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α ALPHA - Aluminum Housed Brake Resistors 

     

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 isolated 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 or CBT resistors. The highest protection class is IP65 / Type 4X, and the power range is up to 6 kW
Danotherm offers THERMAL SIMULATION to customers ensuring the right first choice of components
  CAH/CAVNominal 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

  CBH/CBVNominal load: steady state 110W - 330W 
Pulse Load:    40s/120s:    330W - 1000W
                     10s/120s:   1000W - 4.5kW
                      5s/120s:    1800W - 8.3kW
                      1s/120s:     5.5kW - 25 kW
.
  CBHK/CBVKThe CBHK/CBVK has been designed with increased insulation meeting the demands for 1000VAC/1440VDC. 

  CCHFlat-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
  CDHFlat-Pack CDH
Nominal load: steady state 110W -  205W 
Pulse Load:    40s/120s:     330W - 615W
                     10s/120s:    1.3kW - 2.4kW
                      5s/120s:      2.5W - 4.9kW
                      1s/120s:     4.0kW - 8.0kW
  CARCAR-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)
  ALPHA DIN Rail mountingSmall 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
  CBRCBR-The medium sized large surface profile
Nominal load: 
Cable Conn; Steady state: 220W - 1700W
Conn. Box;  Steady state: 280W - 1290W
Pulse Load, Cable connestions
                     40s/120s:     660W - 4.3kW
                     10s/120s:     2.2kW - 17kW
                      5s/120s:      4.0kW - 30kW
                      1s/120s:     13kW -  100kW
 . 
IP20, IP50, IP65; Silicone free
  CCRCCR-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.
  CBTCBT-The most 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
  CBWThe 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.
  OEM-ALPHASome examples of OEM solutions and modifications of standard products within the Alpha Range are shown here.
 
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