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Rheostat wire wound rotary 100W 5 Ohm

Stock Code:
3080-001
Unit:
Each
Price:
$147.00 (ex GST)

Description

The IEC Rotary Rheostat / Potentiometer is for low resistance and high power.  It is useful in the classroom where larger currents are required. Resistance is 5 ohms and power dissipation is 100 watts. This calculates to a permissible current of about 4.5 amps. The unit is fitted with 3x 4mm spin free IEC terminals so it can be used as either a rheostat (variable resistor) or a potentiometer.

The rar of the unit is open to allow students to see the construction of a Potentiometer or a Rheostat,  however when used at currents approaching 5 amps,  it will be dissipating up to 100 watts and it will be very hot.  Always supervise its use.  

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