Phase Failure Relays

These relays are suitable for monitoring incoming 3-phase supply from Mains (Electricity distribution line). Being independent of load, they can be used for any HP/KW rating of load.

• Fixed/adjustable unbalance settings
• Fixed/adjustable undervoltage/over-voltage settings
• Fixed/adjustable trip delays
• Built-in or external power supply
• Resetting Auto or Manual
• Output contacts : 1 CO or 2 CO
• Choice of enclosures (DIN-Rail, Plug-in)
• Models with Micro-Controller based design
• Use of SMD Technology
• User-friendly LED indications

• Phase Failure [Phase Loss/Single Phasing],
• Phase sequence reversal,
• Voltage Unbalance,
• Under Voltage,
• Over Voltage

• Product Family Name
• Model Name
• System Supply Voltage & Frequency
• Aux. Supply / Control Supply Voltage