Fronius Maximum Fuse Rating AC Side SnapINverter Certificate [EN]

Phases
AC power
Maximum fuse rating
Recommended fuse rating
1
1500 W
C 25 A
C 10 A
1
2000 W
C 25 A
C 16 A
1
2500 W
C 25 A
C 20 A
1
3000 W
C 25 A
C 25 A
1
3100 W
C 25 A
C 25 A
1
3000 W
C 63 A
C 25 A
1
3500 W
C 63 A
C 25 A
1
3600 W
C 63 A
C 32 A
1
4000 W
C 63 A
C 32 A
1
4600 W
C 63 A
C 40 A
1
5000 W
C 63 A
C 40 A
1
6000 W
C 63 A
C 50 A
1
8200 W
C 63 A
C 63 A
3
3000 W
C 25 A
C 10 A
3
3700 W
C 25 A
C 13 A
3
4500 W
C 25 A
C 16 A
3
5000 W
C 25 A
C 16 A
3
6000 W
C 25 A
C 16 A
3
7000 W
C 25 A
C 20 A
3
8200 W
C 25 A
C 20 A
3
10000 W
C 80 A
C 25 A
3
12500 W
C 80 A
C 32 A
3
15000 W
C 80 A
C 40 A
3
17500 W
C 80 A
C 40 A
Wels, 28th of October 2015
MAXIMUM FUSE RATING AC SIDE
Fronius International GmbH
hereby confirms the maximum fuse rating on alternative current (AC) side for the following inverters:
02/2011 1/2
3
20000 W
C 80 A
C 50 A
3 + N
3000 W
C 25 A
C 16 A
3 + N
4000 W
C 25 A
C 16 A
3 + N
5000 W
C 25 A
C 16 A
3
25000 W
C 80 A
C 63 A
3
27000 W
C 80 A
C 63 A
Additional note for Fronius Galvo and Fronius Primo inverters:
Local regulations, the energy supply company or other factors may require a residual current protective device (RCD) in the grid line. For this situation, a type A residual current protective device is generally adequate. In particular cases, and depending on local factors, however, the type A residual current protective device may trip at the wrong time. For this reason, Fronius recommends that a residual current protection device RCD suitable for frequency converters be used.
Additional note for Fronius Symo, Fronius Symo Hybrid and Fronius Eco inverters:
Local regulations, the energy supply company or other factors may require an earth-leakage circuit breaker in the grid line. For this situation, a type A earth-leakage circuit breaker with a tripping current of at least 100 mA is generally adequate. In particular cases, and depending on local factors, however, the type A earth-leakage circuit breaker may trip at the wrong time. For this reason, Fronius recommends that an earth-leakage circuit breaker that is suitable for frequency converters should be used.
Fronius International GmbH
Solar Energy Division Froniusplatz 1 A-4600 Wels
DI Thomas Mühlberger Head of Solution Management
02/2011 2/2
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