Home  |  Contact Us

banner_phase_failure_relays


Products I Phase Failure Relays I VST D1



VST D1
  Phase Failure, Phase Sequence,
  Under voltage, Auto Reset,
  Adjustable trip delay,
  1 CO output relay
  Selectable range of supply voltage
Supply Voltage    
  System : 240 / 415 / 575 V AC 3 Phase (±15% selectable)
  Auxillary : Built In

Output Contacts : 1 CO

Trip Setting(Volts)    
  Phase Sequence : Yes 
  Phase Unbalance : NA

  Under
Voltage
For 380-440V AC
For 220-240V AC
For 100-120V AC
:
:
:
80% of V set
80% of V set
80% of V set
  Over
Voltage
For 380-440V AC
For 220-240V AC
For 100-120V AC
:
:
:
NA
NA
NA

Trip Time Delay
  On Phase Failure : 0.2 - 10 secs. (variable)
  On UV/OV : 0.2 - 10 secs. (same for UV & SP)

Resetting Mode : Auto

Weight : 300 gms.

Dimensions (mm)
  Overall (L x W x D) : 76 x 30.5 x 117.5
  Mounting (L x W) : 68 centre to centre / 35 mm rail Mounting

Note:
Wherever not specified Contact Rating : 5A @ 230 V AC (resistive)
* CE marked products available on request.
Timing/ Relay logic Diagram

Electrical Connection Diagram

VST D1 VST D1
   
Relay contact position shown in 'Power off' condition
Suitable for Various equipment's using 3Phase System supply voltages like 230 V, 415 V, 440 V, 500 V, and 575 V AC.
Examples-
Mining equipment & Machines.
3 Ph. Motors for Mining equipment.
Compressor Motors for drilling equipment.
 
 
 
 



MODELS