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The AC Direct CAP10UF is a 10uF motor run capacitor rated 450VAC, built for continuous duty in HVAC and single-phase motor circuits. The CAP10UF carries a +/-5% capacitance tolerance and supports both 50Hz and 60Hz supply frequencies. It meets Safety Class S2 and temperature classification 40/85/21 for sustained operation.
A failing run capacitor is one of the most common reasons an air conditioner fan or compressor hums but will not start. The CAP10UF replaces a tired or bulged 10uF unit and restores the phase shift a single-phase motor needs to turn. Matching the original part matters here: a 10uF 450VAC capacitor should be swapped like for like against the equipment nameplate.
For air conditioning and appliance techs, a 10uF run capacitor is a fast-moving service part worth carrying on the van. The CAP10UF is a low-cost swap that gets a dead condenser fan or compressor running again in minutes, turning a no-cool callout into a same-visit fix. Stocking common values like 10uF keeps repeat HVAC jobs off the reorder list.
The CAP10UF is a run capacitor only and is not a substitute for a start capacitor or a dual-run capacitor. Do not fit a value other than 10uF at 450VAC where the equipment specifies that rating, and do not operate it outside its 40 to 85 degree C temperature class. Confirm capacitance and voltage against the motor or equipment nameplate before fitting.
(CAP10UF)
The CAP10UF provides the phase shift a single-phase AC motor needs to run smoothly. It stays in circuit continuously while the motor operates, supporting condenser fans, compressors, and similar HVAC and appliance motors rated for a 10uF 450VAC run capacitor.
The CAP10UF is a run capacitor built for continuous duty, not a start capacitor. A run capacitor stays energised the whole time the motor turns, while a start capacitor gives a brief boost at startup and then drops out. Do not use one in place of the other.
A motor run capacitor must be fitted by a licensed electrician or qualified technician. Capacitors can hold a dangerous charge after power is removed, so the unit needs safe discharge before handling. Confirm the value against the equipment nameplate before fitting.
The capacitor is built to Safety Class S2 and temperature classification 40/85/21, meaning continuous operation from 40 to 85 degrees C. It carries a 450VAC rating and a +/-5% capacitance tolerance, suiting the heat and voltage load inside air conditioning condenser units.
Match the failed capacitor on both capacitance and voltage. A 10uF 450VAC part replaces a 10uF unit of the same or lower voltage rating. Check the printed value on the old capacitor or the motor nameplate, and confirm with the equipment manufacturer if there is any doubt.
The capacitor carries a one-year warranty for both domestic and commercial use, starting from the invoice date. The warranty is void if the product is not installed by a licensed electrician. Faulty units are handled on a return-to-Sparky-Direct basis.
The AC Direct CAP10UF is available online from Sparky Direct, with Australia-wide delivery to any state or territory including regional areas. Sparky Direct is an Australian electrical wholesaler established in 2005, supplying more than 500,000 customers with transparent trade pricing.
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How to Request a Return
Warranty starts from Invoice Date
Domestic Use: 1 Year
Commercial Use: 1 Year
Warranty Method: Return to Sparky Direct
These specifications and characteristics outline physical, mechanical, electrical details.
| Brand | |
| SKU | CAP10UF |
| Barcode # | 510-RCS4B-10 |
| Package Weight | 0.099kg |
| TYPE | VALUE |
|---|---|
| Type | Motor Capacitor |
| Brand | Airconditioning Direct |
| Voltage (V) | 450 |
Electrical and HVAC products sold by Sparky Direct are intended for installation by licensed and appropriately qualified professionals in accordance with applicable Australian Standards and regulatory requirements. Customers are responsible for ensuring that any product purchased, including any related or associated components, is compatible and suitable for their intended installation and application.
Sparky Direct does not provide installation advice and does not assess product suitability for individual circumstances unless expressly confirmed in writing. Customers must confirm correct product selection, compatibility, compliance, and suitability with a licensed or appropriately qualified professional prior to purchase.
Tools sold by Sparky Direct must be used safely and in accordance with the manufacturer’s instructions. Customers are responsible for ensuring they have the necessary knowledge and competence to operate any tool purchased. If you are unsure how to safely or correctly use a tool, do not use it and seek guidance from the manufacturer or a suitably qualified professional.
Nothing in this clause limits or excludes any rights or guarantees available under the Australian Consumer Law.
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