s1-sur1
  • Protection against Phase Failure & Phase Unbalance
  • Fixed Unbalnce setting
  • 1 CO Relay Contact
    Supply Voltage
  • System 415 VAC ± 20%, 48 Hz - 63 Hz ± 3%
  • Auxillary Built In
    Output Contacts
  • Output Contacts1 CO
    Trip Setting
  • Phase Sequence N.A.
  • Phase Unbalance 60 V ± 6 V (fixed)
    Trip Time Delay
  • On Phase Failure3.5 sec. ± 1.5 sec.
    Resetting Mode
  • Reset Auto
    Weight
  • Weight70 gms (Approx.)
    Dimensions (mm)
  • Overall (L x W x D)96 X 17.5 X 60
  • Mounting (L x W)35 mm DIN rail mounting
    Note:
  • Wherever not specified Contact Rating : 5A @ 230 V AC (resistive)

Relay contact position shown for relay in 'Power off' condition

Suitable for Panels in Following Apllications:

  • Agricultural Pump Starters
  • 3 Ph. Split AC machines
  • Hoist Motor Control
  • Valve Actuator Motor
  • Machine Tools
  • Injection Molding M/c

All Products