SIL is a failure rate analysis which is used for a variety of design applications.  Ruelco is able to provide preventable failure data to our customers based upon our years of field experience and our complete in-house testing data.  Ruelco is able to offer many of our products as SIL 3 certified with absolutely no modification or trim level change.  This allows Ruelco to stay at the forefront of the industry and provide our customers with products that can meet almost any specification desired.