UL compliance fuses
Frequency
converter
Bussmann Bussmann Bussmann SIBA Littel fuse
Ferraz-
Shawmut
Ferraz-
Shawmut
200-240 V
HP
Type RK1 Type J Type T Type RK1 Type RK1 Type CC Type RK1
1HP KTN-R10 JKS-10 JJN-10 5017906-010 KLN-R10 ATM-R10 A2K-10R
2HP KTN-R15 JKS-15 JJN-15 5017906-015 KLN-R15 ATM-R15 A2K-15R
3HP KTN-R20 JKS-20 JJN-20 5012406-020 KLN-R20 ATM-R20 A2K-20R
5HP KTN-R30 JKS-30 JJN-30 5012406-030 KLN-R30 ATM-R30 A2K-30R
7.5HP KTN-R50 JKS-50 JJN-50 5012406-050 KLN-R50 - A2K-50R
10HP KTN-R50 JKS-60 JJN-60 5012406-050 KLN-R60 - A2K-50R
15HP KTN-R60 JKS-60 JJN-60 5014006-063 KLN-R60 A2K-60R A2K-60R
20HP KTN-R80 JKS-80 JJN-80 5014006-080 KLN-R80 A2K-80R A2K-80R
25HP KTN-R125 JKS-150 JJN-125 2028220-125 KLN-R125 A2K-125R A2K-125R
30HP KTN-R125 JKS-150 JJN-125 2028220-125 KLN-R125 A2K-125R A2K-125R
40HP FWX-150 - - 2028220-150 L25S-150 A25X-150 A25X-150
50HP FWX-200 - - 2028220-200 L25S-200 A25X-200 A25X-200
60HP FWX-250 - - 2028220-250 L25S-250 A25X-250 A25X-250
Table 4.4: UL fuses, 200 - 240 V
Frequency
converter
Bussmann Bussmann Bussmann SIBA Littel fuse
Ferraz-
Shawmut
Ferraz-
Shawmut
380-480 V, 525-600 V
HP
Type RK1 Type J Type T Type RK1 Type RK1 Type CC Type RK1
1HP KTS-R6 JKS-6 JJS-6 5017906-006 KLS-R6 ATM-R6 A6K-6R
2 - 3HP KTS-R10 JKS-10 JJS-10 5017906-010 KLS-R10 ATM-R10 A6K-10R
5HP KTS-R20 JKS-20 JJS-20 5017906-020 KLS-R20 ATM-R20 A6K-20R
7.5HP KTS-R25 JKS-25 JJS-25 5017906-025 KLS-R25 ATM-R25 A6K-25R
10HP KTS-R30 JKS-30 JJS-30 5012406-032 KLS-R30 ATM-R30 A6K-30R
15HP KTS-R40 JKS-40 JJS-40 5014006-040 KLS-R40 - A6K-40R
20HP KTS-R40 JKS-40 JJS-40 5014006-040 KLS-R40 - A6K-40R
25HP KTS-R50 JKS-50 JJS-50 5014006-050 KLS-R50 - A6K-50R
30HP KTS-R60 JKS-60 JJS-60 5014006-063 KLS-R60 - A6K-60R
40HP KTS-R80 JKS-80 JJS-80 2028220-100 KLS-R80 - A6K-80R
50HP KTS-R100 JKS-100 JJS-100 2028220-125 KLS-R100 A6K-100R
60HP KTS-R125 JKS-150 JJS-150 2028220-125 KLS-R125 A6K-125R
75HP KTS-R150 JKS-150 JJS-150 2028220-160 KLS-R150 A6K-150R
100HP FWH-220 - - 2028220-200 L50S-225 A50-P225
125HP FWH-250 - - 2028220-250 L50S-250 A50-P250
Table 4.5: UL fuses, 380 - 600 V
KTS-fuses from Bussmann may substitute KTN for 240 V frequency converters.
FWH-fuses from Bussmann may substitute FWX for 240 V frequency converters.
KLSR fuses from LITTEL FUSE may substitute KLNR fuses for 240 V frequency converters.
L50S fuses from LITTEL FUSE may substitute L50S fuses for 240 V frequency converters.
A6KR fuses from FERRAZ SHAWMUT may substitute A2KR for 240 V frequency converters.
A50X fuses from FERRAZ SHAWMUT may substitute A25X for 240 V frequency converters.
380-480 V, frame sizes 4X, 5X and 6X
The fuses below are suitable for use on a circuit capable of delivering 100,000 Arms (symmetrical), 240V, or 480V, or 500V, or 600V depending on the drive voltage
rating. With the proper fusing the drive Short Circuit Current Rating (SCCR) is 100,000 Arms.
AF-600 FP Design Guide
75
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