IEC/EN60947. UL, CSA. An addittional/ replacement key may be purchased separately (see stock no. ; 489-3339 489-3339 ). Emergency Stop, Pull to Release, with Blank 90mm Label. Illuminated or non-illuminated style (separate LED block required) Complete with fixing adapter for contact blocks Optional shroud for harsh environments/food industry Stock no. ; 399-3107 399-3107 supplied with one key