Description
Populated FuseBox 21 Way Consumer Unit Kit for Fast Installation
⚡ FuseBox F3021MZ – with 15 RCBOs
The FuseBox F3021MZ Consumer Unit Kit is a ready-to-assemble solution that includes everything needed for a safe, professional installation. Supplied with a 100A main switch, a Type 2 pink single-module SPD (no MCB required), 15 standard size Type A RCBOs (Curve B), five DIN rail blanks, and a G32T meter tails gland, this 21-way populated FuseBox consumer unit kit is ideal for large-scale rewires or new domestic setups.
Designed as part of the latest FuseBox F3 Series, this enclosure features enhanced internal space, a lift-off DIN rail, and the updated pink SPD module to simplify identification. Every component is chosen for performance, reliability, and ease of installation.
What’s Included
- FuseBox F3021MZ 21 Way Consumer Unit
- 100A Main Switch & Pink Type 2 SPD (single module, no MCB required)
- 15 x Type A Curve B RCBOs (standard size)
- 5 x DIN Rail Solid Blanks
- 1 x G32T Meter Tails Gland
How to Order Your RCBO Ratings
Let us know your preferred RCBO ratings (e.g., 4 x 6A, 5 x 32A, 1 x 40A) in the Order Notes box at checkout. If you forget, you can email or WhatsApp us afterwards with your order reference number.
RCBOs are packed separately in the box. We do not pre-install them, so your electrician can arrange them to suit your installation.
Matching Top Trunking Kit Available
At Electrical4Less, we cut trunking so you don’t have to. This top-entry kit (SKU: MAK50/50/F3021MZ) is approx. 480mm wide and includes 2 end caps—made to fit this board perfectly.
✔️ Clean. Fast. No fuss.View the matching top trunking kit for FuseBox F3021MZ & F3022MM
✅ Why Choose This Kit?
This populated FuseBox 21 way consumer unit kit saves time and ensures you receive a complete, regulation-compliant setup. With FuseBox’s trusted build quality and enhanced layout in the F3 Series, it’s a go-to choice for modern electricians. From rewires to EV-ready homes, this kit delivers.
Not Every Job Needs 21 Ways—Explore Options
Don’t need all 21 ways?
The FuseBox F3015MZ 15 Way SPD Consumer Unit Kit – with 12 RCBOs still gives you plenty of space with less footprint.
Prefer something more compact?
Go for the FuseBox F3011MZ 11 Way SPD Consumer Unit Kit – with 8 RCBOs if your project doesn’t require as many circuits.
