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Part #CSW1012

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  • Compact and Lightweight – The CSW provides pure sine wave power from a small footprint designed to fit in tight vehicle and marine spaces. And it is lightweight, so won’t weigh you down.
  • At-a-Glance Status – The inverter’s status can be determined at a glance with the easy-to-read LED light.
  • Digital Display* – The alphanumeric display shows the inverter’s battery voltage, total AC output power, along with additional operation codes. (*not available on the CSW412)
  • USB Port – Power and charge your USB-enabled device with the available USB port.
  • GFCI AC Outlet – Plug in two pieces of equipment directly to the CSW and know that the GFCI outlet will quickly stop the flow of electricity should a ground fault occur. The outlet also comes with an LED indicator and test/reset capability.
  • Automatic Transfer Switch Option – The CSW2012-X automatically switches between shore power and inverter/battery power.


Continuous power at nominal DC voltage 1000 watts
Peak surge power 2000 watts
10 sec surge power 1000 - 1500 watts
1 sec surge power 1500 - 2000 watts
200 msec surge power > 2000 watts
AC output voltage at 12.5 VDC 120 VAC ± 5%
AC ouput current 8.3 AAC
AC output voltage range 104 - 127 VAC
AC output frequency 60 Hz ± 0.5 Hz
AC output waveform Pure sine wave
Total harmonic distortion [THD] < 3%
Transfer Time NA
USB 5 V, 750 mA


Nominal DC input voltage 12.5 VDC
DC input voltage range 10.5 - 15.5 VDC
Input current 96 DCA
No load draw < 1.2 ADC
Optimum efficiency > 90%
High voltage shutdown 15.5 VDC
Low voltage alarm 11.2 VDC, audible
Low voltage shutdown 10.5 VDC,
Recover at 11.8 VDC


Transfer relay capability NA
Display status indictator Green, amber, red
Digital display Input voltage/current,
output power
AC receptacles NEMA 5-15 [GFCI]
Listings Conforms to UL458, Certified to CSA C22.2 No. 107.1, meets FCC Class B
Warranty One year