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Supco OV46 36-40Amp Motor Overload Prot

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3  Reviews Add Your Review
Special Price $20.00 Regular Price $26.00
In stock
SKU
OV46
The Supco OV46 Motor Overload Protector 3640 Amp is a thermal protection component, which breaks the electrical current to a motor when the load current is more than safe levels to prevent overheating of windings. It connects into the starter or control circuit of the motor, and when excess current is detected, it opens its internal contacts, and must be reset when the conditions are restored to normal. This overload protector is installed in HVAC systems as a compressor or blower motor protection part, which use in sustaining equipment operation, in residential and commercial heating and cooling equipment.
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HVAC Controls, Overload Relay
Manufacturer:
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Manufacturer Name: Supco
Product Number: OV46
OEM Part Number: OV46
Product Description:  Ensure the safety and reliability of your electrical systems with the Supco OV46 Overloaded Protector. Designed for motors rated between 36-40 amps, this compact yet powerful device is a crucial component in safeguarding your equipment from overloads and potential damage. Weighing a mere 0.05 lbs (22.68g), this overload protector is lightweight and easy to install. Its robust construction ensures durability, making it suitable for a wide range of applications, including HVAC systems, industrial machinery, and more.

Key Features:

  • The Supco OV46 is engineered to provide precise overload protection, preventing costly downtime and repairs.
  • Designed for motors ranging from 36-40 amps, it suits a variety of applications, reducing the need for multiple protector types
  • Its small form factor and low weight make it easy to integrate into your system without added bulk.
  • Built to last, this overload protector delivers consistent, dependable performance even in demanding environments.
  • With user-friendly installation, you can have peace of mind knowing your equipment is protected in no time.
  • Investing in the Supco OV46 is an economical way to extend the lifespan of your equipment, ultimately saving you money on repairs and replacements.

Weight:0.05lbs/22.68g

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Product Questions (4)
Customer Questions
What is the purpose of a motor overload protector in HVAC systems?

A motor overload protector in HVAC systems safeguards motors from overheating, preventing damage and system failures.

How do I determine the appropriate overload protector size for my HVAC motor?

Select the Supco OV46 based on the motor's current rating, ensuring it falls within the 36-40 amp range.

What maintenance is required for the Supco OV46 Motor?

Regularly inspect the overload protector for loose wiring and signs of overheating. Ensure terminals are clean and tightly secured to maintain reliable motor protection. Periodically test operation under better conditions to confirm proper tripping performance.

What are common issues with the Supco OV46 Motor?

  • Nuisance tripping under normal motor load.
  • Overheating due to poor connections or high ambient temperature.
  • Failure to trip caused by worn internal components.
  • Incorrect amperage setting leading to inconsistent protection.

Installation Steps

Step 1: Shut off electrical supply and confirm motor circuit is fully de-energized before starting.

Step 2: Remove existing motor overload protector system and note wiring positions for correct reconnection.

Step 3: Mount new motor overload protector in original and secure all connections firmly.

Step 4: Reconnect motor leads according to wiring diagram provided on equipment label.

Step 5: Restore power and test motor operation, checking proper overload protection response.

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