8.6.1.2 Fusing
Fuse types
UL fuses: Class J, 600 VAC 200 kA (SCCR rating), time-delay. The fuse must be UL and
CSA listed, UL recognized is not sufficient. Alternate fuses and breakers to Class J must
have similar or better Ip and I²T performance per UL 508A SB4.2 at the necessary SCCR
rating.
CE fuses: types gS or gG, 400 V/500 V, time-delay
Fuse holders: Combined with the standard fuse blocks, finger safe fuse holders must be
used according to IEC 60529.
Automatic circuit breakers: max. rating is 30 A, observe SCCR rating
Group installation fusing: max. rating of fuses or breakers for group installation is 30 A
AC supply, single drives, line fusing
F1, F2, F3: depends on sum of current and cabinet requirements.
Filters for special EMC requirements only (
FN1, FN2, FN3 maximum rating: 30 A.
FN1, FN2, FN3 recommended rating see table below:
Drive
Model
FN1, FN2, FN3:
Ampere rating
Example class J
Eaton
Example class J
Ferraz Shawmut
AKD2G-Sxx-6V03S
10 A (Time-Delay)
LPJ10SP/DFJ10
AJT10/HSJ10
AKD2G-Sxx-6V06S
AKD2G-Sxx-6V03D
10 A (Time-Delay)
LPJ10SP/DFJ10
AJT10/HSJ10
AKD2G-Sxx-6V12S
AKD2G-Sxx-6V06D
15 A (Time-Delay)
LPJ15SP/DFJ15
AJT15/HSJ15
AKD2G-Sxx-7V03S
10 A (Time-Delay)
LPJ10SP/DFJ10
AJT10/HSJ10
AKD2G-Sxx-7V06S
AKD2G-Sxx-7V03D
10 A (Time-Delay)
LPJ10SP/DFJ10
AJT10/HSJ10
AKD2G-Sxx-7V12S
AKD2G-Sxx-7V06D
15 A (Time-Delay)
LPJ15SP/DFJ15
AJT15/HSJ15
AKD2G-S Installation Manual, Safety 1 | 8 Electrical Installation
Kollmorgen | kdn.kollmorgen.com | July 2020
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