These fans can keep cool temperature in cabinet cases. Heat dissipation and prevention of failure and low performance is crucial part of any electronic systems, high speed 12v dc fans are the most suitable solution in these situations. 12V DC fans in sri lanka are mostly brush less. Brushless fans that runs in 12v, 24v performs best under low system impedance environments. 24v dc fans in sri lanka also used in some circuits as a cooling solutions, these fans generate high speeds. 230v ac cooling fans in sri lanka produce even more high cooling for industrial use, these have the highest RPM of any small fans. All fo the above fans are brushless and runs of a axial connect to a plastic heatsink, which makes very low noice compared to other cooling systems. All dc fans in sri lanka have wide range of blade sizes. These also have different adjustable voltages ranging from 5 to 24v. So all of the fans above can run below the 12v limit to achieve low noise when heating is low. Most of these small cooling fan can run for 24 hours for years without any problem. These are used in computers, power supply unites, home theater cabinet cooling, audio video equipments cooling and DIY devices. The average lifespan of a small dc fan is 65,000 hours. There are two wire types in high speed 12v, 24v and 230v dc fans in sri lanka, two-wire connection and three-wire connection. All of the fans above have dual ball bearings and operates at frequency cycles per second of 50Hz or 60Hz. Kumarasinghe Radio have wide range of 5V, 12v, 24v, 48V and 230v dc cooing fans in various sizes and configurations available wholesale and retail in our shops in Pettah and in our online store.