Tel:
82-32-817-4325
Fax:
82-32-817-4329
Resistors And
Resistive Applications
Mini Braking High Power Resistor Assemblies
[Preliminary]
The MBVA series of high power metal-clad wire wound resistors are designed for industrial high
power applications & dump resistor for wind turbine.The powerful components comprise two,
three or four high power resistors housed in partial steel covers at each end. These models are
specially constructed for overload pulses. They have a thermostat and terminal box as optional.
The most common applications for these models are: motor drives, braking and snubber applications
And power sources for industrial equipment.
■
GENERAL SPECIFICATIONS
Model
MBVA 14400
MBVA 19200
MBVA 20000
MBVA 30000
MBVA 40000
Resistor Type
[Inside]
2ⅩMBV 7200
2ⅩMBV 9600
2ⅩMBV 10800
3ⅩMBV 10800
4ⅩMBV 10800
Rated Power
@25C [W]
3300
4000
4500
6500
8500
*ED5%
52.5
64
72
100
135
Pulse Power [Kw]
*ED10%
*ED20%
26
32
36
52
68
13
16
18
26
34
*ED40%
6.5
8.0
9.0
13
17
*Resistance
range[Ω]
0.5 ~ 100
0.7 ~ 90
0.8 ~ 80
1.0 ~ 50
1.5 ~ 40
J[±5%]
K[±10%]
Tolerance
[%]
* Referred to a cycle duration of 120s * Extended ohmic ranges are available.
■
CHARACTERISTICS
Max.Surface Temperature
Insulation Resistance
Dielectric Strength
Working Voltage
Temperature Coefficient
Short Time Overload
Vaules in [ ] mean change in
Ω
after test
+350℃
20MΩ minimum
Available options : AC1500V,2500V for 1minute,Max leakage current: 2mA
600VAC
Max. ±260ppm/C
5 - 10 X Power rating - in 5~10seconds
±[5%+0.05Ω]
■
SURFACE TEMPERATURE INCREASE VERSUS POWER LOAD & DERATING CURVE
■
DIMENSIONS [mm]
Model
MBVA 14400
MBVA 19200
MBVA 20000
MBVA 30000
MBVA 40000
L1±5
698
798
898
898
898
L2±2
507
607
707
707
707
W1±2
161.5
161.5
161.5
239
316.5
W2±2
192
192
192
269.5
347
H±3
250
250
250
250
250
Approx. weight [Kg]
26
30
33
47
62
Website:
http://www.raraohm.com
Email:
sg@raraohm.com
May 13
th
, 2014
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