Selection Tables For Alternative Brake Resistors; Abbreviations Used In The Brake Resistor Tables; Vlt ® Hvac Drive Fc 102, T2; Vlt ® Hvac Drive Fc 102, T4 - Danfoss VLT Brake Resistor MCE 101 Design Manual

Selection Guide

8.3 Selection Tables for Alternative Brake Resistors

8.3.1 Abbreviations used in the Brake Resistor Tables

Mains
P
m
R
min
R
rec
Duty cycle
Danfoss part number Danfoss brake resistor order numbers
P
br,cont.
R
br,nom
8.3.2 VLT ®
Mains: 200-240 V, T2
FC 102
T2
P1K1
8 8
P1K1
P1K5
P1K5
P2K2
P3K0
P3K7
P3K7
Table 8.37 Mains: 200-240 V (T2)
8.3.3 VLT ®
Mains: 380-480 V, T4
FC 102
T4
P1K1
P1K1
P1K5
P1K5
P2K2
P3K0
P4K0
P4K0
P5K5
Table 8.38 Mains: 380-480 V (T4)
62
Voltage class
Rated motor size for frequency converter
Minimum permissible brake resistor - by frequency converter
Recommended brake resistor resistance of Danfoss brake resistors
P x100/Pm
br,cont.
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
HVAC Drive FC 102, T2
P R
m min
[kW] [Ω]
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
HVAC Drive FC 102, T4
P R
m min
[kW] [Ω]
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
Danfoss A/S © Rev. 05/2014 All rights reserved.
Design Guide
R R per item/P
br,nom rec
[Ω] [Ω/W]
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
R R per item/P
br,nom rec
[Ω] [Ω/W]
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
Flat-pack IP65
Duty cycle Danfoss part number
br,cont.
%
9
18
7
14
9
7
6
11
Flat-pack IP65
Duty cycle Danfoss part number
br,cont.
%
9
18
7
14
9
7
5
20
7
175Uxxxx
1005
0989
1006
0991
0992
0993
0994
2x0992
175Uxxxx
1001
0982
1002
0983
0984
0987
0989
2x0985
2x0990
MG90O202