Fuses And Circuit Breakers - Danfoss VLT AutomationDrive FC 361 Operating Manual

Specifications
Control card, USB serial communication
USB standard
USB plug
NOTICE
Connection to PC is carried out via a standard host/device USB cable.
The USB connection is galvanically isolated from the supply voltage (PELV) and other high-voltage terminals.
The USB connection is not galvanically isolated from ground. Use only isolated laptop/PC as connection to the USB
connector on the drive or an isolated USB cable/converter.

10.7 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.
J8–J9 recommended fuses
Type aR fuses are recommended for enclosures J8–J9. See Table 10.3.
Model
N90K
N110
N132
N160
N200
N250
N315
Table 10.3 J8–J9 Power/semiconductor Fuse Sizes
Model
Bussman Littelfuse
N90K 170M2619 LA50QS300-4
N110 170M2619 LA50QS300-4
N132 170M2620 LA50QS350-4
N160 170M2621 LA50QS400-4
N200 170M4015 LA50QS500-4
N250 170M4016 LA50QS600-4
N315 170M4017 LA50QS800-4
Table 10.4 J8–J9 Power/semiconductor Fuse Options, 380–480 V
Bussmann
LPJ-21/2SP
Table 10.5 J8–J9 Space Heater Fuse Recommendation
NOTICE
DISCONNECT SWITCH
All units ordered and supplied with a factory-installed disconnect switch require Class L branch circuit fusing to meet
the 100 kA SCCR for the drive. If a circuit breaker is used, the SCCR rating is 42 kA. The input voltage and power rating
of the drive determines the specific Class L fuse. The input voltage and power rating is found on the product
nameplate. For more information regarding the nameplate, see chapter 4 Mechanical Installation.
MG06I102
Operating Guide
Fuse Options
Littelfuse Bussmann
L50S-300 FWH-300A 20 189 20.315
L50S-300 FWH-300A 20 189 20.315
L50S-350 FWH-350A 20 189 20.350
L50S-400 FWH-400A 20 189 20.400
L50S-500 FWH-500A 20 610 31.550
L50S-600 FWH-600A 20 610 31.630
L50S-800 FWH-800A 20 610 31.800
Danfoss A/S © 06/2018 All rights reserved.
USB type B device plug
380–480 V
ar-315
ar-315
ar-350
ar-400
ar-500
ar-630
ar-800
Siba Ferraz-
Shawmut
A50QS300-4
A50QS300-4
A50QS350-4
A50QS400-4
A50QS500-4
A50QS600-4
A50QS800-4
Rating
2.5 A, 600 V
1.1 (full speed)
10
Ferraz-Shawmut
(Europe)
6,9URD31D08A0315
6,9URD31D08A0315
6,9URD31D08A0350
6,9URD31D08A0400
6,9URD31D08A0550
6,9URD31D08A0630
6,9URD32D08A0800
63
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