The TEC range of cabinet fan units are suitable for internal and external mounting, both in line foot mounted or curb mounted. 

They are available with direct driven fans for duties up to 1.0m³/s and with belt driven fans for duties above 1.0m³/s. 

Direct driven units type TEC/DD & TEC/DDR are 240 volt, single phase. 

Belt driven units type TEC/BD & TEC/BDR are 415 volt. three phase, although 240 volt, single phase is available up to 0.55kW.