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Rain Bird ESP-SAT Controller Power Specifications

Technical specifications for the Rain Bird ESP-SAT controller power requirements and output capacity.

Input Power

  • Domestic: 117 VAC ±10%, 60 Hz
  • International: 230 VAC ±10%, 50 Hz

Output Power

  • Voltage: 26.5 VAC
  • Current: 2.5 Amps total

Station Load Capacity

  • Up to two 24 VAC, 7VA solenoid valves per station
  • Plus one master valve or pump start relay

Protection & Memory

  • Diagnostic circuit breaker - skips and indicates overloaded stations
  • Non-volatile 100-year memory - holds program, date, time during outages
  • 9VDC NiCad rechargeable battery - maintains active program during outages, allows programming under battery power
  • Heavy-duty surge protection - single-point ground bus bar

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