Filter
Top Products
Section 1
General Information
3-8 Receiving & Installation MN722
Protection Devices Be sure a suitable input power protection device is installed. Use the recommended
circuit breaker or fuses listed in Table 3-5 and 3-6. Input and output wire size is based on
the use of copper conductor wire rated at 75 °C. The table is specified for NEMA B
motors.
Circuit Breaker: 3 phase, thermal magnetic.
Equal to GE type THQ or TEB for 230 VAC or
GE type TED for 460 VAC
Fast Action Fuses: 230 VAC, Buss KTN
460 VAC, Buss KTS to 600A (KTU 601 - 1200A)
Very Fast Action: 230 VAC, Buss JJN
460 VAC, Buss JJS
Time Delay Fuses: 230 VAC, Buss FRN
460 VAC, Buss FRS to 600A (KLU 601 - 1200A)
Power Disconnect
A power disconnect should be installed between the input power service and the control
for a fail safe method to disconnect power. The control will remain in a powered-up
condition until all input power is removed from the control and the internal bus voltage is
depleted.
Internal Fuses
Table 3-4 Internal Fuses
Control
Size
Zero Crossing
(Input Interface
Board)
Filter Fuses
(Filter Board)
Control
Transformer
Soft Start
Transformer
Fan Control
Transformer
Size
Rating Type Rating Type Rating Type Rating Type Rating Type
C+
3
/
10
A
500VAC
FLQ-
3
/
10
or
Equiv.
5A
500VAC
FNQ-5 or
Equiv.
3.2A
250VAC
MDA-
3
2
/
10
or
Equiv.
D+
3
/
10
A
500VAC
FLQ-
3
/
10
or
Equiv.
5A
500VAC
FNQ-5 or
Equiv.
3.2A
250VAC
MDA-
3
2
/
10
or
Equiv.
D
3
/
10
A
500VAC
FLQ-
3
/
10
or
Equiv.
10A
600VAC
KTK-10
or Equiv.
3.2A
250VAC
MDA-
3
2
/
10
or
Equiv.
E
3
/
10
A
500VAC
FLQ-
3
/
10
or
Equiv.
10A
600VAC
KTK-10
or Equiv.
3.2A
250VAC
MDA-
3
2
/
10
or
Equiv.
1
/
2
A
250VAC
ABC
1
/
2
or Equiv.
F
3A
600VAC
ATM-3
or Equiv.
3A
500VAC
KTK-3 or
Equiv.
3A
600VAC
KTK-3 or
Equiv.
3A
600VAC
KTK-3 or
Equiv.
G+ 250HP
50A
600VAC
JJS or
Equiv.
3
1
/
2
A
500VAC
FNQ-
3
1
/
2
or
Equiv.
4A
500VAC
FNQ-4 or
Equiv.
3A
500VAC
FNQ-3 or
Equiv.
G+300HP
50A
600VAC
JJS or
Equiv.
3
1
/
2
A
500VAC
FNQ-
3
1
/
2
or
Equiv.
4A
500VAC
FNQ-4 or
Equiv.
3A
500VAC
FNQ-3 or
Equiv.
G+350HP
60A
600VAC
JJS or
Equiv.
3
1
/
2
A
500VAC
FNQ-
3
1
/
2
or
Equiv.
4A
500VAC
FNQ-4 or
Equiv.
3A
500VAC
FNQ-3 or
Equiv.
G+400HP
70A
600VAC
JJS or
Equiv.
3
1
/
2
A
500VAC
FNQ-
3
1
/
2
or
Equiv.
4A
500VAC
FNQ-4 or
Equiv.
3A
500VAC
FNQ-3 or
Equiv.
G+450HP
70A
600VAC
JJS or
Equiv.
3
1
/
2
A
500VAC
FNQ-
3
1
/
2
or
Equiv.
4A
500VAC
FNQ-4 or
Equiv.
3A
500VAC
FNQ-3 or
Equiv.
Not applicable.