Intelligent Transfer Switches        Network Rack ATS 1U Series   Line Voltage: 1-ph 120V AC 60Hz   Models: 15 Amp, 30 Amp   Transfer Time: 8-16 ms   Mounting: RACK 19" 1U   Technical Details >>    Industrial Rack STS 2U Series       Line Voltage: 1-ph 120V AC 60Hz   Models: 30 Amp, 50 Amp   Transfer Time: <5 ms (Sync)   Mounting: RACK 19" 2U   Technical Details >>      Industrial Rack STS 5U Series     Line Voltage: 3-ph 208V, 480V AC 60Hz   Models: 30 Amp, 60 Amp   Transfer Time: <5 ms (Sync)   Mounting: RACK 19" 5U   Technical Details >>     Industrial STS Series      Line Voltage: 3-ph 480V AC 60Hz   Models: 100 Amp /.../ 500 Amp   Transfer Time: <5 ms (Sync)   Mounting: FLOOR MOUNT   Technical Details >>