Actuator for safe external access to an electrical panel board

An interlocking external actuator (100) for safe external access to an electrical panel board, said electrical panel board having a circuit breaker and housed inside a housing (102), said housing (102) covered by an enclosure door (104), said actuator (100) comprising:

• a. a handle (110) mounted on an external surface of said enclosure door (104) and configured to be handled for angular displacement;
• b. a first shaft (112) passing through said enclosure door (104), extending into said housing (102) and facilitating rotation of said handle (110);
• c. a second shaft (126) coupled to a switching element of said circuit breaker (122), said second shaft (126) configured to engage with said first shaft (112) in a closed state of said enclosure door (104) and thereby facilitate switching of said circuit breaker (122) to ON and OFF states by angular displacement of said handle (110);
• d. an interlocking mechanism located between said door (104) and said electrical panel board, said interlocking mechanism biased to engage in pushing said door into a closed state and thereby locking said enclosure door (104) in said closed state;
• wherein said handle (110) is configured to be displaced from a first angular position to a second angular position and from said second angular position to a third angular position away from said first angular position, said circuit breaker (122) configured to be switched from an ON state to an OFF state on displacing said handle (110) from said first angular position to said second angular position, said interlocking mechanism configured to be disengaged through displacement of said handle (112) further to said third angular position and thereby allow opening said enclosure door (104).