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Available sections
2.4
Active front-end section
The active front-end section (AFS) includes an LCL-filter and an NXA unit from the VACON
family. The active front-end provides low THD(I) and several units can be connected in parallel
providing full or reduced redundancy.
AFS type
/
AFS_9*
**
/
AFS_10*
**
/
AFS_13*
**
/
AFS_13_2x*
**
* _M selection for mirrored design.
** +AC, AC busbars for two or more AFS sections after the MIS section, limited to 2600A per side of the
MIS.
*** Dimensions including LCL.
As standard the AFS sections include the following (see Figure 3):
1. LCL Filter
2. The NXA unit
3. Control unit
4. Pre-charging components (installed in MIS section)
5. Terminals for control and indication signals (installed in MIS or ADS section)
6. DC fuses for the Supply Unit
7. AC fuses for the filter (installed in MIS section)
As pre-engineered standard options we can provide the following:
• UL approved design and components (+NAR)
• Arc detection (+ADU)
• Cabinet heater (+ACH)
• Cabinet light (+ACL)
24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com
Table 8. Available AFS sections
Drive size
Width x Height x Depth (mm)
FI9
FI10
FI13
FI13
800 x 2100 x 605***
800 x 2100 x 605***
1400 x 2100 x 605***
3200 x 2300 x 605***
vacon • 13
®
product
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