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DE598452C
|
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Self-opening switch that can be triggered by overcurrent with free release
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DE607466C
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Switch with arc extinguishing by compressed air
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DE482370C
|
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Electromagnetic and thermal triggering trigger for electrical switches
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DE480164C
|
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Contact arrangement on automatic switches
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DE492261C
|
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Protection device for electrical circuits against overload
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DE492260C
|
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Switch monitor device, especially for transformers and similar electricity consumers
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DE442182C
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Automatic off switch with maximum current magnet and free release
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DE452035C
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Device for protecting electrical circuits against overload
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DE459313C
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Safety circuit
|
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DE614652C
|
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Firedamp proof switch
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DE446877C
|
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Maximum current indicator based on the effect of heat
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