IN2014MU01109AIN1109MU2014AIN2014MU01109AIN 2014MU01109 AIN2014MU01109 AIN 2014MU01109AIN 1109MU2014 AIN1109MU2014 AIN 1109MU2014AIN 2014MU01109 AIN2014MU01109 AIN 2014MU01109A
Authority
IN
India
Prior art keywords
panel door
interlocking assembly
test
circuit breaker
locking
Prior art date
Application number
Inventor
G Pujari Pranav
P Hemnani Mohit
Original Assignee
Larsen & Toubro Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Larsen & Toubro LtdfiledCriticalLarsen & Toubro Ltd
Priority to IN1109MU2014priorityCriticalpatent/IN2014MU01109A/en
Publication of IN2014MU01109ApublicationCriticalpatent/IN2014MU01109A/en
Disclosed is an interlocking assembly for a switchboard panel door for locking with a draw-out type of circuit breaker. The interlocking assembly comprises an actuating link, a cradle component, a panel door component and a stopper. The actuating link facilitates the interlocking assembly to function in 'Test' position of the circuit breaker and makes the cradle component to lock the switchboard panel door in the 'Test' position. The interlocking assembly provides enhanced electrical safety by locking the switchboard panel door with the circuit breaker in both the 'Test' and the 'Connected' positions wherein the control circuit and the power circuit respectively are electrically 'live'.