Universally accepted designs for most of the motor protection circuit breakers.
The two-part riveted model grip itself to the motor protection circuit breakers/switches outer surface on turning the black handle 90 degrees.
Once Universal Motor Protection Circuit Breaker Lockout is clamped and secured with a padlock to the housing on the MPCB - It prevents access to the motor protection rotatory, push-button and other design switches having outer dimension of 45 mm.
Universal Motor Protection Circuit Breaker Lockout Devices