MTD models are manufactured in tough reinforced plastic, except models 100, 250/1, 250/2 & 315 in steel casing and finished in tough epoxy-polyester paint coating.
Impeller blades moulded in tough ABS plastic, except models 250/1, 250/2 & 315, constructed from pressed galvanized sheet steel.
Max. operating temperature +40degC
MTD Series fans are fitted with direct connection two speed motors as standard with thermal over load protection. All motors are suitable for speed control regulation using electronic or auto-transformer.