Description
The ebmpapst 3412N/39H (VWCDO92YHEJS/9292506354) is a high-performance 12 V DC Axial Fan with dimensions of 92 x 92 x 25 mm, specifically engineered for critical thermal management in Siemens drive systems and compact industrial electronic cabinets. This unit features an integrated Speed Signal (Tachometer) output for real-time monitoring of fan performance. Driven by an electronically commutated external rotor motor with auto-restart locked-rotor and reverse polarity protection, it provides a precise Max. Power Consumption of 2.5 W and a Max. Current Draw of 0.21 A at 12 V DC. Operating at a optimized rated speed for efficient heat extraction, it delivers consistent airflow with high reliability. Constructed with a glass-fiber reinforced PBT plastic housing and a 3-blade impeller featuring precision ball bearings, this 100 g unit ensures maximum cooling density and long-term mechanical stability for integrated industrial switchgear systems at the end.
3412N/39H Fan Parameters
Model Number: 3412N/39H
New Type: VWCDO92YHEJS
Part Number: 9292506354
Manufacturer: ebmpapst
Type: DC Axial Fan (with Speed Signal)
Dimensions: 92.0 x 92.0 x 25.0 mm
Weight: 100 g
Bearing Type: Ball bearing
Nominal Voltage: 12 V DC
Voltage Range: 7.0 – 15.0 V DC
Max. Power Consumption: 2.5 W
Max. Current Draw: 0.21 A (210 mA)
Starting Current: 1.15 A
Rated Speed: 4350 RPM
Max. Air Flow: 62.23 CFM (105.7 m³/h / 1.76 m³/min)
Max. Static Pressure: 9.81 mmH₂O (96.24 Pa / 0.39 inH₂O)
Working Air Flow: 122.0 m³/h (71.8 CFM)
Static Pressure Increase: 90 Pa (0.36 inH₂O)
Speed Signal: Open Collector (Tachometer output)
Motor Protection: Auto-restart locked rotor and reverse polarity protection
Insulation Class: Class E
Electrical Hookup: 3 lead wires (Red: +UB, Blue: GND, White: Speed Signal)
Wire Length: 310 mm (24 AWG)
Number of Blades: 7
Direction of Rotation: Counter-clockwise (viewed toward rotor)
Airflow Direction: Intake over struts
Housing Material: Glass-fiber reinforced PBT plastic
Impeller Material: Glass-fiber reinforced PA plastic
Operation Mode: S1 (Continuous operation)
Sound Power Level: 6.0 bel(A)
Sound Pressure Level: 50.0 dB(A)
Service Life (L10): 70,000 h (at 40 °C) / 35,000 h (at 70 °C)
Operating Temperature: -20 – +70 °C
Storage Temperature: -40 – +85 °C
Standard Compliance: DIN EN 60335-1; CE; EAC
Approval Agency: VDE; CSA; UL
Application
The ebmpapst 3412N/39H DC fan is the primary cooling solution for industrial frequency converters, medical instruments, and high-performance power supply units requiring active speed monitoring.
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