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SKU: WNMRS7SSLMHI-A
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Wylex NMRS7SSLMHIA 7 Way High Integrity Consumer Unit – 100A Switch, Dual 80A RCDs

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Wylex NMRS7SSLMHIA 7 Way High Integrity Consumer Unit – 100A Switch, Dual 80A RCDs Compact High Integrity Power Control The Wylex NMRS7SSLMHIA 7 Way High Integrity Consumer U... read more
  • 7 Usable Ways – Ideal for small to medium residential installations requiring separate circuit protection
  • High Integrity Configuration – Allows dedicated circuits to bypass RCDs for critical appliances (e.g. alarms, refrigeration)
  • 100A Main Switch & Dual 80A 30mA RCDs Included – Ensures reliable disconnection and dual RCD protection for enhanced safety
  • Amendment 3 Compliant Metal Enclosure – Fire-resistant steel case designed to meet latest IET Wiring Regulations
  • Pre-Assembled Components – Supplied with factory-fitted DIN rail, busbar, neutral bars, and circuit labels for ease of installation
  • Flexible Installation – Multiple knockout entries for adaptable wiring configuration
  • Spacious Design – Simplifies cable management and future circuit additions
  • Suitable for TT and TN Systems – Versatile use across a range of domestic wiring environments
  • Trusted Wylex Brand – Manufactured to high standards of quality, reliability, and safety
  • 10-Year Manufacturer Warranty – Long-term peace of mind with proven durability
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Wylex NMRS7SSLMHIA 7 Way High Integrity Consumer Unit – 100A Switch, Dual 80A RCDs

Compact High Integrity Power Control

The Wylex NMRS7SSLMHIA 7 Way High Integrity Consumer Unit is the ideal solution for modern homes and small commercial spaces requiring a compact yet powerful electrical distribution system. Engineered for safety and versatility, it features a 100A main switch and dual 80A 30mA Type A RCDs, allowing for critical circuit segregation and improved fault isolation. Whether you’re powering kitchen appliances or home offices, this high-integrity unit delivers tailored protection with professional-grade reliability.

Flexible Configuration for Targeted Protection

Designed with high integrity in mind, this 7 way consumer unit allows installers to separate essential and non-essential circuits between the two RCDs or on dedicated RCBOs. This setup is ideal for applications such as lighting, sockets, alarms, and heating systems—ensuring that no single fault disrupts your entire home. It’s the smart, compliant choice for homeowners who want peace of mind without compromising on efficiency.

Safe, Compliant & Built for Fast Installation

The NMRS7SSLMHIA offers full Amendment 3 compliance and is constructed with a robust metal-clad enclosure for enhanced fire resistance. Its streamlined internal layout, backed-out terminal screws, and clear labelling make installation fast, tidy, and regulation-ready. From electrical engineers to informed DIYers, this unit is trusted by professionals for a reason—it’s engineered to last and protect.

Download the Product Data Sheet

Download the INSTALLATION INSTRUCTIONS

Almost all orders placed before 1.00pm (Monday-Friday) will be despatched the same day, (providing we have the items in stock).

We offer the following delivery options:

Orders Over £50 – Free Delivery

  • Standard Delivery – Free.
  • Next Working Day Delivery – £9.95 + VAT (If ordered before 1.00pm and if we have stock - We will try our best to get this delivered on a next day service due to courier services this is NOT guaranteed)
    Please note, orders placed on a Saturday/Sunday will be delivered on a Tuesday
  • Large items that require delivery on a pallet will not qualify for free delivery

Orders Under £50

For orders under £50, please see the following delivery tariffs. Please note that some delivery locations / times (see below) will incur additional charges.

  • Guaranteed Next Working Day Delivery, (If ordered before 2.00pm and if we have stock) – £9.95 + VAT – Please note, orders placed on a Saturday will be delivered on a Tuesday.
  • We also offer a Royal Mail economy service for “small items” and this cost is £3.99 + Vat, this is applicale to items that will fit into Royal mails small parcel sizes (this can take 3-4 working days).

