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circuit breaker hitachi abb power grids Calibration electronic weighing device

US20070273546A1 - Electronic Protection Devices For ... protection device for circuit-breakers that comprises a wireless communication system for transmitting locally, to a dedicated computerized device, information corresponding to measurements of electrical quantities, to the setting of the parameters typical of the protection functions, or to diagnostics information corresponding to the electrical system, to the circuit-breaker or to the ...

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