OUR PRICE: $929.00 MSRP: $1230.00

SP3000 series 3000 Watt Pure Sine Wave Inverter – Heavy Duty.

This DC-AC pure sine-wave inverter has models that convert 12, 24 & 48 Volts DC to 3000 watts of AC power at 120 Volts or 230 Volts. This inverter is a high efficiency microprocessor controlled model that is certified to the UL458 standard. This unit is hard-wired directly to a DC source. Features include wide input voltage, wide operating temperature, RS232 communications and optional Transfer Switch. Protections include overload, over/under temperature, short-circuit, reverse-polarity, low battery, over/under voltage protections. A low power saving mode is an additional feature to conserve energy.


  • Pure sine wave output (THD<5%@Normal Load @12.5V/25V/50V ).
  • RS-232 communication.
  • Power ON/OFF remote control(Green Terminal).
  • Remote controller CR8/CR12 operational(user selectable ).
  • Input & Output fully isolation.
  • Temperature & Load controlled cooling fan.
  • Built in advance microprocessor to make friendly interface with user.
  • Output frequency 50/60Hz DIP switch selectable.
  • Output voltage DIP switch selectable
  • Power saving mode adjust resister selectable.
  • Tri-color indicators display status.
  • AC Trasnfer Function Accessories (TR40)
  • Protection:
    Input over voltage / Input low voltage / Over temperature / Overload / Short Circuit / Reverse polarity(Internal Fuse)

COTEK SP Series Manual (PDF)

COTEK SP3000 Specifications (PDF)

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