The present invention is directed to a circuit breaker lockout device installed on a circuit breaker switch. The circuit breaker lockout device includes a first body section and a second body section. A handle extends through the first body section and the second body section. The handle includes a lockout screw with a screw head having a plurality of slots and a handle pin for engaging one of the plurality of slots. The lockout screw is turned by the handle to control the movement of the first body section and the second body section with respect to each other to engage the circuit breaker switch.