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Gurudatta Industries

Pune, Maharashtra

Year of Establishment: 2005
IndiaMART Member Since: 2009
Products [10]
Phone: +(91)-(20)-27125062

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Aluminum Encased Dynamic Breaking Resistor

Aluminum Encased Dynamic Breaking Resistor
? CONSTRUCTION:- The resistive element is a low ppm resistance wire that is wound on a special grade porcelain tube. The terminals have fully welded construction to provide a good mechanical and electrical contact. The assembly is embedded in the aluminum casing. The aluminum casing is made from high quality heat sink grade material, which helps to dissipate the heat from the resistor at the faster rate resulting low change of resistance with respect to temperature, as resistance varies in direct proportion to temperature. The casing is filled with high purity and special silica sand to extract the heat from the resistor body at the slower rate. The conduction of heat thorough the sand brings uniform heat to the aluminum casing for further dissipation. This protects the panels from being heated internally. Terminal contacts are provided with the screw arrangement for easy wiring. ? APPLICATION INFORMATION: motors with a dynamic load that requires to be stopped quickly, such as lifts, cranes, or high-speed mechanisms. The braking resistor is connected in the DC link, between the rectifiers and the switching semi-conductors. When the DC voltage rises, to a pre selected limit, a chopper circuit switches in the braking resistor thereby allowing excess energy to be "dumped" in the form of heat, instead of causing damage to the inverter. When the DC level drops to a lower preset minimum limit.

 
 

Silicon Coated Flame Proof Axial Lead Type

Silicon Coated Flame Proof Axial Lead Type

SCA :- SCA are acknowledged in the market for their superlative quality & reliability .

Construction: The resistor element is a resistive wire, which is wound, in a single layer, on a ceramic rod. Metal caps are pressed over the ends of the rod. The ends of the resistive wire and the leads are connected to the caps by welding. Tinned copper clad iron leads with poor heat conductivity are employed permitting the use of relatively short leads to obtain stable mounting without overheating. The resistor is coated with green silicon cement which is non-flammable, will not drip even at high overloads & its resistant to most commonly used cleaning solvent.

 

GIR SERIES (GSA)

WATTAGE

OHAMIC RANGE

DIMENSION (IN MM)

 

L

D

I

d

GIR / SCA

1W

0.01-1K

9±1

3±0.5

27

0.6

GIR / SCA

2W-3W

0.01-5K

12±1

4±0.5

36±2

0.8

GIR / SCA

4W-5W

0.01-20K

22±2

6±0.5

36±2

0.8

GIR / SCA

6W-10W

0.01-50K

33±2

8±0.5

36±2

0.8

GIR / SCA

11W-15W

0.01-75K

52±2

8±0.5

36±2

0.8

GIR / SCA

16W-20W

0.01-75K

65±2

8±0.5

36±2

0.8

 


 
 
Other products & services we offer
Aluminium Dbrs
Aluminum Encased
Ceramic Encased
Load Banks
Low Ppm Resistors
Radial Lead
Radial Tag
Wire Grid Resistors

 

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