IMO SI40-PEL64R-8T True DC Solar Isolator with Lockable Rotary Handle

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IMO SI40-PEL64R-8T True DC Solar Isolator

IMO Precision Controls offers a range of True DC Isolators specifically designed for use in Solar PV installations. The IMO design incorporates a user independent switching action so as the handle is moved it interacts with a spring mechanism which, upon reaching a set point, causes the contacts to “SNAP” over thereby ensuring a very fast break/make action. This mechanism means that the disconnection of the load circuits and suppression of the arc, produced by a constant DC load, is normally extinguished in 3ms using the specific pole suppression chambers incorporated within the design.

The SI TRUE DC range was specifically developed to meet the needs of the solar industry with full operator independent switching mechanism, a guaranteed 5ms maximum arc suppression time and long-life knife edge contacts. Arc chambers built-in to the unit keep the device cool under repeated operation and the full range of mounting options provide a solution for almost every application.


  • Market-leading design
  • 16 pole (Two strings)
  • Max. rated current 40A@1000VDC
  • Enclosure is NEMA 4X and IP67 rated
  • Range of mounting options
  • Guaranteed arc suppression (3ms typical)
  • Operator independent switching mechanism
  • Dimensions: 9.44" h x 6.9" l x 4.7" w
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