ALV D2

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

Overview

  • Phase Failure, Unbalance
  • Phase Sequence, under voltage
  • Over Voltage, Auto Reset
  • Fixed unbalance setting
  • Adjustable UV/OV settings
  • 2 CO output relay

Description

Technical Specification

Supply Voltage

  • System 110 / 240 / 380 / 415 / 440 V AC ±20% 50 / 60 Hz
  • Auxillary 110 V (Fixed) or (220 – 230 – 240) or (380 – 415 – 440) V AC ±20% selectable

Output Contacts

  • Output Contacts 2 CO

Trip Setting(Volts)

  • Phase Sequence Yes
  • Phase Unbalance 40 V ±6 V (fixed)

Trip Time Delay

  • On Phase Failure/ Unbalance Instant  3.5 secs. ± 1.5 sec
  • On UV/OV Less than 2 secs.
Under Voltage For 380-440V AC
For 220-240V AC
For 110 V AC
80% to 95% (adjustable) of auxillary supply (±2% of set value
Over Voltage For 380-440V AC
For 220-240V ACFor 110 V AC
105% to 120% (adjustable) of auxillary supply (±2% of set value)

Resetting Mode

  • Resetting Mode Auto Reset

Weight

  • Weight 400 gms.(Approx).

Dimensions (mm)

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

Note:

  • Wherever not specified Contact Rating : 5A @ 230 V AC (resistive)
  • * CE marked products available on request.