ATA109091A
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Fault current circuit breaker (residual current device, earth circuit breaker)
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ATA23291A
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Fault current protection switch
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ATA20591A
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Disconnecting device for surge protectors
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ATA8091A
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Residual current device (earth-leakage current circuit breaker)
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ATA9789A
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Test block for residual current devices (earth-leakage circuit breakers)
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ATA175188A
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Disconnecting device for overvoltage arresters (arrester disconnectors, at-switches)
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ATA193984A
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Circuit breaker
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ATA64083A
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Circuit breaker with a neutral conductor and fault current trip
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ATA398982A
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Circuit breaker
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ATA314382A
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Circuit breaker with error current release
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ATA399281A
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Magnetic release high sensitivity
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ATA346181A
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Overvoltage arrester with short-delayed disconnecting device
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ATA255581A
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Magnetic release high sensitivity
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ATA541780A
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Magnetic release high sensitivity
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ATA426180A
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Fault current protection switch
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GB841181A
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Improvements in and relating to protective circuit-breakers
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