The CI series of key and gate switches feature heavy-duty faceplates with die-cast aluminum enclosures and rubber gaskets. These key switches provide 2 SPST momentary (except GKS1 & GKS2 which are SPDT) switches rated 3A @240 VAC and a mortise cylinder (GKS1 & GKS2 are wafer cylinders) with 2 keys. These tamper proof switches are UL listed and CSA certified.