Danfoss VLT AutomationDrive FC 300 Series - CE Compliance

If fuses/Circuit Breakers according to recommendations are
chosen, possible damages on the frequency converter will
mainly be limited to damages inside the unit.
For further information see Application Note Fuses and
Circuit Breakers.
7.2.3 CE Compliance
Fuses or Circuit Breakers are mandatory to comply with IEC
60364. Danfoss recommend using a selection of the
following.
The fuses below are suitable for use on a circuit capable of
delivering 100,000 Arms (symmetrical), 240 V, 480 V, 500 V,
600 V, or 690 V depending on the frequency converter
voltage rating. With the proper fusing the frequency
converter short circuit current rating (SCCR) is 100,000
Arms.
The following UL listed fuses are suitable:
•
UL248-4 class CC fuses
•
UL248-8 class J fuses
•
UL248-12 class R fuses (RK1)
•
UL248-15 class T fuses
The following max. fuse size and type have been tested:
Enclosure
size
Power [kW] Recommended
fuse size
Recommended
Max. fuse
Recommended circuit
breaker
Moeller
Max trip level [A]
A1 0.25-1.5 gG-10 gG-25 PKZM0-16 16
A2 0.25-2.2 gG-10 (0.25-1.5)
gG-16 (2.2)
gG-25 PKZM0-25 25
A3 3.0-3.7 gG-16 (3)
gG-20 (3.7)
gG-32 PKZM0-25 25
B3 5.5 gG-25 gG-63 PKZM4-50 50
B4 7.5-15 gG-32 (7.5)
gG-50 (11)
gG-63 (15)
gG-125 NZMB1-A100 100
C3 18.5-22 gG-80 (18.5)
aR-125 (22)
gG-150 (18.5)
aR-160 (22)
NZMB2-A200 150
C4 30-37 aR-160 (30)
aR-200 (37)
aR-200 (30)
aR-250 (37)
NZMB2-A250 250
A4 0.25-2.2 gG-10 (0.25-1.5)
gG-16 (2.2)
gG-32 PKZM0-25 25
A5 0.25-3.7 gG-10 (0.25-1.5)
gG-16 (2.2-3)
gG-20 (3.7)
gG-32 PKZM0-25 25
B1 5.5-7.5 gG-25 (5.5)
gG-32 (7.5)
gG-80 PKZM4-63 63
B2 11 gG-50 gG-100 NZMB1-A100 100
C1 15-22 gG-63 (15)
gG-80 (18.5)
gG-100 (22)
gG-160 (15-18.5)
aR-160 (22)
NZMB2-A200 160
C2 30-37 aR-160 (30)
aR-200 (37)
aR-200 (30)
aR-250 (37)
NZMB2-A250 250
Table 7.19 200-240 V, Frame Sizes A, B and C
Electrical Installation
VLT
®
AutomationDrive FC 300 Design Guide, 0.25-75 kW
MG33BE02 - VLT
®
is a registered Danfoss trademark 123
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