Alternative Brake Resistors, T2 And T4 - Danfoss VLT AQUA Drive FC 202 Design Manual

Typecode and Selection

6.2.6 Alternative Brake Resistors, T2 and T4

Mains
P
m
R
min
R
rec
Duty cycle
Part number
P
br,cont.
R
br,nom
Table 6.15 Abbreviations used in Table 6.16 to Table 6.17
Mains: 200-240 V, T2
6 6
FC 202
T2
PK25
PK37
PK55
PK55
PK75
PK75
P1K1
P1K1
P1K5
P1K5
P2K2
P3K0
P3K7
P3K7
P5K5
Table 6.16 Mains: 200-240 V (T2), Alternative Brake Resistors
Mains: 380-480 V, T4
FC 202
T4
PK75
P1K1
P1K1
P1K5
P1K5
P2K2
P3K0
P4K0
P4K0
P5K5
P7K5
Table 6.17 Mains: 380-480 V (T4), Alternative Brake Resistors
128
Design Guide
Voltage class
Rated motor size for frequency converter type
Minimum permissible brake resistor - by frequency converter
Recommended brake resistor resistance of Danfoss brake resistors
P x100/Pm
br,cont.
Danfoss brake resistor order numbers
Brake resistor average rated power.
The nominal (calculated) resistor value to ensure a brake power on motor shaft of 150/160/110% for 1 minute
P R
m min
[kW] [Ω]
0.25 380
0.37 380
0.55 275
0.55 275
0.75 188
0.75 188
1.1 130
1.1 130
1.5 81.0
1.5 81.0
2.2 58.5
3 45.0
3.7 31.5
3.7 31.5
5.5 22.5
P R
m min
[kW] [Ω]
0.75 620
1.1 546
1.1 546
1.5 382
1.5 382
2.2 260
3 189
4 135
4 135
5.5 99.0
7.5 72.0
Danfoss A/S © 09/2014 All rights reserved.
R R per item/P
br,nom rec br,cont.
[Ω] [Ω/W]
691.3 430/100
466.7 430/100
313.7 330/100
313.7 310/200
230.0 220/100
230.0 210/200
152.9 150/100
152.9 150/200
110.5 100/100
110.5 100/200
74.1 72/200
53.7 50/200
39.9 35/200
39.9 72/200
28.7 40/200
R R per item/P
br,nom rec br,cont.
[Ω] [Ω/W]
910.2 830/100
607.3 620/100
607.3 620/200
437.3 430/100
437.3 430/200
293.3 310/200
212.7 210/200
157.3 150/200
157.3 300/200
113.3 130/200
82.4 80/240
Flat-pack IP65
Duty cycle Danfoss part number
% 175Uxxxx
40 1002
27 1002
18 1003
36 0984
13 1004
26 0987
9 1005
18 0989
7 1006
14 0991
9 0992
7 0993
6 0994
11 2 x 0992
7 2 x 0996
Flat-pack IP65
Duty cycle Danfoss part number
% 175Uxxxx
13 1000
9 1001
18 0982
7 1002
14 0983
9 0984
7 0987
5 0989
10 2 x 0985
7 2 x 0990
6 2 x 0090
MG20N602