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5 Yrs
Block No. 782, Pramukh Industrial Estate, Near Shilp Gravures, Village Rakanpur, T.A. Kalol
Gandhinagar, Gujarat-382721, India+(91)-2764-286487
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Thermal Overload Relay PK - 1

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Salient Features

  • All relays are bearing ISI mark as per IS/IEC 60947 (Part-4/Section-1) .
  • Relay cover full range of current
  • PK - 1 : 2.5 Amp to 14 Amp.
  • The triple pole bimetallic thermal overload relay is of the hand-reset type. It unmistakably indicates overload. A temperature compensation device prevents the relay from being affected by variation in ambient temperature.
  • The entire relay unit is housed in Bakelite enclosure and is accurately calibrated and individually tested on an automatic test bench. Setting can be adjusted by means of a pointer.
  • Satisfactory operation at all ambient temperatures from –5 C to 55 C with the help of temperature compensating device.
  • PK1 relays are manual reset type.
  • These relays are provided with auxiliary contacts having thermal capacity of 6A and 2A, AC-15 at 415V, 50Hz.
  • These relays are suitable for direct mounting on Type PC contactors.
  • PK1 relays are suitable for trip class of 10A as per IS: 60947 (Part-4/Section-1).
  • Compact and most reliably designed.


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