Alternative Delivery Time Charges

We are also able to offer the following timed deliveries.

  • Next Day, Pre 12 Delivery (If ordered before 1pm) – £20 + VAT – Please note, orders placed on a Saturday will be delivered on a Tuesday
  • Next Day, Pre 10 Delivery (If ordered before 1pm) – £25 + VAT – Please note, orders placed on a Saturday will be delivered on a Tuesday
  • Saturday AM Delivery – £45 + VAT

Delivery Locations Incurring Extra Charges for signed for deliveries.

The following locations will incur additional charges if you select a signed for delivery (or for large items which require delivery by courier):

  • Delivery to Ireland – £30.00 + VAT
  • Delivery to Scottish Highlands – £15.50 + VAT
  • Delivery to Northern Ireland – £25.00 + VAT
  • Delivery to Isle of Wight – £41.00 + VAT
  • Delivery to Isle of Man – £28.00
  • Delivery to Europe – £40.00 + VAT

If you have any specific delivery requirements, call our sales team on 01793 863409.

Returns

Our aim is to provide you with the highest levels of service possible and this extends to our flexible and customer-friendly policies.

Please do not return any items to Heathfield LED without first contacting us by phone or email.

phone: 01793 863409 (9am to 5pm Monday to Friday)
email : returns@heathfieldled.co.uk

If you wish to return goods for any reason please supply the following information:-

  • Your full contact details.
  • Details of the product(s) that you wish to return.
  • The reason for return.
  • Date of purchase.
  • Our order number.
  • No returned goods will be accepted unless authorised by us.

We will do everything possible to comply with reasonable requests for returns and will issue any refund due to you as promptly as possible.

  • If you are a domestic consumer and you are unhappy with the goods for any reason, you have the right to return them. You must inform us within 14 days of receipt, and you then have a further 14 days after this to send the item back to us. As long as they are returned suitably packaged in new, unused and in a resalable condition and you pay for the return carriage and insurance, we will replace or refund them as appropriate.
  • If incorrect or faulty goods are supplied, we will of course replace or refund these, as appropriate, as quickly as possible. We must receive notification of any problems within 3 working days of delivery of your order.
  • If goods are damaged in transit, please keep all documentation and packaging and contact us within 3 days of receipt for instructions.
  • If you have ordered goods incorrectly, please contact our sales office to discuss your requirements. Returns of correctly supplied goods must be unused, undamaged, in the original packaging and carriage paid by the customer and may be subject to a re-stocking charge (at our discretion) to cover our expenses. Please note that exchanged items may be subject to re-delivery and administration charges at our discretion: This includes orders which were originally subject to our “free delivery” offer.
  • If you are uncertain as to whether or not you are ordering the correct item, please do not order large quantities. If in doubt, either contact us for advice or order a single item to ensure that it is correct before ordering large quantities. Returns of large quantities may be subject to a re-stocking charge, once again this decision is made at our discretion.
  • The following products are non-returnable: 
  • Crompton LED T5, Crompton LED Compact Florescents, Collingwood products & Eglo products (unless found to be faulty)                                                                                                                                                                       

If you have any concerns or questions please call or e-mail us!

What doesn’t our warranty cover?

In any instance where your bulb has developed a fault, we will do our utmost to replace it or offer a full refund (provided the item is still within its stated warranty period). However, if it becomes apparent that the product has been misused, tampered with or modified in any way, we will view this as having voided its warranty.

‘Misuse” includes, but is not limited to, incorrect operation by the user, use of non-dimmable bulbs on a dimmable circuit or connection to or operation with an unsuitable power supply. ‘Tampering’ or ‘modification’ can be interpreted as any activity designed to alter the product in such a way that it can be used in a manner that wasn’t intended by its original design. This can include rewiring, removing plugs, home repairs or changing components. Unfortunately, we won’t be able to replace any item that has undergone any such process.

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