Fusebox 31 Way RCBO Consumer Unit SPD Main Switch SPD F3011MZ

Name: Fusebox 31 Way RCBO Consumer Unit SPD Main Switch SPD F3011MZ
Brand: Fusebox
SKU: F3031MZ
Price: 167.40 GBP
Availability: InStock

Product Code F3031MZ

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£139.50

exc VAT

£167.40 : inc VAT

£167.40

inc VAT

£139.50 : exc VAT

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FuseBox F3031MZ — 100A Main Switch 29-Way Consumer Unit with Type 2 SPD

The FuseBox F3031MZ is a high-capacity 29-way consumer unit featuring a 100A main switch and factory-fitted Type 2 surge protection device (SPD). Part of the next-generation F3 Series, it delivers enhanced installation flexibility, improved cable management and SPD integration that does not consume a useable way thanks to FuseBox’s single-module direct-to-busbar SPD technology.

Designed for larger domestic installations and small commercial applications, the F3031MZ provides a reliable, regulation-ready platform for multi-circuit distribution with additional mechanical improvements that electricians have come to expect from the F3 range.

High-Capacity Double-Bank Layout

This model offers a 29-way configuration arranged as 15/16 ways across a double-bank chassis, giving contractors generous space for larger distribution designs without increasing the footprint unnecessarily.

The pre-installed Type 2 SPD ensures compliance with surge-protection requirements under BS 7671, while retaining a full complement of usable outgoing ways.

The F3031MZ benefits from several installer-focused upgrades introduced in the FuseBox F3 Series:

Direct-to-busbar single-module SPD — no MCB required, freeing an additional usable way

Upgraded reinforced grommet strip for improved cable protection and feed-through durability

Improved internal layout for cleaner wiring and better cable management

These enhancements streamline installation while maintaining all the trusted FuseBox build quality that installers rely on.

The included Type 2 SPD provides:

40kA maximum discharge current (Imax)

20kA nominal discharge current (In)

≤1.5kV protection level

≤25ns response time

Built on MOV/GDT hybrid technology, it protects sensitive equipment from transient overvoltage events such as grid switching and indirect lightning strikes.

Key Features of the FuseBox F3031MZ Include:

Factory-Fitted Type 2 SPD – Direct-to-Busbar Single Module
100A Main Switch for Total Circuit Isolation
29 Usable Ways (15/16 Double Bank Layout)
Part of the New F3 Series with Enhanced Cable Protection
No MCB Required for SPD – Retains a Full Usable Way
Upgraded Reinforced Grommet Strip for Safe Cable Entry
Compliant with BS 7671 Surge Protection Requirements
Ideal for Large Domestic & Light Commercial Installations
All Trusted FuseBox Build Quality and Installer-Friendly Design

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Do you need some help, would like to take advantage of our Price Promise or perhaps have a large order to place? If you can't find what you need, we can source it for you by giving our team of professionals a call on 0203 994 5470, drop us an email at sales@electricpoint.com or use our Contact Form.

Model Number:	F3031MZ
Series:	FuseBox F3 Series
Configuration:	Double Bank (15/16)
Usable Ways:	29
Incomer:	100A Main Switch
SPD Included:	Type 2 SPD (Direct-to-Busbar)
SPD Max Discharge (Imax):	40kA
SPD Nominal Discharge (In):	20kA
SPD Technology:	MOV/GDT Hybrid
SPD Response Time:	≤25ns
Voltage Protection Level:	L–PE ≤1.5kV, N–PE ≤1.3kV
SPD Back-Up Fuse:	100A gG
Mounting:	35mm DIN Rail
Cable Protection:	Upgraded Reinforced Grommet Strip
Compliance:	EN 61439-3, EN 61643-11, BS 7671