The Allen-Bradley 100-E09KY10 contactor is an IEC 100 series contactor, which is a type of relay that is used for switching an electrical circuit on or off. Contactors like this one are used in applications involving electrical lighting and electric motors. The 100-E09KY10 contactor belongs to the 100-E product line of large contactors in the IEC 100 series. Contactors belonging to this product line are available with 9 to 2650 Amps current ratings. The universal AC/DC coil on the contactors makes device selection easier and also saves energy. Contactors with ratings above 100 Amps can be directly connected to PLCs. The 100-E family contactors can be panel mounted and they can also be mounted on a 35-millimeter DIN Rail. The contactors are made with environmentally friendly materials. The 100-E family contactors have 3 main poles and they support auxiliary contacts.

The Allen-Bradley 100-E09KY10 contactor supports an optional side or front-mounted external auxiliary contact block. Optional accessories that can be ordered for 100-E family contactors like the 100-E09KY10 contactor include terminal lugs, terminal shields, connecting bars, and mechanical interlocks. The contactors belonging to the 100-E series of contactors are certified by the CE, CCC, EAC, KC, and C-Tick standards. The 100-E09KY10 contactor features an electronic coil. The control voltages for the contactor are 48 to 130 Volts AC (50 to 60 Hertz) and 48 to 130 Volts DC. There are 3 poles on the 100-E09KY10 contactor and 1 normally-open auxiliary contact. The contactor comes with screw terminals. The current rating of the 100-E09KY10 contactor at 400 Volts AC (3-phase) and a 60 degrees Celsius ambient temperature is 9 Amps. The current rating of the 100-E09KY10 contactor at 690 Volts AC (single-phase) and a 40 degrees Celsius ambient temperature is 25 Amps.