6 years on Allbiz
Contactor of KM-15A
Contactors are the devices of remote action intended for frequent inclusions and shutdowns of power electric chains at standard duties of work. The contact system of electromagnetic contactors is put in action by means of an electromagnet. Ability of the device to ensure functioning at a large number of operations is characterized by wear resistance which is subdivided on mechanical and electric. Mechanical - number of inclusions and shutdowns without repair and replacement of nodes and parts, at the same time the circuit current is equal to zero. Electric - number of inclusions and shutdowns of a chain with current after which, replacement of the worn-out contacts is required. Kontaktora consist of system of the main contacts, arc-suppressing system, electromagnetic system and auxiliary contacts. The main contacts - carry out short circuit and disconnection of a power chain. The arc-suppressing system - is intended for clearing of the electric arc arising at disconnection of the main contacts.
The electromagnetic system - provides remote control of contacts (short circuit and disconnection). Auxiliary contacts - make switchings in chains of management of the contactor, blocking and the alarm system.
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