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HDER-VR1

Phase sequence protector

I want to make an inquire

■ Compact Design 

■ Testing three phase power supply, protecting motors and other loads
■ testing phase stagger, phase loss, under-voltage, over-voltage, voltage unbalance
■ No additional auxiliary power supply is required

■ Over-voltage and under-voltage can be adjusted independently

■ Adjustable action time

■ Trip Indication LED

■ High accuracy , low power consumption

■ Ambient Insensitive

■ Automatic Reset and Adjustable Reset Timer

Technical Parameters：

Installation dimension drawing：

Circuit diagram：