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Relays & Contactors

Our product range contains a wide range of Single Phase Preventer

Single Phase Preventer

  • System Voltage 415 V +/-20
  • Frequency Range 50 Hz +/- 5% (47.5 Hz to 52.5Hz)
  • Auxilliary Supply 415V / 215 V / 110 V +/-20%, 50 Hz
  • Under Voltage operation Yes at 60% (machine incoming voltage)
  • Unbalanced Voltage 10% or 20%
  • Setting User selectable
  • Output Contact IC/O Contact
  • Trip Time Delay Fixed delay 2.5 sec +-0.5sec
  • Recommend Wiring 1.0 Sq. mm
  • Power Consumption Less than 2VA
  • Enclosure High impact polystyrene moulded with nylon modulded connection strip
  • Relay Operation Relay is energized in healthy supply conditions and trips on single phasing

More than 90% of burn out of motors are caused by unbalanced voltage supply or phase failure. These faults are mostly undetected by conventional overload relays and due to which normal overload protection doesn't trip on time. Thus there is a need for a Single Phase Preventer which senses true negative phase sequence and trips the motors.

Technic Single Phase Preventer (SPP) is specifically designed to protect motors from working in unfavorable conditions such as single phasing and unbalanced voltage. When wrong phase sequence is detected by Technic SPP, the motor is automatically switched off and thus prevents rotation of the motor in reverse direction. Technic SPP can be used in any HP rated motor.

Features:
  • True negative phase sequence voltage detection
  • LED for relay operation indication.
  • Definite time delay to avoid tripping miss.
  • Self powered electronic circuitry.
  • Fully Static.
  • Wide range of operating temperatures.
  • Low power consumption.
  • DIN rail or panel mounting.
  • Professionally designed and tested.
  • Small size and aesthetic appearance.
  • A quality product of Technic.
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  • Technic Electronic Corporation (Technic Electronic Corporation)
  • 403,404 EXIM LINK, OPP: INDIRA CONTAINER YARD, MULUND LINK ROAD, NEAR NAHUR RLY STATION, NAHUR MUMBAI-400078 , PHONES: 022-67415685-93, Goregaon, Maharashtra
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