היה הראשון לכתוב סקירה “LRST-20”
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בקר חוסר פאזה היפוך ואסימטריות 2 מגע מחליף
• Monitors its own supply voltage.
• Detects phase failure, phase sequence, and phase asymmetry.
• Detects loss of neutral.
• Detect phase failure with regenerated voltage present (back EMF).
• Asymmetry rate from 5 to 20% of Un
• Measuring voltage with neutral.
• LED indicates for: relay status, asymmetry, and sequence.
• 2 c/o output relay
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חוות דעת
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