Motor Protection

Protection against overload

'Each electric motor having a rating exceeding 0.37kW shall be provided with control equipment incorporating means of protection against overload of the motor'.

Protection against over-temperature

'Any unattended single-phase motor having a current draw greater than 1.0 Amp, or any unattended three-phase motor having a current draw greater that 0.578 Amps, shall be fitted with an over-temperature protection device'.

Over-temperature protection devices

'Protection of motor windings against excessive temperatures shall be provided by thermal-overload protective devices complying with AS1023.1 or by a device which affords an equivalent degree of protection'.



The Multiflow TDE 500 to 710 range consist of fully cased, cylindrical models with circular mounting flanges at both ends and a wired terminal box.


The Mini Centrifugal Roof Fan series are the new type roof extract units available in 2 sizes and suitable for vertical and horizontal installation. The low noise external motor and high efficient backward bladed impeller meets the requirement of efficient ventilation in residential, commercial and light industrial applications.

Future 150

The Decor Series can be wall or ceiling mounted and is designed to exhaust stale and moist air from bathrooms, toilets, laundries etc. They are also suitable for ventilating all types of small or closed areas.

TD Silent

The Silent Series is a low profile mixed-flow in-line fan that produces low noise when in operation. It does this through a specifically designed perforated internal skin that directs sound waves produced inside the fan to a layer of sound absorbent material.


The low-profile TD-EVO 250 and 315 in-line mixed-flow fans for circular ducts have a unique design where the support bracket allows the motor and impeller assembly to be fitted or removed without dismantling the adjacent ducting.


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