• 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…