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Supco 3W1 3-Wire Mechanical Potential Relay and Hard Start Capacitor - CSRU1


The 3-Series hard starts provide the service professional with an OEM option when the application calls for a hard start.

Combining a potential relay and start capacitor the 3 series provides a TRUE 3 wire solution.

• Mechanical potential relay
• True 3-wire solution
• NATE® Recognized (Course #1867-0002)
• Voltage sensing
• Instant Restart
• 35 amp relay contacts
• Includes EZ snap bracket for quick installation
• Capacitor size (µF x VAC):  88-108 x 330
• Application (Volts AC):  208/240
• Application (Tons):  1 to 3
• Replaces:  5-2-1 P/N CSRU1

**All warranty claims will be handled according to the Supco, Inc. warranty policy.**