Budget Supco 3W3 208 to 277 VAC, 4 to 5 HP, 3-Wire, Mechanical Potential Relay/Start Capacitor Combination
Original price was: $53.89.$26.95Current price is: $26.95.
The Supco 3W3 is a mechanical potential relay and start capacitor combination designed for air conditioner hard start applications. It operates within a voltage range of 208 to 277 volts AC and supports 4 to 5 horsepower motors. This kit is essential for enhancing the performance of one-phase air conditioning and refrigeration units.
- Includes EZ snap bracket for quick installation
- Voltage sensing for reliability
- Instant restart feature improves efficiency
Product Highlights
This hard start kit is recognized under UL and NATE standards, ensuring safety and reliability. It includes a capacitor that ranges from 270 to 324 microfarads and has a relay contact rating of 35 amps.
Product Information
Standard Information
- Manufacturer: Supco
- UPC: 687152215645
Technical Specifications
- Voltage Rating: 208 to 277 VAC
- Power Rating: 4 to 5 HP
- Capacitance: 270 to 324 microfarads
- Relay Contact Rating: 35 amps
- Included Components: EZ Snap Bracket
- Applicable Standards: UL, NATE
- Used On Models: CSRU or compatible single or dual run capacitors





