The FB21604C is a 120/240 VAC, 50/60 Hz, 22 Amp, single pole, double throw safety switch from Marathon Electric. It is UL listed, CSA certified, and features a deep, rugged enclosure with a padlockable handle. The contact block assemblies feature independent positive positioning and maximum contact pressure to ensure positive contact alignment. Additionally, the switch is equipped with a single 240 VAC auxiliary contact, and meets UL, CSA and NFPA 79 standards.