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The type NGV relay is a high-speed relay designed for calibration on decreasing voltage (drop-out), or increasing voltage (pick-up) and may be continuously energized at rated voltage. The NGV19 is a special relay available for application as a battery monitor. ApplicationsBattery monitor Emergency throwover control equipment Ground fault on ungrounded systems Instantaneous DC undervoltage Time delay DC undervoltage available •NGV11, NGV12, NGV13
•NGV15,
•NGV17, NGV18, NGV19
•NGV21, NGV22, NGV23, NGV25, NGV26, NGV27 & NGV28
•NGV99
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