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 208–239 VAC pick‑up range and 130 VAC drop‑off. Designed for HVAC/R compressors and motors requiring reliable start‑assist switching.

Built with Class B insulation, a universal break‑off mounting bracket, and a non‑positional design, this relay is a direct OEM‑style replacement for multiple industry‑standard part numbers. Supco equivalent: 9066.

Replaces Part Numbers

TR66
19005
66
ZCPRZ5AL1
PR9066
Mars 19005
White‑Rodgers 90‑66
TJ909066
AP4502504

Specifications

• Continuous Coil Voltage: 395 VAC
• Pick‑Up Voltage (Min/Max): 204 / 233 VAC
• Drop‑Out Voltage: 130 VAC
• Temperature Range: 40°F to 130°F
• Insulation: Class B
• Duty: Continuous
• Contact Rating: 35A @ 277 VAC
• Mounting: Universal break‑off bracket
• Design: Non‑positional

️ Applications

• HVAC & refrigeration compressors
• Single‑phase motors requiring start‑assist switching
• Equipment using industry‑standard potential relay footprints

⚠️ Common Symptoms This Relay Fixes

• Compressor not starting
• Hard‑starting 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 break‑off 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 OEM‑compatible Packard PR9066 potential relay.