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.
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