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Voltmeters equipped with a change-over switch EP27 and EP29 type are designed to measure phase-to-phase and line-to-line voltages in low voltage power networks. A switch in...
EP27 3-Phase Voltmeters
Voltmeters equipped with a change-over switch EP27 and EP29 type are designed to measure phase-to-phase and line-to-line voltages in low…

