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The 1000V DC Relay manufacturers introduce the working principle of the low price 600A DC Contactor from China


The rated voltage of the coil of the low price 600A DC Contactor from China is not necessarily equal to the rated voltage of the main contact. The current of the main contact connection circuit of the cheap 600A DC Contactor is DC.

600A DC ContactorWhen the coil of low price 600A DC Contactor from China is energized, the coil current generates a magnetic field, which makes the static iron core of the cheap 600A DC Contactor generate electromagnetic attraction to attract the moving iron core, and drives the contact action. The normally closed contact of the 600A DC contactor from China is disconnected and the normally open contact is closed, and the two are linked. 

When the coil of the low price 600A DC Contactor from China is powered off, the electromagnetic suction force disappears, and the armature is released under the action of the release spring of the cheap 600A DC Contactor, so that the contacts are restored. The normally open contact of the 600A DC Contactor from China is disconnected and the normally closed contact is closed.