IN2014MU01177AIN1177MU2014AIN2014MU01177AIN 2014MU01177 AIN2014MU01177 AIN 2014MU01177AIN 1177MU2014 AIN1177MU2014 AIN 1177MU2014AIN 2014MU01177 AIN2014MU01177 AIN 2014MU01177A
Authority
IN
India
Prior art keywords
racking
circuit breaker
micro
cradle
disclosed
Prior art date
Application number
Inventor
Pranav G Pujari
Sudhir S KAMAT
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 IN1177MU2014priorityCriticalpatent/IN2014MU01177A/en
Publication of IN2014MU01177ApublicationCriticalpatent/IN2014MU01177A/en
Disclosed is an electrical indication of positions in a draw out type of circuit breakers. The circuit breaker (17) is disclosed. The circuit breaker (17) comprises of a racking mechanism for performing racking operation by racking-in and racking-out said circuit breaker (17) into a cradle (18), characterized in that a position of said circuit breaker (17) in said cradle (18) is indicated by position indicator by the use of an electrical indication. The racking mechanism further comprises of a micro switch mounting plate (11) with two micro switches (12); and a micro switch actuating plate (14) with at least one hump (13) for actuation of said micro-switches (12).
Trip unit providing remote electrical signal to remotely indicate that an arc reduction maintenance mode is remotely enabled, and electrical switching apparatus including the same.