
Lewden PRO-MX21MS White Metal 18 Way Consumer Unit With 100A Main Switch and Type 2 Surge Protection Device SPD
PRO-MX21MS
Lewden PRO-MX21MS White Metal 18 Way Consumer Unit with 100A Main Switch and Type 2 Surge Protection Device (SPD) – Advanced Circuit Protection and Power Distribution
The Lewden PRO-MX21MS White Metal 18 Way Consumer Unit is designed to offer reliable and secure power distribution for larger residential or commercial installations. With a 100A main switch and a Type 2 Surge Protection Device (SPD), this unit ensures safe electrical operation while safeguarding circuits from voltage surges, overloads, and other electrical faults.
- Surge Protection: Includes a Type 2 Surge Protection Device (SPD) that provides protection against power surges, lightning strikes, and transient voltage spikes, ensuring the safety of sensitive electrical equipment.
- 100A Main Switch: The 100A main switch allows for complete isolation of the electrical system for maintenance or emergency shutoff, enhancing safety and control.
- 18-Way Configuration: With 18 ways for circuit protection, this consumer unit is ideal for larger installations that require multiple circuits, offering flexibility and scalability for complex electrical systems.
- Metal Construction: Constructed from durable white metal, this consumer unit provides robust protection and is built for long-lasting performance in various environments.
- Easy Installation: Designed for quick and easy installation, this unit is perfect for both new builds and retrofit projects, with clear labeling and user-friendly setup.
Technical Specification
- Type: 18 Way Consumer Unit
- Main Switch: 100A
- Surge Protection: Type 2 Surge Protection Device (SPD)
- Material: White Metal Construction
- Mounting: Surface mounted
✅ Protect your electrical system with the Lewden PRO-MX21MS Consumer Unit, ensuring safe power distribution and advanced surge protection!

Product | Consumer Unit w/ Main Switch + SPD |
Outgoing Ways | 18 Way |
Incomer Type | RCD |
Delivery Options:
- PRIORITY DELIVERY – Next Working Day (All items in stock and ordered before 3 pm) - £7.08 inc-VAT. (£5.90 ex-VAT)
- Orders Over £100 (before VAT): We offer free standard shipping on all orders shipped to UK mainland addresses
- Orders under £100 (before VAT): Our standard delivery fee to UK mainland addresses is £5.90 ex-VAT (£7.08 inc-VAT)
*Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £12 ex-VAT for all orders (Prices subject to change).
Items requiring specialist shipping:
- Orders containing Solar Panels, Batteries and/or Inverters: Up to 50 qty will be dispatched on a pallet and incur a £120 ex-VAT delivery charge**.
**Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £180 ex-VAT (Prices subject to change).
Contact us if you have any further questions.