Catalogue / Roof Ventilators

Flagship Series

JBSF-350F
Solar Roof Ventilation Fan

The 350 mm sibling of the flagship — the same patented platform with a bigger cylinder for larger roof cavities and open-plan spaces. Ultra-low-light activation, built-in MPPT and dual-shielded bearings, whisper-quiet at ≤35 dBA.

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JBSF-350F solar roof ventilation fan — four angles with adjustable panel
3,000m³/h peak extraction
350mmCylinder diameter
42WBrushless DC motor
≤35dBAWhisper-quiet
8.0kgNet weight

Technical Specifications

Every number, on the record.

Performance

ModelJBSF-350F
Cylinder diameter350 mm
Roof opening340 mm
Exhaust air volume2500–3000 m³/h
Noise≤35 dBA
Automatic controlStarts above 26.0 °C (±1.5 °C), stops below
Warranty2 years, whole machine

Motor & Drive

Motor42W rated, 12–16V DC brushless, 1600 RPM
BearingsDual-shielded ball bearings — sealed against dust and moisture
Power trackingBuilt-in MPPT — tracks the solar maximum power point across ultra-wide light changes

Solar Panel

Cell typeMonocrystalline silicon
Frame & glassAluminium alloy reinforced frame, 3.2 mm high-transmittance tempered glass
Output42–50W 15V DC

Structure & Finish

Cover & bodyAluminium alloy
Bracket & ductSteel air duct and bracket
FastenersStainless steel throughout
Fan bladesΦ330 mm aluminium alloy, five dynamically balanced high-efficiency blades
FinishBlack UV-resistant epoxy resin electrostatic powder coating

Dimensions & Weight

Base plate565 × 565 × 1 mm
Product size565 × 565 × 250 mm
Packaging600 × 600 × 280 mm
Net weight8.0 kg
Gross weight10 kg

Applications

Ideal forHomes, attics, villas, warehouses and open-plan spaces with larger roof cavities
OperationRuns purely on solar; optional 24/7 hybrid adapter supplement
InstallationRoof-mount, formable base seals to the roof profile

Spec it into your next build.

Datasheets, installation guides and volume pricing available on request — we ship worldwide.

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