Amphenol Industrial, SurLok Plus: Suffixes?

Amphenol Industrial Operations’ SurLok Plus series of products is intended for high power transmission as a replacement for compression lugs. These products come in a variety of shapes and sizes, including their part number SLPPB35BSR. You may spot this product with a variety of suffixes, such as ‘E’, ‘H’, or both. What do these suffixes mean, what’s the difference between these devices?

Per the documentation for the product, the ‘E’ indicates EMI handling capabilities, while the ‘H’ indicates high voltage isolation capabilities.