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MFC Kit Instructions
MFC "R" Filter Kit – Sine Wave Filter Kit without damping resistor
The MFC Filter Kit is a sine wave filter component package designed and developed by TCI to allow
qualified customers to build sine wave filters to for the output of VFDs. The filter components are
designed to filter out PWM switching ripple when applied correctly and following the schematic
connections used by TCI. The MFC Filter Kit is available for 480 Volt and 600 Volt systems. When
properly designed, assembled, and installed, the completed product is intended to be suitable for use
with 3-phase PWM AC VFDs.
The MFC "R" Filter Kit component package consists of the following components:
• A KTRMG or KLRUL series filter reactor.
o The 480 V/900 HP and larger units include two reactors that need to be wired in
• High-endurance, PWM ripple current rated capacitors.
o Bleeder resistors to ensure safe capacitor discharge on filter shutdown, located on
• Capacitor mounting brackets
o Capacitor mounting brackets are provided on kits rated 50 Amps and higher.
o Kits under 50 Amps are not provided with capacitor brackets because these units
• Note: There are no damping resistors included, these kits are most suitable for VFD
applications with low load and VFD dynamics
MFC "R" Filter Kit Part Number and Ratings
parallel.
capacitors.
utilize single phase capacitors that do not have mounting brackets available for them.
These small size single phase capacitors are typically mounted vertically due to the
small size and reduced use of panel space.
HP
Amp 480 Volt Model
5
8
MFC008AR
7.5
12
MFC012AR
10
16
MFC016AR
15
23
MFC023AR
20
30
MFC030AR
25
35
MFC035AR
30
45
MFC045AR
40
55
MFC055AR
50
65
MFC065AR
60
80
MFC080AR
75
110
MFC110AR
100
130
MFC130AR
125
160
MFC160AR
150
200
MFC200AR
200
250
MFC250AR
250
305
MFC305AR
300
362
MFC362AR
350
420
MFC420AR
400
480
MFC480AR
450
540
MFC540AR
500
600
MFC600AR
600
750
MFC750AR
700
850
MFC850AR
800
960
MFC960AR
900
1080
MFC1080AR
1000 1200
MFC1200AR
3.0 Pre-Installation Planning
HP
Amp
5
8
7.5
10
10
12
15
20
20
25
25
28
30
35
40
45
50
55
60
65
75
80
100
110
125
130
150
160
200
200
250
250
300
305
350
362
400
420
450
450
500
500
600
600
750
750
11
575/600 Volt Model
MFC008CR
MFC010CR
MFC012CR
MFC020CR
MFC025CR
MFC028CR
MFC035CR
MFC045CR
MFC055CR
MFC065CR
MFC080CR
MFC110CR
MFC130CR
MFC160CR
MFC200CR
MFC250CR
MFC305CR
MFC362CR
MFC420CR
MFC450CR
MFC500CR
MFC600CR
MFC750CR
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