Rain Bird PSR110220 Dual-Voltage Pump Start Relay — 3/4–5 HP

The Rain Bird PSR110220 Dual-Voltage Pump Start Relay simplifies pump control by providing a 24 VAC control coil with integrated switching for 110 or 220 VAC line power. Housed in a compact NEMA 3R steel enclosure with a durable gray baked-on powder-coat finish, the PSR110220 is built for outdoor pump installations and delivers pilot-duty switching for most single-phase pumps.

• 40A power relay; UL-listed components. Electrical rating: 120V – 24 FLA, 240V – 28 FLA; short-circuit rating 5kA for safe operation.
• Compatible with single-phase 110/220 VAC pumps from 3/4 to 5 HP; for motors over 2 HP follow NEC guidance and consider additional pump protection.
• 24 VAC control coil designed to work with timed irrigation controllers and common 24 VAC control systems.
• Quick-connect terminals with wire nuts plus grounding provision for straightforward wiring and easier service access.
• NEMA 3R weather-tight steel enclosure with gray baked-on powder coating for long outdoor life; compact 6" x 6" x 4" footprint fits tight installations.
• Not recommended for two-wire decoder/controller systems—verify controller compatibility before installation.

Refer to the included product spec sheet and Rain Bird technical documents for wiring diagrams, installation notes, electrical specifications, and warranty details. Always confirm local electrical codes and pump motor thermal protection requirements prior to installation.