Step Down Transformer
Product Code : SCL-EI-12118
Quick Answer: This Step Down Transformer gives a fixed 6V AC output at 2 Amperes from 220V - 240V AC mains. It is meant for driving the electromagnet in sonometer experiments to find the AC mains frequency.
Last updated: October 2026
Key Features
Fixed 6V AC output 2 Amperes continuous Laminated silicon steel core Double-insulated, vacuum-impregnated copper windings Ventilated, powder-coated metal case 4mm shrouded sockets and primary glass fuse
Technical Specifications
Specification Value
Input voltage 220V - 240V AC, 50Hz
Output 6V AC (fixed)
Current rating 2 Amperes (continuous)
Core Laminated silicon steel
Windings Double-insulated, vacuum-impregnated copper
Case Ventilated metal, powder-coated
Terminals 4mm shrouded sockets, colour-coded
About This Product
In the sonometer method the transformer’s low-voltage output drives an electromagnet beside the steel wire, which then vibrates at the mains frequency. Students adjust the bridges until the wire resonates and use its length and tension to work out the frequency of the supply.
Frequently Asked Questions
What is this step down transformer used for?
It supplies 6V AC to the electromagnet in the sonometer experiment for finding the frequency of AC mains.
Related: Electronic Instruments , Sodium Lamp Transformer and Step Up Transformer Model STEM Lab .
For a quotation on the Step Down Transformer, contact Educational Instrument .
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