Whether you’re an installer, electrical contractor, or procurement manager, understanding the ins and outs of the ABB DDA204 AC-63/0.1 RCD Block is crucial for safe and compliant installations. Here’s a comprehensive FAQ blog to help you make informed decisions about this essential protective device.
🔌 What is the ABB DDA204 AC-63/0.1?
The ABB DDA204 AC-63/0.1 is a residual current device (RCD) block designed to work in combination with ABB’s S200 and S300P series MCBs. It provides enhanced protection against earth fault currents, indirect contact, and additional protection for direct contact (at 30 mA).
📋 What does “63/0.1” mean?
- 63: The rated current is 63 Amps – the maximum current the RCD can carry.
- 0.1: This refers to 100 mA residual current sensitivity – suitable for indirect contact protection and fire prevention applications.
🧰 Can this RCD Block be used alone?
No. This is a modular add-on block that must be used in conjunction with ABB MCBs (S200/S300P series). It does not function as a standalone unit.
⚡ What types of currents does it detect?
It is designed to detect sinusoidal AC leakage currents only (Type AC), making it ideal for standard AC applications.
🧪 What is the breaking capacity of this RCD?
The DDA204 AC-63/0.1 relies on the breaking capacity of the associated MCB. It provides residual current protection and is not rated for interrupting short-circuit currents alone.
🧾 Does it offer protection from direct contact?
Yes – but only when combined with a 30 mA version of the RCD. The 100 mA version provides additional indirect contact protection, primarily for fire prevention and fault detection.
🔌 How is it connected?
The power supply connection is arbitrary, and it accepts:
- Rigid cables: 25 mm²
- Flexible cables: 25 mm²
🏗️ Where can it be used?
Ideal for residential, commercial, and industrial systems, especially where indirect contact and earth fault protection is essential.
⏱️ What is the operating characteristic?
This RCD block is instantaneous, meaning it disconnects the circuit rapidly when a leakage is detected.
🔁 What’s its electrical endurance?
It has a robust 10,000-cycle electrical endurance, ensuring long-term performance.
🔧 How many poles and modules?
- 4-pole configuration
- Takes up 8 DIN modular spacings
🌍 Where is it made?
This model is manufactured in Italy by ABB, ensuring high-quality European engineering.
📦 What’s in the box?
- 1x ABB DDA204 AC RCD Block
- Original packaging with part number (2CSB204001R2630)
- Product documentation (when provided)
🛠️ Can it be installed in automation systems?
Yes. It’s commonly used in automation panels, distribution boards, and panel-mounting electrical systems.
❓ Is a datasheet available?
Currently, the datasheet available against request.. For documentation, reach out via WhatsApp and we’ll send it directly.
📲 Where can I get pricing or place an order?
You can request a quick quote via WhatsApp. Shansen Enterprises is an Authorized ABB Channel Partner, ensuring 100% genuine products with professional support.
💬 Still Have Questions?
Feel free to reach out. We’re always here to help you choose the right ABB protection device for your project!
Get Quote: ABB DDA204 AC-63/0.1 RCD Block – Shansen Enterprises
