Danfoss VLT AutomationDrive FC 302, Operating Manual, Page: 108 / 158

Control card, USB serial communication
USB standard
1.1 (full speed)
USB plug USB type B device 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
10.7.1 Fuse Selection
Installing fuses on the supply side ensures that potential damage is contained inside the drive enclosure if a component
breakdown (first fault) occurs inside the drive. Use the recommended fuses to ensure compliance with EN 50178, refer to
Table 10.7 , Table 10.8 , and Table 10.9 .
NOTICE
Use of fuses on the supply side is mandatory for IEC 60364 (CE) and NEC 2009 (UL) compliant installations.
D1h–D8h recommended fuses
Model Bussmann part number
N45K 170M2620
N55K 170M2621
N75K 170M4015
N90K 170M4015
N110 170M4016
N150 170M4018
Table 10.7 D1h–D8h Power/Semiconductor Fuse Options, 200–240 V
Model Bussmann part number
N90K 170M2619
N110 170M2620
N132 170M2621
N160 170M4015
N200 170M4016
N250 170M4018
Table 10.8 D1h–D8h Power/Semiconductor Fuse Options, 380–500 V
Model Bussmann part number
N55K 170M2616
N75K 170M2619
N90K 170M2619
N110 170M2619
N132 170M2619
N160 170M4015
N200 170M4015
N250 170M4015
N315 170M4015
Table 10.9 D1h–D8h Power/Semiconductor Fuse Options, 525–690 V
Specifications VLT® AutomationDrive FC 302
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