Minilec Phase Failure Relays D2 VMR2

Overview

• Suitable for 3 Ph-4W system
• Microcontroller design
• Absolute values of UV/OV settings
• Phase Failure, Unbalance
• Phase Sequence, Under voltage
• Over Voltage, Auto/Manual reset
• Adjustable settings for Unbalance
• UV/OV and trip delays
• 2 CO output relay
• Neutral Fail Protection
• Technical Specification

Supply Voltage

• System100-120 / 220-240 / 380-440V AC -25%+20%, 48-63 Hz
• AuxillaryBuilt In (from 3 Phase)

Output Contacts

• Output Contacts2 CO

Trip Setting(Volts)

• Phase SequenceYes
• Phase Unbalance4 % - 20 % [Variable]
• Under VoltageFor 380-440V AC
  For 220-240V AC
  For 100-120V AC165-245V AC [Variable]
  95-135V AC [Variable]
  45-65V AC [Variable]
• Over VoltageFor 380-440V AC
  For 220-240V AC
  For 100-120V AC230-310V AC [Variable]
  130-170V AC [Variable]
  60-80V AC [Variable]

Trip Time Delay

• On Phase FailureInstant
• On UV/OV1 To 10 Sec [Variable)
• NF2 Sec ± 1.5 Sec. (Fixed)

Resetting Mode

• Resetting ModeAuto/ External Manual Reset (External NC Push Buttons)

Weight

• Weight300 gms.

Dimensions (mm)

• Overall (L x W x D)76 X 56.5 X 117.5
• Mounting (L x W)67 x 46  / 35 mm rail Mounting

Note:

• Wherever not specified Contact Rating : 5A @ 230 V AC (resistive)
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Timing/ Relay logic Diagram

Electrical Connection Diagram

Applications

Suitable for monitoring 3 Ph. System supply from MAINS & used by motor load:

• AC & R Chiller compressor motors
• AHU Fan /Pump Motors
• Machinery using multiple small motors
• MAIN powers supply distribution panel board
• DG Set application
• UPS
• Submersible Pumps
• Hoist & Crane