Description
The Tecumseh K146-36 is a heavy-duty start capacitor engineered to deliver the high-torque burst of energy required to bring compressor motors up to operating speed quickly and reliably. With a capacitance range of 88/108 MFD and a 250-volt rating, this capacitor is sized for dependable performance in a wide range of residential and light commercial HVAC compressor applications.
Start capacitors are a critical electrical component in single-phase motor circuits. They remain in the circuit only during motor start-up, providing the extra phase shift needed to initiate rotation, then drop out once the motor reaches running speed. Replacing a failed start capacitor with the correct OEM-specified part — like this Tecumseh K146-36 — helps restore proper motor function and protects against hard-start conditions that can shorten compressor life.
Key Specifications
- Capacitance Range: 88/108 MFD (microfarads)
- Voltage Rating: 250V
- Type: Start Capacitor
- Brand: Tecumseh
- SKU / Part Number: K146-36
Features & Benefits
- Provides high-torque starting energy for single-phase compressor motors
- Designed as a direct OEM replacement for Tecumseh-specified applications
- Helps prevent hard-start conditions that can damage compressor windings
- 250V rating suitable for standard residential and light commercial HVAC systems
- Compact design for easy installation in existing capacitor housings
Application
This start capacitor is intended for use with Tecumseh compressors requiring an 88/108 MFD, 250V start capacitor. Always verify the capacitance range and voltage rating against your equipment’s nameplate data or service manual before installation.







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