Hydro-Rain - HRC-PSR - Pump Start Relay

Product Overview

The Hydro-Rain HRC-PSR is a pump start relay that allows a compatible 24 VAC irrigation controller to switch a pump on when a watering zone is activated. It is intended for smaller irrigation systems using pumps within the published horsepower and voltage limits.

Key Features

• Interfaces a 24 VAC irrigation controller with a pump circuit
• Supports up to 1 HP at 110 VAC or 2 HP at 220 VAC
• Weather-resistant locking enclosure
• Covered wiring compartment
• Double-pole, single-throw relay
• Built-in test button for relay-circuit testing

Common Uses

• Irrigation systems supplied by a dedicated pump
• Well-pump or booster-pump activation from a sprinkler controller
• Small residential and light-commercial pump-fed irrigation systems

Technical Specifications

• Model: HRC-PSR
• Control Voltage: 24 VAC, 50/60 Hz
• Inrush Current: 79 mA
• Sealed Current: 71 mA
• Relay Type: Double pole, single throw
• Inductive Rating: 15 A
• Resistive Rating: 25 A
• Pump Capacity: Up to 1 HP at 110 VAC or 2 HP at 220 VAC

Compatibility & Installation Notes

Verify controller output, pump voltage, motor horsepower, branch-circuit protection, local electrical requirements, and enclosure location before installation. Hydro-Rain specifies mounting the relay with the test button facing downward. The test button is for relay-circuit testing only and should not be used to switch the pump load.

Frequently Asked Questions

What size pump can HRC-PSR control?
Hydro-Rain lists up to 1 HP at 110 VAC or up to 2 HP at 220 VAC.

What irrigation-controller signal does it use?
It is designed for a 24 VAC controller output.

Can the test button be used to run the pump?
No. The test button is intended for relay-circuit testing only.

Why Buy Hydro-Rain HRC-PSR from Big Frog Supply?

The HRC-PSR provides a dedicated interface between a 24 VAC irrigation controller and a compatible pump circuit for smaller pump-fed irrigation systems.