Triac A.C. Line Switching

Product Code: JL--1420

Power Electronic Training Board 

Study of TRIAC as line triggered A.C. power switch

Study of TRIAC as D.C. triggered A.C. power switch

Study of TRIAC as self latching line switch

Study of TRIAC as UJT triggered A.C. power switch

Study of TRIAC as UJT triggered A.C. power switch with external transistor control from transducer


The board consists of the following built in parts:

An isolation transformer 230VA.C. 250mA. This protects external instruments from damage if they are not isolated

12V D.C. at 250 mA, IC Regulated Power Supply for D.C. Triggering

The TRIAC under experiment

Two push button switches for triggering

UJT 2N 2646 connected in relaxation oscillator mode to provide triggering pulses

Pulse transformer 1:1

NPN Transistor for UJT control with external transducer

Lamp holder with 40 Watt lamp for load in power control indicator

Adequate no. of other Electronic Components

Mains ON/OFF switch, Fuse and Jewel light

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 : 5 Kg. (Approx.)

Dimension : W 412 x H 150 x D 310

Other Apparatus Required:

Digital Multimeter 3¾ digit - Order Code 16901

Dual Trace Cathode Ray Oscilloscope 20MHz (Unearthed)

Other Information

Pay Mode Terms: T/T (Bank Transfer)

Port of Dispatch: India

Delivery Time: 4 weeks

Packaging Details: Corrugated Box

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