What does the SLC suffix indicate when use with a safety switch catalog number?
Safety Switch SLC Suffix.
Heavy Duty Safety Switch
The SLC suffix is used to provide a factory special safety switch with terminal lugs that accept only copper wire. The standard lugs provided on a safety switch will accept either aluminum or copper wire. This special feature is only available on Type 1, 3R, 4/4X/5 stainless steel, 12/3R and 12K switches from 30A - 600A.