IN2014MU01072AIN1072MU2014AIN2014MU01072AIN 2014MU01072 AIN2014MU01072 AIN 2014MU01072AIN 1072MU2014 AIN1072MU2014 AIN 1072MU2014AIN 2014MU01072 AIN2014MU01072 AIN 2014MU01072A
Authority
IN
India
Prior art keywords
contactors
changeover mechanism
changeover
contactor
assembly
Prior art date
Application number
Inventor
A Mathiyazhagan
Ajith Kumar J
Sidharthan Oormilaa
Gaikwad Shirish
Original Assignee
Larsen & Toubro Ltd
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Filing date
Publication date
Application filed by Larsen & Toubro LtdfiledCriticalLarsen & Toubro Ltd
Priority to IN1072MU2014priorityCriticalpatent/IN2014MU01072A/en
Publication of IN2014MU01072ApublicationCriticalpatent/IN2014MU01072A/en
Disclosed is an assembly (100) of modular changeover contactors with an interlocking arrangement for a switching device. The assembly (100) comprises a first contactor, a second contactor, a changeover mechanism (60) and an electromagnetic system. The contactors are connected with the changeover mechanism (60) positioned therebetween to form a single integrated unit. The changeover mechanism (60) enables the contactors to achieve pole-wise modularity and also prevents simultaneous switching ON of both the contactors to close an electrical circuit. Figure 2
Bi-directional direct current electrical switching apparatus including small permanent magnets on ferromagnetic side members and one set of arc splitter plates.
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.