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N O T I C E
SPARE PARTS COMPATIBILITY
Danfoss recommends replacement of all IGBT modules or all brake IGBT modules when 1 or more modules fail.
For best results, replace modules with parts from the same lot number.
Table 1: Number of IGBT Modules Required by iC7 Series Frequency Converters
Frame designation
IGBT modules
Brake IGBT modules
FX09–Fx10 (no brake)
3
0
FX09–Fx10 (with brake option)
3
1
FX11–Fx12 (no brake)
6
0
FX11–Fx12 (with brake option)
6
2
Table 2: Number of IGBT Modules Required by VLT
®
FC Series Drives
Drive designation
IGBT modules
Brake IGBT modules
E1h–E4h (no brake)
6
0
E1h–E4h (with brake option)
6
2
1.2 Kit Numbers
Use these instructions with the following kits.
Table 3: IGBT Module Replacement Kits for iC7 Series Fx09–Fx12 Frequency Converters
Kit number
Description
176F3944
IGBT dual module 300 A 1200 V Fx09
176F3945
IGBT dual module 450 A 1200 V Fx09
176F3949
IGBT dual module 600 A 1200 V Fx09
176F3943
IGBT module 900 A 1200 V Fx10
176F4141
IGBT brake module 450 A 1700 V Fx09
176F4143
IGBT brake module 650 A 1700 V Fx10
176F3950
IGBT dual module 600 A 1200 V Fx11
176F3956
IGBT module 900 A 1200 V Fx12
AN361427984575en-000101 / 130R0770 | 1
Danfoss A/S © 2022.03
Installation Guide
IGBT Module Replacement for Fx09-Fx12
and
E1h–E4h
iC7 Series Frequency Converters and VLT® FC Series Drives
1 Overview
1.1 Description
This IGBT module replacement kit contains all components required to replace 1 IGBT module or 1 brake IGBT module. For the num-
ber of IGBTs installed in the frequency converter, see
.
