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Triac AC Line Switching

Triac AC Line Switching

Product Code : JA-PET-1420

The TRIAC AC line switching trainer is a power electronics board for studying the TRIAC as a static switch for AC loads. It covers line-triggered, DC-triggered, self-latching and UJT-triggered switching, including UJT triggering controlled by an external transducer through a transistor. A 40 W lamp shows the switched power, and an isolation transformer protects external instruments that are not isolated (SKU JA-PET-1420).

Specifications

Built-in parts and ratings listed:

ProductTriac AC Line Switching
SKUJA-PET-1420
Isolation transformer230 V AC, 250 mA
DC supply12 V DC at 250 mA, IC regulated, for DC triggering
DeviceTRIAC under experiment
TriggeringTwo push button switches; UJT 2N2646 relaxation oscillator; 1:1 pulse transformer
Transducer controlNPN transistor for UJT control from an external transducer
LoadLamp holder with 40 W lamp
Mains230 V ±10%, 50 Hz AC; ON/OFF switch, fuse and jewel light
Patch cords4 mm stackable, 0.5 m
Weight5 kg approx.
DimensionsW 412 x H 150 x D 310 mm
Also required3 3/4 digit multimeter; 20 MHz dual trace CRO (unearthed)

Experiments on the line switching trainer

The listed experiments are:

  • TRIAC as a line-triggered AC power switch
  • TRIAC as a DC-triggered AC power switch
  • TRIAC as a self-latching line switch
  • TRIAC as a UJT-triggered AC power switch
  • UJT-triggered switching with external transistor control from a transducer

Scope of supply and ordering

The listing covers the line switching trainer with lamp, patch cords and operating instructions, supplied by JaincoLab. Lead time and packing depend on the order size and are confirmed when we quote.

Frequently asked questions

Which TRIAC switching methods does the trainer cover?
Line triggering, DC triggering, self-latching and UJT triggering, including transducer control.

How is the switched power shown?
By a 40 W lamp in a lamp holder on the panel.

Related products

See the power electronics trainers range for other items in this family.

Request a quote

Enquiries for the Triac AC Line Switching can be sent with the quantity needed through our contact page. For tender or project supply, see our tenders page.

Last updated: September 2026

   
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Office Address

Jain Scientific Suppliers
2475-84, Hargolal Road,
Ambala Cantt, Haryana, India

[email protected]

+91-85699-09696

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