Hager FWU31S FWU Distribution Box 36 Module IP30 flush-mounted

The Hager FWU31S is a 36-module, 125 A flush-mount distribution board for hollow wall installation, with niche dimensions of 507 x 315 x 115 mm. Housed in pure white steel (RAL 9010) with IP30 protection, IK09 impact resistance, and Protection Class II, it suits indoor residential and commercial electrical distribution.

Technical specifications:

• Catalog reference: FWU31S
• Manufacturer: Hager
• Product type: Flush-mount field distribution board
• Rated current: 125 A
• Number of modules: 36
• Number of rows: 3
• Number of DIN rails: 3
• Number of fields: 1
• Mounting type: Flush-mount, hollow wall
• Overall dimensions (H × W × D): 553 x 353 x 125 mm
• Niche dimensions: 507 x 315 x 115 mm
• Installation height: 502 mm
• Installation width: 310 mm
• Installation depth: 112 mm
• IP rating: IP30
• Impact resistance: IK09
• Protection class: Class II
• Door type: Single door, folding handle with turn latch
• Transparent door: No
• Number of cable/conduit entries: 2
• With neutral terminal block: Yes
• With earth terminal block: Yes
• Lock: None
• Mounting plate: Not included
• Suitable for outdoor use: No
• Material: Steel
• Color: Pure white (RAL 9010)
• RoHS compliant: Yes

Features and benefits:

• 36-module capacity across 3 rows supports a full circuit layout for residential or small commercial installations.
• Integrated neutral and earth terminal blocks are factory-included, reducing the need for separate accessories.
• IK09 impact resistance means the steel enclosure withstands mechanical knocks during and after installation.
• Single door with folding handle and turn latch gives direct, tool-free access to the distribution board interior.
• Two cable/conduit entries allow flexible incoming cable routing from above or below.

Applications:

• Residential electrical distribution panels in apartments and houses with hollow wall construction.
• Light commercial premises needing a concealed 36-module, 125 A distribution board.
• New-build and renovation projects requiring flush-mount enclosures with Protection Class II compliance.
• Indoor installations where IP30 protection is sufficient and a wall-integrated finish is preferred.

Also known as: Hager FWU31S, flush-mount distribution board, hollow wall consumer unit enclosure.