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ALUMINIUM HOUSED COMPACT BRAKE RESISTORS
These resistors are insulated and can easily be mounted in compact constructions. They are specially constructed for high pulse loads compared to the average load. The nominal load can be improved by forced air cooling or by mounting the resistors on a heat sink.
The resistor elements are wirewound on mica support sheets. Lower ohmic values are however made with helix wound elements mounted in a ceramic support part. The outer housing is an aluminium profile insulated with micanite sheets on all inner surfaces. The resistor elements are fixed symmetrical in the profile by the mica construction. This ensures a symmetric expansion of the resistors and a maximum stability to high load impulses. The aluminium profile with the fixed resistor element is filled with quarts sand. This ensures a minimum change of the resistor surface temperature even if the resistor element reaches its maximum temperature during a pulse load. If higher protection classes are required please use our CCR, CBR, CBS, CBT or CMQ resistors. The highest protection class is IP65 / Type 4X, and the power range is up to 14.9 kW
Danotherm offers THERMAL SIMULATION to customers ensuring the right first choice of components
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Bi-Alpha Compact power resistor
nominal load: steady state 45W – 175W
Pulse load: 40s/120s: 75W - 460W
10s/120s 140W - 760W
5s/120s: 500W - 2.5kW
1s/120s: 950W - 4.6kW
BRV type resistors are used as brake resistors in moderate low power drive systems like conveyer belts, elevators and escalators and other drive systems.
Nominal power ranges from 200 - 670W
Flat-Pack CCH
Nominal load: steady state 100W - 570W
Pulse Load: 40s/120s: 300W - 1700W
10s/120s: 1000W - 5.7kW
5s/120s: 1.8 kW - 10.2kW
1s/120s: 2.0kW - 11.4kW
.
IP50 - IP65, Silicone free
Best model for mounting on Heat Sinks
Flat-Pack CDH
Nominal load: steady state 110W - 205W
Pulse Load: 40s/120s: 330W - 615W
10s/120s: 1.3kW - 2.5kW
5s/120s: 2.5W - 4.9kW
1s/120s: 4.0kW - 8.0kW
Nominal load: steady state 55W - 190W
Pulse Load: 40s/120s: 170W - 550W
10s/120s: 500W - 2.3kW
5s/120s: 890W - 4.3kW
1s/120s: 2.5kW - 14 kW
CAR-The smallest large surface profile
Nominal load:
Cable Conn; Steady state: 100W - 350W
Conn. Box; Steady state: 100W - 335W
Pulse Load, Cable connestions
40s/120s: 280W - 950W
10s/120s: 1.2kW - 4.2kW
5s/120s: 2.3kW - 7.6kW
1s/120s: 7kW - 25 kW
. (Pending)
Small resistor types from the CAR, CBR and CCR lines can be mounted easily on DIN Rails.
Resistors mounted this way can be used as Dehumidifier Elements
CBH / CBV
Nominal load: steady state 110W - 330W
Pulse Load: 40s/120s: 300W - 1000W
10s/120s: 900W - 4.3kW
5s/120s: 1400W - 8.5kW
1s/120s: 5kW - 34kW
CBR-The medium sized large surface profile
Nominal load:
Cable Conn; Steady state: 311W - 1700W
Conn. Box; Steady state: 280W - 1290W
Pulse Load, Cable connestions
40s/120s: 900W - 5.2kW
10s/120s: 1.8kW - 14.3kW
5s/120s: 2.7kW - 23.4kW
1s/120s: 10.2kW - 73.1kW
.
IP00, IP20, IP50, IP65; Silicone free
The CBHK/CBVK has been designed with increased insulation meeting the demands for 1000VAC/1440VDC.
CCR-The original, medium sized large surface profile
Nominal load:
Cable Conn; Steady State: 185W -1045W
Conn. Box; Steady State: 140W - 790W
Pulse Load, Cable Connestions
40s/120s: 550W - 4.5kW
10s/120s: 1.2kW - 11kW
5s/120s: 2.5kW - 14kW
1s/120s: 4.5kW - 43kW
.
IP20, IP50, IP65; silicone free.
HVB70 high pulse, high voltage style aluminium housed resistors.
Medium to high power crowbar resistor, 300 – 1150 kJ
HVB70.400.2 570kJ
HVB70.400.4 1100kJ
HVB70.400.6 1700kJ
HVB70.400.8 2200kJ
IP65, dielectric strength 15KVrms@50Hz for 1 minute
CBT- Powerful large surface profile
Nominal load:
Cable Conn; Steady State: 500W - 3200W
Conn. Box; single profile:
Steady State: 500W - 3200W
Connector box; two profiles:
Steady State: 2800W - 5500W
Pulse Load, Cable connestions, one profile
40s/120s: 1.25kW - 9.5kW
10s/120s: 4.2kW - 32kW
5s/120s: 7.6kW - 57kW
1s/120s: 25kW - 190kW
IP20, IP50, IP65; Silicone free
CBS has the same resistor element as the CBT but more compact mechanical outline dimensions.
CBS is optimized for single pulse load applications (i.e. one - two / hour) like
- LVRT (Low Voltage Ride Through) or FRT (Fault Ride Through) Resistors, for Wind Turbines
- Emergency stop applications
- Pre-Charge of transformers and Capacitor Banks
Available as single profile units as well as multiple profile modules, standard or customer specified.
Power range single profile:
Steady state: 410W – 3600W
Single pulse (one per hour):
40s: 3.4 kW – 55 kW
10s: 8.2 kW – 142 kW
5s: 10 kW – 230 kW
1s: 32 kW – 728 kW
IP20, IP50, IP65; “Silicone Free"
CMQ is the largest Pulse Load Resistor in the Alpha Family. The CMQ is optimized for high single pulse loads (i.e. one or two / hour) but capable to handle about 40% more power than CBS types and still maintaining a low surface temperature. Applications are
- LVRT (Low Voltage Ride Through) or FRT (Fault Ride Through) Resistors, forWind Turbines
- Emergency stop applications
- Pre-Charge of transformers and Capacitor Banks
Available as single profile units as well as multiple profile modules, standard or customer specified.
Power range single profile:
Steady state: 725W – 4450W
Single pulse (one per hour):
40s: 2.3 kW – 15 kW
10s: 9.2 kW – 62 kW
5s: 17.3 kW – 125 kW
1s: 53.7 kW – 620 kW
IP20, IP50, IP65; “Silicone Free”
HVBS - High voltage, large surface profile
Nominal load:
Cable Conn; Steady State: 850W - 3500W
Conn. Box; single-case housing:
Steady State: 650W - 2650W
Connector box; double-case housing:
Steady State: 1500W - 6000W
Pulse Load, Cable connestions, single-case housing:
40s/120s: 2.5kW - 12kW
20s/120s: 4.4kW - 23kW
10s/120s: 7.6kW - 46kW
5s/120s: 13kW - 93kW
1s/120s: 42kW - 385kW
The new type of Water Cooled Brake Resistor combining the advantage of water cooling with the high pulse load ability of the traditional aluminium housed Alpha resistors.
Some examples of OEM solutions and modifications of standard products within the Alpha Range are shown here.
