The Hunter PSR-22 pump start relay allows a compatible irrigation controller to switch a single-phase pump when watering starts. A 24 VAC controller output energises the relay, which switches the separate pump supply.

Key specifications

• Model: Hunter PSR-22
• Relay type: double-pole, single-throw
• Controller signal: 24 VAC
• Pump supply: 230 VAC single phase
• Approximate maximum pump rating at 230 VAC: 2.2 kW
• Enclosure approval: IPX4

Important installation information

This relay does not provide motor overload or thermal protection. It must be installed with correctly rated electrical protection and isolation for the pump. Mains wiring should be completed by a suitably qualified person in accordance with local regulations.