Fusebox 47 Way RCBO Consumer Unit SPD Main Switch SPD F3047MZ

Name: Fusebox 47 Way RCBO Consumer Unit SPD Main Switch SPD F3047MZ
Brand: Fusebox
SKU: F3047MZ
Price: 234.75 GBP
Availability: InStock

Product Code F3047MZ

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£195.63

exc VAT

£234.75 : inc VAT

£234.75

inc VAT

£195.63 : exc VAT

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QTY Unit Price
1-2 £195.63 £234.75
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FuseBox F3047MZ — 100A Main Switch 47-Way Consumer Unit with Type 2 SPD

The FuseBox F3047MZ is a high-capacity 47-way main switch consumer unit featuring a 100A main switch and a compact Type 2 SPD integrated via FuseBox’s next-generation single-module direct-to-busbar design. Part of the F3 Series, it delivers enhanced internal space, reinforced cable protection, and installer-focused refinements ideal for large domestic properties, HMOs, and light-commercial installations requiring extensive circuit distribution.

The F3047MZ provides:

47 usable outgoing ways arranged across dual busbars

100A main switch incomer for reliable supply isolation

A fully integrated Type 2 SPD without consuming a usable way

This makes it suitable for large homes with multiple sub-circuits, EV chargers, heat pumps, electric heating, smart home systems and commercial distribution boards.

F3 Series Improvements for Faster, Cleaner Installations:

Single-module direct-to-busbar SPD (SP1MT2) — avoids the need for a dedicated protective MCB

Improved reinforced grommet strip — provides better cable protection at all entry points

Cleaner internal layout — optimised cable routing and better separation between banks

These enhancements keep the board compact while significantly improving the installer experience.

The F3047MZ includes FuseBox’s hybrid MOV/GDT Type 2 SPD with:

40kA Imax

20kA In

≤25ns response time

≤1.5kV protection level (L–PE)

This provides whole-home protection against transient overvoltages caused by grid switching or indirect lightning activity—mandatory under BS 7671 for most installations.

Key Features of the FuseBox F3047MZ Include:

47 Usable Ways for Large Domestic & Light Commercial Circuits
100A Main Switch Incomer for Full Supply Isolation
Factory-Fitted Type 2 SPD – Direct-to-Busbar, Saves a Usable Way
Double-Bank Configuration (23/24 Layout)
Part of the New F3 Series with Enhanced Internal Space & Cable Management
Reinforced Grommet Strip for Improved Cable Protection
Hybrid MOV/GDT SPD Technology with ≤25ns Response Time
Installer-Friendly Layout for Clean, Professional Wiring
Fully Compliant with BS 7671 & EN 61439-3 Requirements

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Model Number:	F3047MZ
Series:	FuseBox F3 Series
Configuration:	Double Bank (23/24)
Usable Ways:	47
Incomer:	100A Main Switch
SPD Included:	Type 2 SPD, Direct-to-Busbar (SP1MT2)
SPD Max Discharge (Imax):	40kA
SPD Nominal Discharge (In):	20kA
SPD Protection Level:	L–PE ≤1.5kV; N–PE ≤1.3kV
SPD Response Time:	≤25ns
SPD Technology:	MOV/GDT Hybrid
Busbar Type:	Twin Bank
Cable Protection:	Reinforced Grommet Strip
Construction Standard:	EN 61439-3
Surge Protection Standard:	EN 61643-11
Regulatory Compliance:	BS 7671