Danfoss AHF 010, Руководство по конструкции

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7.5 Fuses
To protect the installation against electrical and fire hazards, all filters in an installation must be protected against short-
circuiting and overcurrent according to national and international regulations.
To protect both frequency converter and filter, select the type of fuses recommended in the frequency converter design
guide . The maximum fuse rating per filter size is listed in Table 7.24 to Table 7.27 .
Filter current rating Maximum fuse size Fuses
[A] [A] (type)
10 16 gRL 690 V AC
14 35 gRL 690 V AC
22 35 gRL 690 V AC
29 50 gRL 690 V AC
34 50 gRL 690 V AC
40 63 gRL 690 V AC
55 80 gRL 690 V AC
66 125 gRL 690 V AC
82 160 gRL 690 V AC
96 250 gRL 690 V AC
133 250 gRL 690 V AC
171 315 gRL 690 V AC
204 350 gRL 690 V AC
251 400 gRL 690 V AC
304 500 gRL 690 V AC
325 630 gRL 690 V AC
381 630 gRL 690 V AC
480 800 gRL 690 V AC
Table 7.24 380–415 V, 50 Hz and 60 Hz
Filter current rating Maximum fuse size Fuses 1)
[A] [A] (type)
10 20 Class J, 600 V AC, rated circuit breaker capacity 100 kA
14 35 Class J, 600 V AC, rated circuit breaker capacity 100 kA
19 35 Class J, 600 V AC, rated circuit breaker capacity 100 kA
25 50 Class J, 600 V AC, rated circuit breaker capacity 100 kA
31 50 Class J, 600 V AC, rated circuit breaker capacity 100 kA
36 60 Class J, 600 V AC, rated circuit breaker capacity 100 kA
48 80 Class J, 600 V AC, rated circuit breaker capacity 100 kA
60 125 Class J, 600 V AC, rated circuit breaker capacity 100 kA
73 150 Class J, 600 V AC, rated circuit breaker capacity 100 kA
95 250 Class J, 600 V AC, rated circuit breaker capacity 100 kA
118 250 Class J, 600 V AC, rated circuit breaker capacity 100 kA
154 300 Class J, 600 V AC, rated circuit breaker capacity 100 kA
183 350 Class J, 600 V AC, rated circuit breaker capacity 100 kA
231 400 Class J, 600 V AC, rated circuit breaker capacity 100 kA
291 600 Class J, 600 V AC, rated circuit breaker capacity 100 kA
355 600 Class J, 600 V AC, rated circuit breaker capacity 100 kA
380 600 Class J, 600 V AC, rated circuit breaker capacity 100 kA
436 600 Class J, 600 V AC, rated circuit breaker capacity 100 kA
Table 7.25 440–480 V, 60 Hz
1) Specified type is a UL requirement.
Specifications Design Guide
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