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Hunter PSR-53 Pump Start Relay, 7.5 HP (240V)

Hunter PSR-53 Pump Start Relay, 7.5 HP (240V)

Brand: Hunter
Save 27%
$434.30
$314.87
SKU PSR53
In Stock (1)

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The Hunter PSR-53 is a dependable pump start relay designed for irrigation systems that require a booster pump or direct-source pumping. Engineered for compatibility with standard 24VAC controllers, the PSR-53 provides reliable starting power in a lockable, weather-resistant enclosure.

  • Voltage & horsepower: Supports 120 VAC single-phase pumps up to 3 HP, 230 VAC single-phase pumps up to 7.5 HP, and 230 VAC three-phase pumps up to 10 HP.
  • Durable enclosure: NEMA 3R locking plastic cabinet protects components outdoors and resists weather and debris.
  • Control & wiring: 24VAC flying leads for fast controller connection; multiple knockouts simplify conduit and field wiring.
  • Electrical ratings: Up to 40 A full-load capacity, 50 A max resistive, UL-approved relays and robust contactors for consistent performance.
  • Compact & serviceable: Small footprint with accessible interior, keyed lock, and straightforward mounting for quick installation and maintenance.

Designed for professional irrigation installers and homeowners alike, the PSR-53 pairs with most 24VAC controllers to automate pump operation safely. Refer to the manufacturer's spec sheet for wiring diagrams, local code compliance, and detailed electrical specifications.

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Frequently Asked Questions

What pump sizes does the PSR-53 support?
Supports 120 VAC single-phase pumps up to 3 HP, 230 VAC single-phase up to 7.5 HP, and 230 VAC three-phase up to 10 HP.
What enclosure rating and protections does the PSR-53 have?
NEMA 3R locking plastic enclosure for outdoor use; protects against weather and debris and includes a keyed cover.
How do I connect the PSR-53 to my controller?
The relay uses 24VAC flying leads for quick connection to standard irrigation controllers; follow the wiring diagram in the spec sheet.
Is the PSR-53 UL approved and what's the amperage rating?
Contains UL‑approved relays; rated up to 40 A full‑load capacity and 50 A resistive—see the spec sheet for electrical details.