Thyristor Time Delay Relay Manufacturer,Supplier and Exporter in India

Thyristor Time Delay Relay

Product Code : JL-PET-1421

Thyristor Time Delay Relay

  • Study of delayed Turn-ON of D.C. load.
  • Study of auto Turn-OFF of D.C. load.
  • Study of delayed Turn-ON of TRIAC as line switch.
  • Study of auto Turn-OFF of TRIAC as line switch.


The board consists of the following built in parts:-

  • 12V D.C. at 2 Amp, Power Supply internally connected
  • UJT 2N 2646 used as timer
  • Potentiometer for ramp control to adjust time delay
  • Set of 3 Capacitors for time delay control
  • Two SCRs connected in parallel coupled mode
  • Commutation capacitor.
  • Push button switch for starting
  • TRIAC for A.C. line switch
  • Lamp holder with 15 watt 230V lamp for A.C. load
  • Adequate no. of other Electronic Components
  • The unit is operative on 230V ±10% at 50Hz A.C. Mains
  • Adequate no. of patch cords stackable 4 mm spring loaded plug length ½ metre
  • Good Quality, reliable terminal/sockets are provided at appropriate places on panel for connections/observation of waveforms
  • Strongly supported by detailed Operating Instructions, giving details of Object, Theory, Design procedures, Report Suggestions and Book References.

Weight :

  • 3 Kg. (Approx.)


  • W 340 x H 110 x D 210
  • Other Apparatus Required
  • Digital Multimeter 3¾ digit - Order Code 16901
  • Digital Stop Clock
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Office Address

Works: 2475-84,
Hargolal Road,Ambala, Haryana

[email protected]


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