Recommended Fuses For Ul Compliance; Fuse Replacement; Short Circuit Current Rating (Sccr) - Danfoss VLT FC 102 User Manual

Specifications

7.3.2.2 Recommended Fuses for UL Compliance

•
The drive modules are supplied with built-in AC fuses. The modules have been qualified for 100 kA short circuit
current rating (SCCR) for the standard busbar configurations at all voltages (380–690 V AC).
•
The drive system is qualified for 100 kA SCCR with any Class L or Class T UL-listed fuses connected at the input
terminals of the drive modules, if no power options or extra busbars are connected externally.
•
The current rating of the Class L or Class T fuses should not exceed the listed fuse rating in Table 7.20 to Table 7.23.
Drive
modules in
system
2
2
2
2
2
7 7
4
4
4
4
4
Table 7.20 12-Pulse Drive Systems (380–500 V AC)
Any minimum 500 V UL-listed fuse can be used for the 380–500 V AC
drive systems.
Drive
modules in
system
2
4
4
4
4
4
Table 7.21 6-Pulse Drive Systems (380–500 V AC)
Any minimum 500 V UL-listed fuse can be used for the 380–500 V AC
drive systems.

7.3.3 Fuse Replacement

If it becomes necessary to replace an AC or DC fuse, refer to the VLT
Drive Modules DC Fuses Installation Instructions.

7.3.4 Short Circuit Current Rating (SCCR)

The drive modules are supplied with built-in AC fuses. The modules have been qualified for 100 kA short circuit current
rating (SCCR) for the standard busbar configurations at all voltages (380–690 V AC). For more information on short-circuit
protection of the drive modules, see chapter 7.3.1 Protection. For more information on the recommended fuses for CE or UL
compliance, see chapter 7.3.2.1 Recommended Fuses for CE Compliance or chapter 7.3.2.2 Recommended Fuses for UL
Compliance, respectively.
70
VLT
FC 302 FC 102 and FC Recommended
modules 202 modules fuse (maximum)
[kW] [kW]
N250 N315
N315 N355
N355 N400
N400 N450
N450 N500
N500 N560
N560 N630
N630 N710
N710 N800
N800 N1M0
FC 302 FC 102 and FC Recommended
modules 202 modules fuse (maximum)
[kW] [kW]
N450 N500
N500 N560
N560 N630
N630 N710
N710 N800
N800 N1M0
Danfoss A/S © 08/2017 All rights reserved.
®
Parallel Drive Modules
Drive
modules in
system
aR-630 2
aR-630 2
aR-630 2
aR-800 2
aR-800 2
aR-900 2
aR-900 4
aR-1600 4
aR-1600 4
aR-1600 4
4
Table 7.22 12-Pulse Drive Systems (525–690 V AC)
Any minimum 700 V UL-listed fuse can be used for the 525–690 V AC
drive systems.
Drive
modules in
system
aR-1600
aR-2500 4
aR-2500 4
aR-2500 4
aR-2500 4
aR-2500 4
Table 7.23 6-Pulse Drive Systems (525–690 V AC)
Any minimum 700 V UL-listed fuse can be used for the 525–690 V AC
drive systems.
®
FC Series, D-frame Service Manual and the VLT
FC 302 FC 102 and Recommended
modules FC 202 fuse (maximum)
[kW] modules [kW]
N250 N315
N315 N355
N355 N400
N400 N500
N500 N560
N560 N630
N630 N710
N710 N800
N800 N900
N900 N1M0
N1M0 N1M2
FC 302 FC 102 and FC Recommended
modules 202 modules fuse (maximum)
[kW] [kW]
N630 N710
N710 N800
N800 N900
N900 N1M0
N1M0 N1M2
aR-550
aR-630
aR-630
aR-630
aR-630
aR-900
aR-900
aR-900
aR-900
aR-1600
aR-1600
aR-1600
aR-2000
aR-2500
aR-2500
aR-2500
®
Parallel
MG37L202