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FC 302 - Mains: 525-690V (T7) - 40% Duty Cycle
FC 302
P
m
(HO)
R
min
R
br. nom
R
rec
P
br avg
Order no. Period Cable cross
section
Therm.
Relay
Max. brake
torque with
R
rec
*
T7
[kW]
[
Ω
]
[
Ω
]
[
Ω
]
[kW]
130Bxxxx
[s]
[mm2]
[A]
[%]
P37K
37
18
23.5
22
28
2118
600
6
35
150 (150)
P45K
45
13.5
19.3
18
33
2119
600
10
42
150 (150)
P55K
55
13.5
15.8
15
42
2120
600
16
52
150 (150)
P75K
75
8.8
11.5
11
56
2121
600
25
71
150 (150)
P90K
90
8.8
9.6
9.1
66
2122
600
35
85
146 (150)
P110
110
6.6
7.8
7.5
78
2123
600
50
102
150 (150)
P132
132
4.2
6.5
6.2
96
2124
600
50
124
150 (150)
P160
160
4.2
5.4
5.1
120
2125
600
70
198
150 (150)
P200
200
3.4
4.3
7.8 / 2 = 3.9
2 x 78
2 x 2126
3
*
600
2 x 25
200
150 (150)
P250
250
2.3
3.4
6.6 / 2 = 3.3
2 x 90
2 x 2127
3
*
600
2 x 35
234
150 (150)
P315
315
2.3
2.7
5.4 / 2 = 2.7
2 x 112
2 x 2128
3
*
600
2 x 50
288
150 (150)
Abbreviations for the Tables
*) Resulting max. brake torque when using R
rec
. Using the R
br,nom
will result in maximum brake torque e.g. 160%. The value
in brackets is the drives max. brake torque
2
*) All cabling must comply with national and local regulations on cable cross-sections and ambient temperature. Copper
(60/75°C) conductors are recommended.
3
*) Order the specified amount of Brake Resistors (e.g. 2 x 1062 = 2 pieces of 175U1062). See table header for the first four
characters (175U or 130B).
4
*) Rating for each thermistor relay (using one thermistor relay per resistor).
5
*) Parallel star connection (see the
Installation
chapter).
6
*) Please contact Danfoss for further info.
7
*) With Klixon Switch
P
m
: Rated motor size for VLT type
R
min
: Minimum permissible brake resistor - by drive
R
rec
: Recommended brake resistor (Danfoss)
P
b, max
: Brake resistor rated power as stated by supplier
Therm. relay
: Brake current setting of thermal relay
Code number
: Order numbers for Danfoss Brake Resistors
Cable cross section
: Recommended minimum value based upon PVC insulated copper cable, 30 degree Celsius ambient temperature
with normal heat dissipation
P
pbr,avg
: Brake Resistor average rated power as stages by
R
br,avg
: The nominal (recommended) resistor value to ensure a brake power on motor shaft of 160%/110% for 1 minute
How to Order
FC 300 Design Guide
110
MG.33.BD.02 - VLT
®
is a registered Danfoss trademark
5
5
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