Plug-in Power 3V Supply with Low-Voltage Plug Manufacturer,Supplier and Exporter in India

Product Code : SCL-EI-10733

The 3V Plug-in Power Supply is a low-voltage electrical power source used for supplying 3V output to compatible school circuit boards, plug-in electronics trainers and student electricity experiments. It is designed for physics labs, STEM classrooms and electronics practical sessions where controlled low-voltage power is required.

Product Description

The 3V Plug-in Power Supply with low-voltage plug provides a simple classroom power option for selected low-voltage circuit demonstrations. It can support experiments involving lamps, LEDs, buzzers, small motors, switches and basic plug-in circuit elements when all connected components are rated for 3V operation.

This product is suitable for practical electricity lessons where students need a compact supply instead of loose cells or improvised wiring. It fits naturally within the Electronic Instruments range and can be used with compatible circuit teaching products such as Basic Electrical Circuits and the Universal Plugboard.

Key Features

• 3V low-voltage output: Provides a fixed 3V supply for compatible student circuit experiments.
• Plug-in connection: Uses a low-voltage plug for cleaner and faster classroom setup.
• Student-friendly power source: Helps reduce loose battery handling during repeated practical sessions.
• Useful for basic loads: Suitable for 3V-rated lamps, LEDs, buzzers and small motor demonstrations.
• Compact teaching accessory: Works as a support item for plugboards and electrical experiment kits.
• Reusable lab equipment: Intended for repeated supervised use in physics and STEM labs.
• Safety-focused specification: Current rating, polarity, plug size and input voltage must be confirmed before use.

Technical Specifications

What's Included in the Kit

• 1 3V plug-in power supply with low-voltage plug
• Power cord or integrated mains plug
• Instruction sheet, if supplied
• Additional connecting lead or adapter, if supplied

Applications / Uses

• Powering 3V-rated student circuit experiments.
• Supplying low-voltage power to compatible plug-in boards and circuit modules.
• Running basic lamps, LEDs, buzzers and small motors within confirmed ratings.
• Supporting classroom activities on current, voltage, polarity and closed circuits.
• Using with related power products such as Power supply unit 1-12 V / 6 A AC/DC.
• Comparing fixed 3V output with variable supplies such as AC/DC power supply 2-14 V 3 A.

How to Use the 3V Plug-in Power Supply with Low-Voltage Plug

1. Confirm that the experiment board and connected components are rated for 3V operation.
2. Inspect the power supply, low-voltage plug, cable and casing before use.
3. Place the circuit board on a dry, insulated laboratory bench.
4. Connect the low-voltage plug to the compatible input socket on the circuit board or module.
5. Switch on the supply only after the circuit has been checked by the teacher or technician.
6. Observe the lamp, LED, buzzer, motor or meter response during the experiment.
7. Switch off and unplug the supply before changing the circuit.

Safety note: Use only with compatible 3V low-voltage educational circuits. Do not open the casing, overload the supply, short the output terminals or connect it to unverified equipment.

Care & Maintenance

• Keep the power supply dry, clean and away from chemicals or metal filings.
• Store the cable loosely to avoid strain at the plug and casing.
• Check the low-voltage plug and insulation before every practical session.
• Remove damaged units from classroom use until checked by a qualified technician.

Why Choose Lab Glassware Manufacturer

Lab Glassware Manufacturer supplies laboratory glassware, scientific instruments, physics apparatus, electronic instruments, lab experiment setups, STEM models and educational kits for schools, colleges, universities and institutional buyers. The company supports classroom-ready products for distributors, laboratories and export customers. Buyers can combine this supply with related accessories such as the Plug-in Battery Holder Element for flexible student electricity demonstrations.

Frequently Asked Questions

What is a 3V plug-in power supply used for?

A 3V plug-in power supply is used to provide low-voltage power for compatible school circuit boards and student electronics experiments. It is useful for 3V-rated lamps, LEDs, buzzers and small motors.

Is the output AC or DC?

The final output type must be confirmed before publishing. Check whether the unit provides 3V AC, 3V DC or a specified adapter configuration.

Can students use it in school physics labs?

Yes. It is suitable for supervised school physics and STEM laboratories when used only with compatible low-voltage circuits.

Can it replace batteries in circuit experiments?

It can replace batteries only where the experiment requires a compatible 3V supply and the plug, polarity and current rating match the circuit board.

What should be checked before connecting it?

Check the output voltage, AC/DC type, current rating, plug size, polarity, input voltage and protection features before use.

Can it be used with any plug-in board?

No. It should be used only with boards that match the plug type, voltage rating and polarity of the power supply.

Request the 3V Plug-in Power Supply with low-voltage plug for school circuit experiments, or browse more student power supplies in our Electronic Instruments category.

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