10.5 Fuses and Circuit Breakers
Fuses ensure that possible damage to the drive is limited to damages inside the unit. To ensure compliance with EN 50178,
use the recommended fuses as replacements. Use of fuses on the supply side is mandatory for IEC 60364 (CE) and NEC 2009
(UL) compliant installations.
D1h–D8h recommended fuses
Type aR fuses are recommended for enclosures D1h–D8h. See
.
Model
380–500 V
525–690 V
N55K
–
ar-160
N75K
–
ar-315
N90K
ar-315
ar-315
N110
ar-350
ar-315
N132
ar-400
ar-315
N160
ar-500
ar-550
N200
ar-630
ar-550
N250
ar-800
ar-550
N315
–
ar-550
Table 10.9 D1h–D8h Power/semiconductor Fuse Sizes
Model
Fuse Options
Bussman
Littelfuse
Littelfuse
Bussmann
Siba
Ferraz-
Shawmut
Ferraz-Shawmut
(Europe)
Ferraz-Shawmut
(North America)
N90K
170M2619 LA50QS300-4 L50S-300
FWH-300A
20 189 20.315
A50QS300-4
6,9URD31D08A0315
A070URD31KI0315
N110
170M2620 LA50QS350-4 L50S-350
FWH-350A
20 189 20.350
A50QS350-4
6,9URD31D08A0350
A070URD31KI0350
N132
170M2621 LA50QS400-4 L50S-400
FWH-400A
20 189 20.400
A50QS400-4
6,9URD31D08A0400
A070URD31KI0400
N160
170M4015 LA50QS500-4 L50S-500
FWH-500A
20 610 31.550
A50QS500-4
6,9URD31D08A0550
A070URD31KI0550
N200
170M4016 LA50QS600-4 L50S-600
FWH-600A
20 610 31.630
A50QS600-4
6,9URD31D08A0630
A070URD31KI0630
N250
170M4017 LA50QS800-4 L50S-800
FWH-800A
20 610 31.800
A50QS800-4
6,9URD32D08A0800
A070URD31KI0800
Table 10.10 D1h–D8h Power/semiconductor Fuse Options, 380–500 V
Model
Bussmann
Siba
Ferraz-Shawmut European
Ferraz-Shawmut North American
N55K
170M2616
20 610 31.160
6,9URD30D08A0160
A070URD30KI0160
N75K
170M2619
20 610 31.315
6,9URD31D08A0315
A070URD31KI0315
N90K
170M2619
20 610 31.315
6,9URD31D08A0315
A070URD31KI0315
N110
170M2619
20 610 31.315
6,9URD31D08A0315
A070URD31KI0315
N132
170M2619
20 610 31.315
6,9URD31D08A0315
A070URD31KI0315
N160
170M4015
20 620 31.550
6,9URD32D08A0550
A070URD32KI0550
N200
170M4015
20 620 31.550
6,9URD32D08A0550
A070URD32KI0550
N250
170M4015
20 620 31.550
6,9URD32D08A0550
A070URD32KI0550
N315
170M4015
20 620 31.550
6,9URD32D08A0550
A070URD32KI0550
Table 10.11 D1h–D8h Power/semiconductor Fuse Options, 525–690 V
Bussmann
Rating
LPJ-21/2SP
2.5 A, 600 V
Table 10.12 D1h–D8h Space Heater Fuse Recommendation
If the drive is not supplied with a mains disconnect, contactor, or circuit breaker, the Short Circuit Current Rating (SCCR) of
the drives is 100000 A at all voltages (380–690 V).
If the drive is supplied with a mains disconnect, the SCCR of the drive is 100000 amps at all voltages (380–690 V).
If the drive is supplied with a circuit breaker, the SCCR depends on the voltage. See
Electrical Installation Con...
Design Guide
MG38C202
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