Grounding Scheme & Selectivity Panel Manufacturer,Supplier and Exporter in India
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Product Code : SCL-EELE-11919
Indian Lab Suppliers supplies the Grounding Scheme & Selectivity Panel (Product ID: 11919) as part of its electronics engineering lab equipment range. It is a box for studying protection of people and property in an installation with a TT earthing scheme.
Quick Answer
An isolating transformer supplies the box, and a set of resistors simulates the human body or different items of equipment connected to the network. Protection devices include an adjustable residual-current (differential) relay, a circuit breaker with a shunt-trip coil, and circuit breakers with 300 mA and 30 mA residual-current protection; the 30 mA level is the one used to protect people against electric shock. Students compare earthing schemes, work out fault currents, see what each device does, choose the protection that suits an installation, and study current-based and time-based selectivity.
Key Specifications
| Parameter | Detail |
|---|---|
| Earthing scheme | TT |
| Supply | Isolating transformer |
| Fault simulation | Set of resistors (human body or equipment) |
| Residual-current protection | Adjustable differential relay; 300 mA and 30 mA RCD circuit breakers |
| Other breaker | Circuit breaker with shunt trip |
| Selectivity studied | Current and time selectivity |
Where This Is Used
Used in electrical installation courses with Building Protective System (Product ID: 11923) and Under And Over Voltage Relay Setup (Product ID: 10407). Faults are created on purpose: work only through the isolating transformer and under supervision. Browse the full Electronics Engineering Lab Equipment range or related Electricity and Magnetism products.
Frequently Asked Questions
Which earthing scheme is studied?
TT.
What do the resistors represent?
The human body or equipment connected to the network.
Which residual-current ratings are included?
30 mA and 300 mA, plus an adjustable relay.
Related Categories
Electronics Engineering Lab Equipment · Electricity and Magnetism · Engineering Lab Equipment
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