Packard Potential Relay, 395 Voltage, 208-239 pick up, 130 drop off, PR9066

Packard Potential Relay | PR9066 | 395V Coil

Brand new Packard Potential Relay replacing part PR9066. Rated for 395 VAC continuous coil voltage with a 208239 VAC pickup range and 130 VAC dropoff. Designed for HVAC/R compressors and motors requiring reliable startassist switching.

Built with Class B insulation, a universal breakoff mounting bracket, and a nonpositional design, this relay is a direct OEMstyle replacement for multiple industrystandard part numbers. Supco equivalent: 9066.

Replaces Part Numbers

TR66

19005

66

ZCPRZ5AL1

PR9066

Mars 19005

WhiteRodgers 9066

TJ909066

AP4502504

Specifications

• Continuous Coil Voltage: 395 VAC


• PickUp Voltage (Min/Max): 204 / 233 VAC


• DropOut Voltage: 130 VAC


• Temperature Range: 40°F to 130°F


• Insulation: Class B


• Duty: Continuous


• Contact Rating: 35A @ 277 VAC


• Mounting: Universal breakoff bracket


• Design: Nonpositional

Applications

• HVAC & refrigeration compressors


• Singlephase motors requiring startassist switching


• Equipment using industrystandard potential relay footprints

Common Symptoms This Relay Fixes

• Compressor not starting


• Hardstarting or intermittent startup


• Clicking or buzzing from relay area


• Overheating or tripped overloads

Installation Notes

• Disconnect power before servicing


• Match terminal numbers (1, 2, 5) to original relay wiring


• Use breakoff bracket if needed for mounting


• Ensure relay is firmly seated and connections are tight


• Verify compressor start operation after installation

Compatible Models

(Model list not provided add models here when available)

Restore reliable compressor startup and performance with this OEMcompatible Packard PR9066 potential relay.