The catalog number 100-E40KY00 is reserved for a contactor from the IEC 100 Contactors series and the 100-E/104-E product line that has been manufactured by Allen-Bradley/Rockwell Automation. This contactor component includes certifications from the CCC, EAC, UL, CSA, KC, RINA, CE, and SUVA standards. The 100-E/104-E contactors like the 100-E40KY00 contactor are resistant to shock (IEC 60068-2-27), vibration (IEC 60068-2-6), and other common operating conditions in typical industrial applications. These contactors can operate at altitudes of up to 3000 meters and their safe ambient operating temperature ranges from -40 to 70 degrees Celsius (-40 to 158 degrees Fahrenheit). These contactors have an IP2X protection rating and they can be stored at a temperature range of -60 to 80 degrees Celsius (-76 to 176 degrees Fahrenheit).

The Allen-Bradley/Rockwell Automation 100-E40KY00 IEC 100 series contactor features rated isolation voltages of 690 Volts and 400 Volts. The unit is designed for operation on both AC and DC power sources. In addition to that, the rated impulse voltage is 6 kilovolts and the rated current is 40 Amps for AC-3 applications and 70 Amps for AC-1 applications. When it is used for switching AC motors, the 100-E40KY00 contactor has an output power rating of 11 kilowatts at 220 to 240 Volts, 18.5 kilowatts at 380 to 400 Volts, and 22 kilowatts at 415/440/500/690 Volts. Additionally, the contactor has output power ratings of 10 Horsepower at 200 Volts, 15 Horsepower at 230 Volts, 10 Horsepower at 200 Volts, and 10 Horsepower at 200 Volts. The 100-E40KY00 contactor has a coil voltage range of 48 to 130 Volts AC/DC and it features an AC voltage frequency of 50 to 60 Hertz. The 100-E40KY00 contactor comes without any auxiliary contacts and it operates on a 3-phase power source.