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  • Sensing motor winding temperature through PTC Thermistors.
  • Winding overheating, sensor short, sensor open faults.
  • Suitable for single, triple or 6/9/12 PTC’s
    Supply Voltage
  • Auxillary 10-120/220-240/380-440 V AC/24 V DC 50Hz(60 Hz)±10%
    Output Contacts
  • Output Contacts1 CO
    Trip Setting
  • Thermistor Sensor Healthy40 Ohm - 4 K ohm
  • Thermistor Sensor Trip4.1 K ohm - 5.5 K ohm
  • Thermistor Sensor Open5.6 K ohm and above
  • Thermistor Sensor Short39 ohms and below
    Trip Time Delay
  • Trip Time DelayLess than 2 secs.
    Resetting
  • ResettingBelow 1.51 K
    Dimensions (mm)
  • Overall (L x W x D)76 x 30.5 x 117.5
  • Mounting (L x W)68 mm centre to centre / 35 mm Rail Mounting
    Weight
  • Weight300 gms.
    Resetting Mode
  • Resetting ModeAuto / Manual (Optional)
    Note:
  • Wherever not specified Contact Rating: 5A @ 230 V AC (resistive)
Relay contact position shown in 'Power off' condition
Winding over heating for motors used in:
  • Injection Molding M/Cs
  • Machine Tools
  • Drilling Equipments
  • Crane & Hoist Motors
  • Compressors & Fan Motors OR
  • Transformer Control Panel
 

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