Magnetic contactor having phase angle adjuster

Details Magnetic contactor having phase angle adjuster Magnetic contactor having phase angle adjuster

1995-05-18

1997-11-04

Fleming, Fritz

Electricity: electrical systems and devices

Control circuits for electromagnetic devices

For relays or solenoids

307131, H01H 956, H01H 4722

Patent

active

056846681

ABSTRACT:
A magnetic contactor including a phase switch and a phase angle adjusting device for adjusting the phase angle at which the phase switch provides for the supply of voltage to an electromagnet to energize the electromagnet. The phase angle is adjusted, via the phase angle adjusting device, to a position at which a collision velocity of a movable iron core against a fixed iron core of the magnetic contactor is lowered, and where the impact of the movable iron core is reduced to increase the life of the magnetic contactor.

REFERENCES:
patent: 4864157 (1989-09-01), Dickey
patent: 4922363 (1990-05-01), Long et al.
patent: 5440180 (1995-08-01), DeVault et al.

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