FuseBox FB3RSLB49Z 3-Row Consumer Unit with SPD

The FuseBox FB3RSLB49Z is a high-capacity 3-row consumer unit designed to provide reliable circuit protection for residential and commercial electrical installations. Equipped with a 100A main switch and integrated Type 2 Surge Protection Device (SPD), this unit protects electrical circuits from overloads, faults, and transient voltage surges, helping safeguard connected appliances and equipment.

With three rows and up to 54 modules (49 usable ways), the unit offers generous capacity for larger installations or future circuit expansion. The internal layout includes a full-length 100A rated busbar, removable linked DIN rails, and clearly positioned terminal bars to simplify installation, wiring, and testing for electricians.

The enclosure is designed for practical installation with removable gland plates, multiple cable entry knockouts, and a reversible door that can be mounted on either side. Its robust steel construction ensures durability while meeting modern electrical safety standards and installation requirements.

Key Features

• 3-row consumer unit with 49 usable ways

• 100A main switch included

• Integrated Type 2 Surge Protection Device (SPD)

• 18 modules per row for flexible circuit configuration

• Full-length 100A rated busbar

• Bidirectional RCBO compatibility

• Removable linked DIN rails for easier installation

• Terminal bars above each DIN rail for simplified wiring and testing

• Reversible door that can be fitted left or right

• Removable gland plates and multiple knockouts for cable entry

• Strong internal support structure for improved rigidity

Specifications

• Product Code: FB3RSLB49Z

• Type: 3-Row Consumer Unit

• Main Switch Rating: 100A

• Surge Protection: Type 2 SPD

• Usable Ways: 49

• Modules per Row: 18

• Construction: Metal enclosure

• Compliance: Designed to meet current wiring regulations and safety standards