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Rain Bird pump start relays work with a lawn controller’s start/stop command to facilitate the electrical path from the breaker box to the pump motor. Rain Bird PSR Universal Pump Start Relays provide “pilot duty“ operation for all types of electrically driven pump equipment.
  • 40 AMP certified pump start relay works with a lawn controller’s start/stop command to facilitate the electrical path from the breaker box to the pump motor.
  • Quick connect terminals with wire nuts
  • Grounding provision
  • Compatible with 24 VAC timed lawn controllers
  • Compatible with 110 VAC 3/4 hp thru 2 hp* single phase pumps
  • Grey "baked-on" powder coating, for long life in difficult environments
  • UL Listed as "Enclosed Industrial Control Panels"
  • Housed in compact NEMA 3R weather tight enclosures
  • Compatible with 110 VAC 3/4 hp thru 2 hp* single phase pumps

* National electrical code (nec) states all motors will be thermally protected from excessive "amperage draw." Most motors under 2 hp are supplied with thermal protection from the motor manufacturer. For motors over 2 hp, code-compliant Rain Bird PSRB pump protection is recommended.

NOTE: Circuit breakers are never classified as motor protection.

NOTE: Check with your local health department for regulations and requirements for backflow prevention.


Dimensions: 6” w x 6” h x 4” d

Electrical Specifications:

  • UL Listed Internal Components
    • Power Relay
    • Electrical Rating: 120v – 24 FLA, 240v – 28 FLA
    • Largest Motor: 120v – 2 hp, 240v – 2 hp
    • Short Circuit Rating: 120v – 5kA, 240v – 5kA
    • Control voltage required: 24v
    • Hertz: Sixty (60)
    • Inrush/run: 950mA/360mA
  • Cube Relay
    • Nominal Voltage: 24 VAC coil
    • Hertz: Sixty (60)
    • Resistive (cos.=1): 10A

UL Listed Internal Components
Power Relay
Electrical Rating: 120v – 24 FLA, 240v – 28 FLA
Largest Motor: 120v – 2 hp, 240v – 2 hp
Short Circuit Rating: 120v – 5kA

6” w x 6” h x 4” d

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