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AL-1405 STUDY OF EARTH AND RESIDUAL CURRENT CIRCUIT BREAKER

AL-1405 STUDY OF EARTH AND RESIDUAL CURRENT CIRCUIT BREAKER

Project Information

  • Category: ELECTRICAL ENGINEERING
  • Sub Category: ELECTRICAL ENGINEERING
  • Model Number: AL-1405

Description

AL-1405 STUDY OF EARTH AND RESIDUAL CURRENT CIRCUIT BREAKER

Detailed Technical Specifications

Reference: AL-E1405

The equipment shall be an educational training module designed for practical study of electrical hazards, protective earthing, residual-current protection and fault-current paths in low-voltage electrical installations.

1. Main Requirements

Parameter

Required Specification

Equipment

Educational Earthing & RCD Training Module

Reference

AL-E1405

Application

Study of protective earthing and residual-current protection

Earthing Systems

TT, TN and IT

Protection Devices

Thermal-magnetic circuit breaker and RCD

Insulation Protection

Insulation Monitoring Device (IMD), where applicable

Fault Study

Controlled and safe fault simulation

Standard

NF C 15-100 principles

Training Mode

Practical demonstrations, measurements and exercises

Safety

Protected terminals and controlled fault circuits

2. Educational Objectives

The system shall enable students to:

  • Understand electrical hazards qualitatively and quantitatively.
  • Understand the role of the earth/protective conductor.
  • Identify characteristics of TT, TN and IT earthing systems.
  • Understand the purpose and operation of a residual-current circuit breaker/RCD.
  • Understand the function of thermal-magnetic circuit breakers.
  • Understand insulation monitoring and its application in IT systems.
  • Trace fault-current paths safely.
  • Observe the response of protective devices to earth/leakage faults.
  • Apply relevant NF C 15-100 protection principles.

3. Practical Experiments

The equipment shall permit practical study of:

  1. Electrical hazards and protection.
  2. Protective earthing arrangements.
  3. TT earthing system.
  4. TN earthing system.
  5. IT earthing system.
  6. Earth-fault current paths.
  7. Operation of thermal-magnetic protection.
  8. Operation of an RCD/residual-current circuit breaker.
  9. Leakage/residual-current measurement.
  10. Controlled earth-fault simulation.
  11. Protective-device operation and automatic disconnection.
  12. Comparison of different earthing arrangements.

4. Measurement & Test Facilities

Suitable test points and/or instruments shall permit observation/measurement of:

  • Supply voltage.
  • Fault voltage.
  • Fault current.
  • Residual/leakage current.
  • Protective conductor current.
  • Earth-related parameters.
  • Insulation condition, where applicable.
  • RCD operating response.

5. Safety

The module shall include:

  • Safe, insulated connection terminals.
  • Overcurrent protection.
  • RCD protection.
  • Protective earthing.
  • Controlled fault-generation circuitry.
  • Emergency isolation/safety facility.
  • Clearly marked test points and controls.
  • Warning labels.
  • Protection against direct access to hazardous live parts.

6. Supply & Documentation

The supplier shall provide:

  • Complete training module.
  • Required protection devices.
  • Earthing and connection accessories.
  • Test leads/patch cords.
  • Circuit and connection diagrams.
  • Teaching manual.
  • Practical exercise manual.
  • Safety instructions.
  • Manufacturer's technical datasheet.

7. Supplier Confirmation

Supplier shall confirm:

  • Exact manufacturer and model.
  • Catalogue or custom-built status.
  • Point-by-point compliance.
  • Complete BOM and accessories.
  • Dimensions and weight.
  • Required utilities.
  • Electrical/mechanical interfaces.
  • General arrangement and circuit drawings.
  • Safety certificates/declarations.
  • Capacity and test evidence.
  • Delivery and installation schedule.
  • Site-support schedule.
  • Warranty.

All assumptions, exclusions and deviations.

Technical Details