The CSWI is designed for use on gates with a maximum weight of 1800 pounds and a maximum width of 30 feet. The gate will travel from open to close in approximately 13 seconds and is rated for a maximum of 45 cycles per hour. The CSWI is available from 1/2 1-2 HP in single for three phase. The drive arm is easily disconnected for manual operation in case of power failure. This unit is UL 325 listed for use in Class 1 through Class IV applications.