How to Use RCBO AVDT32ML C25 30mA: Examples, Pinouts, and Specs

Introduction

The RCBO AVDT32ML C25 30mA (Manufacturer Part ID: MVD12-1-025-C-030) is a Residual Current Circuit Breaker with Overcurrent protection (RCBO) manufactured by IEK. This device combines the functionality of a Residual Current Device (RCD) and a Miniature Circuit Breaker (MCB) into a single unit. It is designed to protect electrical circuits from overcurrent (overload and short circuit) and to safeguard users from electric shock caused by earth faults.

Explore Projects Built with RCBO AVDT32ML C25 30mA

Use Cirkit Designer to design, explore, and prototype these projects online. Some projects support real-time simulation. Click "Open Project" to start designing instantly!

ESP32-Controlled Smart Lighting System with Power Monitoring

This circuit appears to be a multi-channel current monitoring system using several ACS712 current sensors to measure the current through different loads, likely bulbs connected to a 220V power source. The current readings from the sensors are digitized by an Adafruit ADS1115 16-bit ADC, which interfaces with an ESP32 microcontroller via I2C communication for further processing or telemetry. A buck converter is used to step down the voltage to power the ESP32 and the sensors, and the system is powered through a 2.1mm DC barrel jack, indicating it is designed for external power supply.

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ESP32-Based Smart Energy Monitoring and Control System

This circuit is designed to monitor AC voltage and current using ZMPT101B and ZMCT103C sensors, respectively, with an ESP32 microcontroller processing the sensor outputs. The XL4015 step-down module regulates the power supply to provide a stable voltage to the sensors, the ESP32, and an LCD I2C display. The ESP32 controls a 4-channel relay module for switching AC loads, and the system's operation can be interacted with via the LCD display and a push switch.

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ESP32C3 Smart Home Energy Monitor with Wi-Fi Control and LED Indicators

This circuit uses an ESP32C3 microcontroller to monitor power consumption via ACS712 current and voltage sensors, control appliances through a relay, and indicate WiFi connection status with green and red LEDs. The relay can be controlled via a web interface, and the red LED indicates WiFi disconnection while the green LED indicates a successful connection.

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ESP32C3-Based Smart AC Light Controller with Voltage Sensing

This circuit appears to be a smart AC power control system. The XIAO ESP32C3 microcontroller is used to monitor AC voltage through the ZMPT101B module and to control a 12v Relay, which in turn switches an AC Bulb on or off. The Mini AC-DC module provides the 5V power required by the microcontroller and the relay, while the AC Wire provides the AC power to the system.

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Common Applications and Use Cases

• Residential and commercial electrical installations
• Protection of circuits in industrial environments
• Safeguarding sensitive equipment from electrical faults
• Ensuring compliance with safety standards in electrical systems

Technical Specifications

The following table outlines the key technical details of the RCBO AVDT32ML C25 30mA:

Pin Configuration and Descriptions

The RCBO has the following terminal connections:

Usage Instructions

How to Use the RCBO in a Circuit

1. Mounting: Install the RCBO on a standard 35mm DIN rail in the distribution board.
2. Wiring:
   • Connect the incoming live wire to the L (Line In) terminal.
   • Connect the incoming neutral wire to the N (Neutral In) terminal.
   • Connect the outgoing live wire to the L (Line Out) terminal.
   • Connect the outgoing neutral wire to the N (Neutral Out) terminal.
3. Testing:
   • After installation, press the Test Button on the RCBO to verify its functionality. The device should trip immediately, indicating proper operation.
4. Resetting:
   • To reset the RCBO after a trip, switch the lever to the "OFF" position and then back to the "ON" position.

Important Considerations and Best Practices

• Ensure that the RCBO's rated current (25A) matches the circuit's load requirements.
• Do not exceed the rated residual current sensitivity (30mA) for earth fault protection.
• Always turn off the main power supply before installing or servicing the RCBO.
• Use appropriate wire sizes as per the circuit's current rating to avoid overheating.
• Regularly test the RCBO using the test button to ensure it remains functional.

Arduino Integration

The RCBO is not directly compatible with Arduino or other microcontrollers, as it is a high-voltage protection device. However, it can be used in circuits that power Arduino-based systems to ensure safety and prevent damage from electrical faults.

Troubleshooting and FAQs

Common Issues and Solutions

FAQs

1. Can the RCBO be used in outdoor installations?

   • No, the RCBO has an IP20 rating and is not suitable for outdoor use. It must be installed in a protected enclosure.

2. What is the purpose of the test button?

   • The test button simulates a fault condition to verify the RCBO's functionality. It should be tested periodically.

3. Can this RCBO protect against lightning strikes?

   • No, the RCBO is not designed for surge protection. Use a surge protection device (SPD) for lightning protection.

4. What is the difference between Type C and Type B tripping curves?

   • Type C RCBOs are designed for circuits with moderate inrush currents (e.g., lighting or small motors), while Type B is for purely resistive loads.

By following this documentation, users can safely and effectively install and operate the RCBO AVDT32ML C25 30mA in their electrical systems.