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Schneider Electric Acti9 RCBO - A9DC3606

Schneider Electric Acti9 RCBO - A9DC3606

This earth leakage circuit breaker with overcurrent protection (RCBO) from Schneider Electric's Ac...

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Product Information

Full details

This Schneider Electric Acti9 iCV40 RCBO (A9DC3606) is designed for electricians and homeowners seeking robust protection for low-voltage electrical networks. Its key benefit is the combined safeguarding against both ground fault and overcurrent hazards, with a VisiTrip indicator for quick fault identification. A potential consideration is its 6 kA breaking capacity, which may not be sufficient for very high fault current environments.

All features

SeriesActi9
Model Part NumberA9DC3606
BrandSchneider Electric

Extended Product Information

FAQs

What is the difference between an RCBO and an RCD?

An RCD (Residual Current Device) only detects earth leakage faults. An RCBO (Residual Current Breaker with Overcurrent protection) combines the functions of an RCD and an MCB (Miniature Circuit Breaker), providing protection against both earth leakage and overcurrent/short circuits in a single device.

What does the 30mA trip sensitivity mean?

The 30mA (milliampere) trip sensitivity indicates that the RCBO will disconnect the circuit if it detects an earth leakage current of 30mA or more. This level is considered safe for protecting individuals from electric shock.

Is this RCBO suitable for a main incoming power supply?

This specific model (A9DC3606) has a 6 kA breaking capacity and a 6A rating, making it more suitable for protecting individual circuits or smaller distribution boards rather than the main incoming supply to a large building, which typically requires a higher breaking capacity.

How do I reset the RCBO after a trip?

First, identify and rectify the cause of the trip (e.g., remove the overload or fault). Then, simply push the switch lever back to the ON position. If the fault persists, the RCBO will trip again.

What is the function of the VisiTrip indicator?

The VisiTrip indicator is a visual flag that appears when the RCBO has tripped due to an earth leakage or overcurrent fault. It helps to quickly identify which device has tripped in a crowded distribution board.

Can I use this RCBO in a non-Schneider Electric consumer unit?

As long as the consumer unit has a standard 35mm DIN rail and sufficient space, this RCBO should be compatible. However, always verify compliance with local electrical regulations and consult a qualified electrician if unsure.

Troubleshooting

RCBO trips frequently

Check for overloaded circuits, excessive leakage current from connected appliances, or incorrect wiring. Test the RCBO with the test button; if it doesn't trip, replace the unit. Consult a qualified electrician.

RCBO does not trip when the test button is pressed

The earth leakage protection mechanism may be faulty. Replace the RCBO immediately. Do not use the circuit until the RCBO is replaced.

VisiTrip indicator is not showing

If the RCBO has tripped due to an overcurrent or earth leakage fault, the VisiTrip indicator should be visible. If it's not, ensure the breaker has indeed tripped. If it has tripped and the indicator is not visible, the indicator mechanism might be faulty, but the primary protection function should still be operational.

Difficulty mounting on DIN rail

Ensure the DIN rail is standard 35mm width and properly secured. Check that the RCBO's mounting clip is not damaged.

Pros and Cons

Pros

  • Provides dual protection against overcurrent and earth leakage faults.
  • VisiTrip indicator simplifies fault diagnosis.
  • Compact design saves space in electrical panels.
  • Designed for reliable performance in standard low-voltage applications.
  • Easy installation on standard DIN rails.

Cons

  • Limited to a 6 kA breaking capacity, potentially unsuitable for high-fault current areas.
  • Requires specific knowledge for correct wiring and application.
  • Not suitable for DC circuits.
  • Single pole + neutral configuration limits its use to specific circuit types.

Setup, Compatibility & Care

Setup:

  1. Ensure the main power to the distribution board is switched OFF.
  2. Mount the RCBO onto a standard 35mm DIN rail within the electrical enclosure.
  3. Connect the incoming live (line) wire to the top terminal and the incoming neutral wire to its corresponding terminal.
  4. Connect the outgoing live (line) wire for the protected circuit to the bottom line terminal and the outgoing neutral wire to the bottom neutral terminal.
  5. Always refer to the manufacturer's wiring diagram and local electrical codes for correct installation.

Compatibility:

  • Designed for use in AC single-phase systems with a rated voltage of 230V.
  • Compatible with standard 50/60 Hz power frequencies.
  • Suitable for use with conductors compatible with its terminal types and current rating.

Care:

  • Keep the device clean and free from dust and moisture. A dry cloth is sufficient for cleaning; avoid solvents.
  • Periodically test the RCBO's functionality using the integrated test button (if applicable and as per local regulations) to ensure the earth leakage protection is active.
  • Ensure ventilation around the device within the enclosure is not obstructed.

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