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Power Controlling Units
Electronic Power-Controlling Devices for Appliances
If you have an older appliance, you can use a power-controlling device to reduce the energy consumption of the appliance"s electric motor.
How They Work
These power-controlling devices basically regulate the power delivered to an appliance"s motor by continuously adjusting the 60 cycle sine wave from the utility to match changes in the load on the motor.
Because the controller continuously applies the correct power to the motor, the motor operates consistently cooler and at its peak efficiency. As a consequence of this, manufacturers of these devices claim they will improve the efficiency and life expectancy of electric appliance motors.
The larger the motor, or the more mismatched the motor and load are, the larger the potential savings in energy that a power-control device will achieve. If the load never varies, it is more efficient to always match the motor closely to the expected load than to add one of these devices. Motor loads that do vary can benefit most from these controlling devices.
Power-controlling devices come in a wide variety of voltage and amperage ratings. These range from 110/120 volt-15 amps to 220/240 volt-40 amps (single-phase). There are also three-phase controllers for very large motors available.
Estimated Cost and Payback
The cost ranges from $90 to $150. Many units have a 10–15 year warranty. Since the dollar value of the energy saved varies with line voltage, age/condition of the appliance, the cost of the controlling device, and the local utility electricity rates, the simple payback time for this conservation measure typically ranges from 2 – 5 years.
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Thousands in service with less than 1% returned.
Specifications
- 220 Volt Single phase AC application .
- Quality ETL Indoor/Outdoor Painted Steel Enclosure
- Withstands surges to 480 VAC
- Self-healing metallized capacitors
- Low losses, 0.5 watt per KEC
- Interrupter for maximum 10,000 amp fault currents
- Discharge system to reduce voltage to 50 volts or less within 1 minute of de-energization
- Operating temperature range of -40° C to +90° C
- Flashpoint: + 182 degree C to + 200 degree C
- Values +/- 2% of rating
- Box size 6" x 6" x 4"
- Operating Life: 60,000 hours with 95% survival
- Wire Rating: 600 Volts, Gasoline & Oil Resistant
- Waste Disposal: Dispose of in accordance with all local, federal, and foreign regulations, component liquid is bio safe.
- Utilizes Self-Healing Low Loss Capacitors
- 20 Year Design Life
- Surge Suppression – 2000 Joules
- Typical Protection For : Electrical Storms, Lightning Activity and Power Utility Spikes
- Let Through Voltage – 150V line-to-neutral
- Load Rating – 20A
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