Description
The Wylex NXSB20AFD 20A Arc Fault Detection Device with RCBO protection offers complete electrical safety in a single compact unit. This device combines arc fault detection (AFDD), residual current protection (RCD), and overcurrent protection (MCB) into one space-saving single module, ideal for both domestic and commercial installations.
Wylex 20A B Type AFDD RCBO NXSB20AFD – 1P+N, Single Module
This B curve 20A AFDD RCBO provides enhanced protection by identifying and isolating dangerous arc faults that standard RCDs and MCBs can't detect. It's fully compliant with the 18th Edition Wiring Regulations, making it a top choice for new installations and upgrades focused on fire safety.
Key Features:
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Model: NXSB20AFD
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20A B Curve – Ideal for socket and general power circuits
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Combined Arc Fault Detection, RCBO & MCB in one device
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Single module, 1P+N (1 Pole + Neutral) configuration
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Provides overload, short circuit, earth leakage & arc fault protection
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Complies with BS EN 62606 & BS EN 61009-1
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LED indicators for fault diagnosis
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Saves space in consumer units
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Trusted Wylex brand – manufactured in the UK
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Suitable for residential, commercial & industrial use
A smart, future-proof choice to reduce electrical fire risks and meet the highest safety standards.
Frequently Asked Questions
Find answers to common questions about our products and services
We offer standard delivery (2-5 working days) and express delivery (1-2 working days). Free standard delivery on orders over £85. All orders are tracked, and you'll receive updates via email.
We accept returns within 30 days of delivery. Items must be unused and in original packaging. Simply contact our customer service team to initiate a return. Refunds are processed within 2-5 working days once items are received
Feel free to drop us a message using the chat button in the bottom right, and one of our team members will get back to you as soon as they can. Alternatively, you can give us a call on 01924 4222999 (Ext 2) or send us an email at acaselec@gmail.com
Yes, all our products are fully certified and sourced from trusted UK suppliers.
We only stock genuine items from reputable brands, ensuring every product meets UK safety and quality standards. All products are held in our UK warehouse.
Our customer support team is available Monday-Friday, 9am-5pm. You can reach us via email, phone, or live chat. We aim to respond to all enquiries within 24 hours.
Yes, we offer competitive pricing for trade customers and bulk orders. Contact our sales team for a custom quote on larger quantities or ongoing supply arrangements.