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Temperature Protection Relays

Temperature Protection Relays
Temperature Protection Relays
Product Code : WTR D1
Brand Name : MINILEC
Product Description

Temperature Protection Relays

Relaying on the technical expertise and outstanding experience of our team of resources, we have been successful in carving a niche for ourselves as a prominent manufacturer and exporter of Temperature Protection Relays. Our entire gamut is engineered as per international industrial standards and using premium quality raw materials and advanced technology. These protection relays are closely examined by our experienced quality controllers on various quality parameters.  Available at market leading prices, these Temperature Protection Relays are widely appreciated owing to their sturdy construction, long operational life and low maintenance features.


  • Sensing motor winding temperature through PTC Thermistors.

  • Winding overheating, sensor short, sensor open faults.

  • Suitable for single, triple or 6/9/12 PTC's

Technical Specifications

Supply Voltage
Auxiliary: 110-120/220-240/380-440 V AC/24 V DC 50Hz(60 Hz)+10%
Output Contacts: 1 CO

Trip Setting

  • Thermistor Sensor Healthy: 40 ohm - 4 K ohm

  • Thermistor Sensor Trip: 4.1 K ohm - 5.5 K ohm

  • Thermistor Sensor Open: 5.6 K ohm and above

  • Thermistor Sensor Short: 39 ohms and below

Trip time delay: Less than 2 secs.
Resetting: Below 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: 300 gms.
Resetting Mode: Auto / Manual (Optional)

Note: Wherever not specified Contact Rating : 5A @ 230 V AC (resistive)


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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  • Contact Details
  • S.No.1073/1-2-3, At Post Pirangoot, Mutha Road, Tal. Mulshi,Pune - 412111, Maharashtra, India
  • Phone : +917259412813
  • Fax : 91-20-22922134/66524695/25432349

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