Bracket Fan

Bracket Fan B5020

Name: Bracket Fan B5020 Bracket Fan
Brand: Ruifengda

The Bracket Fan B5020 is a 50 × 50 × 20 mm axial fan supplied with its mounting bracket, ready to bolt onto panels and housings. A quick, low-cost cooling upgrade for small enclosures and electronics racks.

Frame Size50 × 50 × 20 mm

Voltage12 V DC

Max Airflow≈ 20 CFM

BearingSleeve / One-ball / Dual-ball

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Product Overview

The Bracket Fan B5020 combines a 50 × 50 × 20 mm impeller with an integrated bracket foot, shortening assembly time for equipment builders who install fans in dozens of units per batch.

Each Bracket Fan B5020 is bench-tested after a complete aging cycle at our Shenzhen facility, and test records are retained by serial batch. Tell us your voltage, duty point and environment and the confirmed curve for your order will match the sample you approved.

Key Features

Mounting bracket included — installs directly on panels and housings
Standard hole pattern for quick OEM integration
5 V / 12 V / 24 V DC versions for electronics racks
Sleeve or ball bearing options
Compact depths from 10 mm for tight enclosures
100 % tested before shipment from our Shenzhen factory

Note: Figures shown are standard-configuration values. Custom speed bins, voltage windows and bearing grades are quoted against your requirement.

Typical Applications

Security & access devices Small control boxes Audio equipment Retail displays & kiosks Set-top boxes & routers Portable instruments

Full Specifications

Frame Size	50 × 50 × 20 mm
Rated Voltage	12 V DC (5 V / 24 V optional)
Rated Current	0.25 A (at rated voltage, max speed)
Speed	4,000 rpm (typical)
Airflow	20 CFM / 34 m³/h (typical, free air)
Static Pressure	48 Pa / 4.9 mmH₂O (typical, max)
Noise	32 dBA at 1 m (max speed)
Bearing Type	Sleeve / One-ball / Dual-ball
Expected Life	40,000 h at 25 °C, 65 % RH (L10)
Operating Temp.	−10 °C to +70 °C (standard); −40 °C to +85 °C optional
Insulation Resistance	≥ 100 MΩ at 500 VDC
Dielectric Strength	500 VAC / 1 min (AC series: 1,500 VAC)
Frame & Impeller	UL94 V-0 PBT + fibreglass
Certification	CE / RoHS (UL on request)

Frequently Asked Questions — Bracket Fan B5020

What mounting options does Bracket Fan B5020 offer?

Bracket Fan B5020 ships with its integrated bracket for panel or wall mounting; bracket angle, hole pitch and rubber isolators can be customized to your chassis drawing.

Is Bracket Fan B5020 suitable for outdoor or humid environments?

Standard versions are IP54-level when paired with a grille. For outdoor or wash-down use, order the conformal-coated or fully potted version of Bracket Fan B5020 — we will advise the right protection level for your environment.

Can Bracket Fan B5020 be supplied with a finger guard and cable?

Yes. Metal or plastic finger guards, lead-wire length, terminal and connector types are all selectable. Tell us the installation space and we will configure the kit.

What is the expected life of Bracket Fan B5020?

With dual-ball bearings, Bracket Fan B5020 reaches an L10 life of about 40,000–50,000 h at 40 °C. Life derates with ambient temperature — send us your thermal profile and we will confirm the estimate.