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Power Supply, Stepped
Power Supply, Stepped (Product Code: SLE/PHY/116) is a low-voltage AC/DC bench supply used to power electricity, magnetism and heating experiments in school and college physics labs. It gives 2–12 V AC or DC in 6 steps from a 230 V AC, 50 Hz input, with a cooling fan and built-in microprocessor overload protection. It is supplied by Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India, as a power supply unit for lab use in India.
Specifications
| Parameter | Detail |
|---|---|
| Output | 2–12 V AC/DC in 6 steps |
| Input | 230 V AC, 50 Hz |
| Current | 5 A |
| Protection | Built-in microprocessor overload protection |
| Cooling | Cooling fan |
| Dimensions (W x H x D) | 180 x 110 x 145 mm |
| Product code | SLE/PHY/116 |
| Supplied by | Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India |
What Is the Stepped Power Supply Used For?
A stepped supply gives students fixed, repeatable voltages without the risk of over-turning a knob. Typical uses include lighting lamps in series and parallel circuits, driving electromagnets and small motors, running induction and transformer demonstrations on the AC output, and powering heating coils or electrolysis cells on DC.
Start on the lowest step and increase one step at a time, switching off before changing connections. Keep the total load within the 5 A current rating, and leave space around the case so the cooling fan can draw air. If the overload protection operates, remove the fault or reduce the load before switching back on.
What to Specify When Ordering
- Whether your experiments need the AC output, the DC output or both.
- Quantity — one per bench or one per demonstration table.
- Mains supply at the destination — the unit is listed for 230 V AC, 50 Hz input.
- Connecting leads and a meter, if your laboratory does not already have them.
Supplier
Jain Scientific Equipments Private Limited, which trades as ScienceLab, supplies the Power Supply, Stepped to schools, colleges and dealers from Ambala, Haryana, India. For vendor registration and import paperwork, the supplying company's Importer-Exporter Code is AAECJ8618A (DGFT) and its GSTIN is 06AAECJ8618A1ZT. Read more about the business on our company profile.
Related Physics Lab Equipment
Items commonly connected to this power supply:
- Rheostat — varies the current between the fixed voltage steps.
- Stackable Leads — connect the supply to circuit boards and apparatus.
- Standard Digital Multimeter — checks the actual voltage and current in the circuit.
- Power Supply Variable — an alternative when continuously adjustable voltage is needed.
- Induced Current Apparatus — a coil demonstration that runs from a low-voltage supply.
See all electricity apparatus in our Physics Lab Equipment category.
Frequently Asked Questions
What voltages does the Power Supply, Stepped provide?
The Power Supply, Stepped provides 2–12 V AC or DC in 6 steps, powered from a 230 V AC, 50 Hz mains input. Fixed steps make it easy for students to repeat readings at the same voltage in circuit experiments.
What is the current rating?
The Power Supply, Stepped is listed with a current of 5 A. Keep the combined load of lamps, coils or motors within this figure; the built-in microprocessor overload protection is there to guard the unit if a circuit draws too much.
Does it have overload protection and cooling?
Yes. The Power Supply, Stepped has built-in microprocessor overload protection and a cooling fan. Leave clear space around the case so air can circulate, and reduce the load if the protection operates during an experiment.
What are the dimensions of the unit?
The Power Supply, Stepped measures 180 x 110 x 145 mm (width x height x depth). That compact footprint lets it sit on a student bench beside the circuit board, meters and other apparatus without crowding the workspace.
Who supplies the Power Supply, Stepped?
The Power Supply, Stepped is supplied by Jain Scientific Equipments Pvt Ltd, trading as ScienceLab, from Ambala, Haryana, India. It can be quoted with leads, meters and electricity apparatus so your laboratory order comes from one supplier.
Can it be used outside India?
The Power Supply, Stepped is listed for a 230 V AC, 50 Hz input. Buyers in international markets should confirm that their mains supply matches before ordering; share your requirement through the contact page and we will advise with the quotation.
Request a Quote
To receive a quotation for the Power Supply, Stepped, contact ScienceLab or add it to the enquiry cart with the leads and meters you need.
Last updated: 24 September 2026
