Hunter PSR-B Pump Start Relay Booster - 120/230VAC to 24VAC
Reliable booster for irrigation systems that need extra start power. The PSR-B Pump Start Relay Booster supplies a local transformer and solid-state relay so controllers with limited 24VAC output can trigger larger pump start relays reliably. Designed for easy wiring and durable outdoor use, the PSR-B fits common irrigation setups where a booster or off-site pump is required.
- Power & compatibility: Primary input 120/230 VAC; secondary output 24 VAC, 1.6 A. Compatible with all standard 24VAC irrigation controllers and two-wire decoder systems.
- Robust relay: Solid-state double-pole relay (10 A rating) with transformer to reliably operate pumps that require higher coil VA.
- Durable enclosure: Lockable NEMA-rated, IP54 enclosure with multiple knockouts for conduit and conduit fittings; suitable for outdoor installations.
- Easy installation: Flying 24V leads for quick connections, clearly labeled terminals, and mounting options to fit typical controller locations. Recommended minimum installation distance from controller: 15 ft / 4.5 m.
- Certifications & warranty: UL, cUL, FCC, CE, and RCM approvals where applicable; backed by a 2-year limited warranty.
Choose the PSR-B when your irrigation pump requires more start power than the controller can provide. With simple 24V hookup, clear specifications, and a weather-resistant enclosure, it offers dependable activation for booster pumps, well pumps, or direct-source applications. Refer to the included spec sheet and installation card for wiring diagrams and full electrical specifications before installation.