 220 300 600 Bussmann JJS-300 T
-0260-5 267 400 600 Bussmann JJS-400 T
-0270-5 293 500 600 Bussmann JJS-500 T
-0300-5 331 500 600 Bussmann JJS-500 T
-0320-5 397 500 600 Bussmann JJS-500 T
-0400-5 467 600 600 Bussmann JJS-600 T
-0440-5 501 800 600 Ferraz A4BY800 L
-0490-5 542 800 600 Ferraz A4BY800 L
-0550-5 614 900 600 Ferraz A4BY900 L
-0610-5 661 900 600 Ferraz A4BY900 L
Three-phase supply voltage 525 V, 575 V or 600 V
-0140-7 117 200 600 Bussmann JJS-200 T
-0170-7 146 200 600 Bussmann JJS-200 T
-0210-7 184 250 600 Bussmann JJS-250 T
-0260-7 199 300 600 Bussmann JJS-300 T
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