The 17.5mm pitch of our Chordn’s three-phase monitoring relays HMPA5C series are appropriate for monitoring the phase sequence-loss and undervoltage. Standard 35mm DIN rail mounting is adapted. These relays are fitted with two indicators to indicate the state of power and output and one knob to set the range of undervoltage.
Voltage measurement range: 208-480VAC
Monitoring functions: phase sequence, phase loss, undervoltage
Undervoltage setting range( knob): -2% - -22%
Indicators: Green LED, Yellow LED
Designed for protect power distribution system, such as distribution cabinets and boxes, electric cabinets and so on.