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Circuit Breaker Trainer
Circuit Breaker Trainer (Product Code: SLE/EPS/06) is a protection-device trainer used to test and compare fuses and circuit-breakers under controlled fault currents in electrical engineering, polytechnic and electrician training labs. Its four circuits each carry a different protective device, and an internal variable transformer sets the fault current in each one. It is made by Jain Scientific Equipments Pvt Ltd (ScienceLab), an OEM manufacturer, at its own factory in Ambala, India.
Key Details
| Parameter | Detail |
|---|---|
| Test circuits | Four, each with a different current protection device |
| Protection devices | Fuses, magnetic-only circuit-breaker, thermal-only circuit-breaker and thermomagnetic circuit-breaker |
| Fault current control | Variable transformer inside the unit works with the load to set and control the fault current in each circuit |
| Circuit one | Additional adjustable residual current detector for experiments with different residual current faults |
| Circuit two | Tests fuses; ‘fuse break’ detector circuit with lamps showing when each fuse breaks |
| Circuit three | Remote and local control keyswitches to switch its contact breaker and break the circuit |
| Switching | Each circuit has a contact breaker switched by an industrial standard discrepancy switch |
| Earth leakage setting | Digital display and switches to set the earth leakage fault current before the test |
| Product code | SLE/EPS/06 |
| Manufacturer | Jain Scientific Equipments Pvt Ltd (ScienceLab) — OEM |
| Country of origin | India (made in Ambala, Haryana) |
What Is the Circuit Breaker Trainer Used For?
The trainer answers a question every electrician and power engineer must understand: how quickly does each protective device clear a given fault current? Students set a fault current, apply it and note the breaking time, building up the fault current and breaking time relationship for different fuse types and comparing it with magnetic, thermal and thermomagnetic breakers.
It also covers earth leakage and switching practice. On circuit one, students set the earth leakage fault current on the digital display and try the adjustable residual current detector against different residual current faults. Circuit three’s local and remote keyswitches show how a control room operator or a remote operator switches a circuit on or off in a real installation — which makes this useful vocational training lab equipment for electrician courses.
What to Specify When Ordering
- The mains supply available in your laboratory.
- The fuse types you want students to compare.
- Whether you need replacement fuses for repeated tests — ask us about availability.
- Number of trainers, for example one per student group.
OEM Manufacturer
ScienceLab is the trade name of Jain Scientific Equipments Private Limited, the OEM (original equipment manufacturer) that builds the Circuit Breaker Trainer at its own licensed factory in Saha, Ambala, Haryana, India. Colleges, training institutes, dealers and importers buy direct from the factory rather than through a trader.
That gives you manufacturer quotations and one point of contact for spares and repeat orders — ask us whenever you need them. Company details are on the ScienceLab profile.
Related Power & Energy Systems Trainers
Pair the Circuit Breaker Trainer with these items to extend protection studies:
- Overcurrent And Earth Fault Relay — relay-based overcurrent and earth fault protection to compare with fuses and breakers.
- Directional/Non-Directional Overcurrent Relay — IDMT overcurrent curves for time-grading exercises.
- Power System Simulator Generator — relays operating circuit-breakers around a generator.
- Digital Multimeter — for checking circuits and fuses between tests.
Browse all Power & Energy Systems Trainers for further protection and power systems equipment.
Frequently Asked Questions
What protection devices does the Circuit Breaker Trainer include?
The Circuit Breaker Trainer (SLE/EPS/06) has four circuits, each with a different current protection device: fuses, a magnetic-only circuit-breaker, a thermal-only circuit-breaker and a thermomagnetic circuit-breaker, so students can compare how each reacts to fault current.
How is the fault current set on the Circuit Breaker Trainer?
In the Circuit Breaker Trainer, a variable transformer inside the unit works with the load to set and control the fault current in each of the four circuits. A digital display and switches help set the earth leakage fault current before a test.
How do students see when a fuse breaks?
Circuit two of the Circuit Breaker Trainer tests fuses and includes a fuse break detector circuit with lamps that show students when each fuse breaks. This helps them plot the fault current and breaking time relationship for different fuse types.
Can the trainer demonstrate residual current faults and remote switching?
Yes. Circuit one of the Circuit Breaker Trainer has an adjustable residual current detector for different residual current faults, and circuit three has local and remote control keyswitches that show how control-room and remote operators switch circuits.
Who manufactures the Circuit Breaker Trainer?
Jain Scientific Equipments Pvt Ltd (ScienceLab) is the OEM that manufactures the Circuit Breaker Trainer at its own licensed factory in Saha, Ambala, Haryana, India. Buying direct means quotations, repeat units and spare-part requests are answered by the maker.
Is a calibration certificate available for the digital display?
Calibration-certificate availability for the Circuit Breaker Trainer’s digital display should be discussed with ScienceLab before ordering. Raise it on our contact page together with your quantity and mains supply, and we will advise what can be provided.
Request a Quote
For Circuit Breaker Trainer (SLE/EPS/06) pricing, write to us via the contact page or use the enquiry cart. The quotation is issued directly by the manufacturer for supply across India and international markets.
Last updated: 24 September 2026
