Tecumseh K146-21 Capacitor
The Tecumseh K146-21 Capacitor is a high-duty 145-175 MFD 110V start capacitor engineered to meet the rigorous demands of commercial and residential refrigeration systems. For technicians servicing HVAC compressors or condensing units, this OEM replacement part provides the critical high-torque electrical boost required to initiate the start cycle under load. Rated at 110-125V, it is optimized for motor start applications where consistent discharge and reliability are non-negotiable. Whether you are performing preventative maintenance or a reactive repair, utilizing a genuine Tecumseh K146-21 ensures that the motor's starting windings receive the correct microfarad output to overcome inertia without overheating. This component is cross-compatible with various fractional horsepower compressors, providing a precise fit and long-term stability in high-cycle environments. By installing this HVAC start capacitor, contractors can maintain system efficiency and prevent premature motor failure caused by weak starting torque.
Key Benefits for Technicians
- Precise Capacitance: Provides a 145-175 microfarad range to ensure rapid compressor ignition and reduced cycle lag.
- OEM Compatibility: Genuine Tecumseh component designed for seamless integration with existing motor leads and mounting brackets.
- High Torque Support: Specifically built for refrigeration compressors and HVAC motor start systems requiring 110V input.
- Industrial Build: Durable enclosure designed to withstand the thermal stress of frequent starts in air conditioning units.
Common Technical Questions
Can I use the K146-21 to replace a capacitor with a higher voltage rating?
No. In HVACR applications, you can typically use a capacitor with a higher voltage rating than the original, but never lower. Since this is rated for 110V-125V, ensure the system voltage does not exceed this threshold.
What happens if the capacitance (MFD) is outside the 145-175 range?
Using a capacitor with a lower MFD rating may prevent the motor from starting under load, while a significantly higher rating can cause excessive current in the start windings, leading to motor damage.
Is this a run capacitor or a start capacitor?
The K146-21 is a start capacitor, designed to stay in the circuit only for the duration of the startup phase before being disconnected by a potential relay or centrifugal switch.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Original: $20.33
-65%$20.33
$7.12Tecumseh K146-21 Capacitor
The Tecumseh K146-21 Capacitor is a high-duty 145-175 MFD 110V start capacitor engineered to meet the rigorous demands of commercial and residential refrigeration systems. For technicians servicing HVAC compressors or condensing units, this OEM replacement part provides the critical high-torque electrical boost required to initiate the start cycle under load. Rated at 110-125V, it is optimized for motor start applications where consistent discharge and reliability are non-negotiable. Whether you are performing preventative maintenance or a reactive repair, utilizing a genuine Tecumseh K146-21 ensures that the motor's starting windings receive the correct microfarad output to overcome inertia without overheating. This component is cross-compatible with various fractional horsepower compressors, providing a precise fit and long-term stability in high-cycle environments. By installing this HVAC start capacitor, contractors can maintain system efficiency and prevent premature motor failure caused by weak starting torque.
Key Benefits for Technicians
- Precise Capacitance: Provides a 145-175 microfarad range to ensure rapid compressor ignition and reduced cycle lag.
- OEM Compatibility: Genuine Tecumseh component designed for seamless integration with existing motor leads and mounting brackets.
- High Torque Support: Specifically built for refrigeration compressors and HVAC motor start systems requiring 110V input.
- Industrial Build: Durable enclosure designed to withstand the thermal stress of frequent starts in air conditioning units.
Common Technical Questions
Can I use the K146-21 to replace a capacitor with a higher voltage rating?
No. In HVACR applications, you can typically use a capacitor with a higher voltage rating than the original, but never lower. Since this is rated for 110V-125V, ensure the system voltage does not exceed this threshold.
What happens if the capacitance (MFD) is outside the 145-175 range?
Using a capacitor with a lower MFD rating may prevent the motor from starting under load, while a significantly higher rating can cause excessive current in the start windings, leading to motor damage.
Is this a run capacitor or a start capacitor?
The K146-21 is a start capacitor, designed to stay in the circuit only for the duration of the startup phase before being disconnected by a potential relay or centrifugal switch.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The Tecumseh K146-21 Capacitor is a high-duty 145-175 MFD 110V start capacitor engineered to meet the rigorous demands of commercial and residential refrigeration systems. For technicians servicing HVAC compressors or condensing units, this OEM replacement part provides the critical high-torque electrical boost required to initiate the start cycle under load. Rated at 110-125V, it is optimized for motor start applications where consistent discharge and reliability are non-negotiable. Whether you are performing preventative maintenance or a reactive repair, utilizing a genuine Tecumseh K146-21 ensures that the motor's starting windings receive the correct microfarad output to overcome inertia without overheating. This component is cross-compatible with various fractional horsepower compressors, providing a precise fit and long-term stability in high-cycle environments. By installing this HVAC start capacitor, contractors can maintain system efficiency and prevent premature motor failure caused by weak starting torque.
Key Benefits for Technicians
- Precise Capacitance: Provides a 145-175 microfarad range to ensure rapid compressor ignition and reduced cycle lag.
- OEM Compatibility: Genuine Tecumseh component designed for seamless integration with existing motor leads and mounting brackets.
- High Torque Support: Specifically built for refrigeration compressors and HVAC motor start systems requiring 110V input.
- Industrial Build: Durable enclosure designed to withstand the thermal stress of frequent starts in air conditioning units.
Common Technical Questions
Can I use the K146-21 to replace a capacitor with a higher voltage rating?
No. In HVACR applications, you can typically use a capacitor with a higher voltage rating than the original, but never lower. Since this is rated for 110V-125V, ensure the system voltage does not exceed this threshold.
What happens if the capacitance (MFD) is outside the 145-175 range?
Using a capacitor with a lower MFD rating may prevent the motor from starting under load, while a significantly higher rating can cause excessive current in the start windings, leading to motor damage.
Is this a run capacitor or a start capacitor?
The K146-21 is a start capacitor, designed to stay in the circuit only for the duration of the startup phase before being disconnected by a potential relay or centrifugal switch.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
