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Electromagnetic drive electrical switch apparatus having control circuit activated excitation coil with central opening and fixed/moving magnetic circuit with fixed magnetic circuit looping around central opening several times
Electromagnetic drive electrical switch apparatus having control circuit activated excitation coil with central opening and fixed/moving magnetic circuit with fixed magnetic circuit looping around central opening several times
The electromagnetic driver has a control circuit activating an excitation coil (20) with a central opening. There is a magnetic circuit with a fixed and moving part (19). The fixed part loops around the central opening several times.
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