Spartan Power 4500 Watt Transfer Switch by Great for Solar & Wind SP-TS4500PLUS

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NEW UPDATED DESIGN! Spartan Power listened to it’s fanbase and took it’s already awesome solar / wind transfer switch and made it even better!


  • The SP-TS4500PLUS has an LCD display and allows the user to define the Cut-Off and Recovery Voltages.
  • GREAT FOR SOLAR OR WIND! Automatically switches over to grid power on those cloudy or windless days and your batteries get low. Take charge over your battery bank!
  • The SP-TS4500PLUS dual power transfer switch allows for trouble-free operation of inverters and AC mains in the same circuit. The dual power transfer controller switches automatically between inverter and AC mains while protecting the inverter against external voltage.
  • Transfer Time: ≤10ms; 4500 Watts Max.; 12V, 24V or 48VDC; 110-120Vac 60Hz & 220Vac 50Hz all in one unit!
  • User now defines the Cut-Off and Recovery Voltages!