Dynamic Braking Resistors  
 
D.B.R. Current in AMP Resistance Per Grid in OHM
700
0.033
600
0.050
500
0.067
450
0.081
350
0.121
275
0.200
150
0.275
95
0.465
60
0.870
Grid Capacity for Dynamic Braking Period Upto 10 Seconds
Resistance +- 10% Continuous Current Rating
0.018
106
0.025
106
0.035
92
0.050
80
0.080
62
0.100
55
0.150
45
0.250
37
0.370
27
0.560
20
0.750
14
1.000
14
2.000
11
 
 
Typical Resistance Values Tolerance +- 10%
Continuous Current Ratings at 2800C Temperature Rise
Ohms 0.5 0.6 0.75 1.0 1.3 1.7 2.2 2.8 3.5 4 5 6.5 9 13 16
Ampers 28 24 20 16 16 14 11 11 9 9 8 6.5 5 3.8 3.2
 
 
Motor Starting Resistor
Maximum Current Max. Resistance through DBR - 1P(Amps) per tube - Ohms
72 1.4
56
1.8
43
3.0
35
4.4
28
5.5
21
5.5
21
10.0
15
14.0
11
17.0