Model: DV4650-470
Product Overview
Commercial availability is handled through direct RFQ, model verification and export-oriented follow-up rather than public cart checkout.
Datasheet Preview
Use attached product manuals when available. If the manual is not public yet, request the full file directly through RFQ.
Commercial Path
Product pages on DRIVEKNMS are designed to verify model, brand and series first, then move the buyer into one clean quotation path.
Technical Dossier
The ebm-papst DV4650 series represents a family of compact axial AC cooling fans engineered for continuous-duty operation in industrial control cabinets, DCS enclosures, PLC racks, and power electronics assemblies. Manufactured in Germany, these fans are deployed across heavy-industry sectors including petrochemical refineries, nuclear power auxiliary systems, offshore platforms, and steel mill automation panels. Their hallmark characteristics — thermally protected motors, ball-bearing or sleeve-bearing options, and standardized 119 mm frame geometry — have made them a default specification in OEM control system builds from the 1990s through the present decade. Installed base counts in the tens of thousands across active facilities globally, making reliable spare parts sourcing a critical operational requirement for maintenance engineers and procurement teams.
The following SKUs represent confirmed models within the ebm-papst DV4650 series. Each entry includes the primary functional descriptor relevant to industrial spare parts procurement:
DV4650-470: 230 V AC, 50/60 Hz, 119×119×38 mm axial fan, ball bearing, thermal protection class F
DV4650-471: 115 V AC, 50/60 Hz, 119×119×38 mm axial fan, ball bearing, thermally protected
DV4650-472: 230 V AC, 60 Hz, UL/CSA-rated variant for North American panel installations
DV4650-473: 115 V AC, 60 Hz, UL/CSA-rated, sleeve bearing, standard airflow configuration
DV4650-474: 230 V AC, 50 Hz, high-static-pressure variant for restricted-airflow enclosures
DV4650-475: 115/230 V AC dual-voltage, auto-switching, universal input cooling fan
DV4650-476: 230 V AC, reverse airflow (exhaust) configuration, 119 mm frame
DV4650-477: 115 V AC, reverse airflow (exhaust), thermally protected motor
DV4650-478: 230 V AC, IP44-rated, splash-proof housing for wash-down adjacent environments
DV4650-479: 115 V AC, IP44-rated, splash-proof, ball bearing, thermal cutout integrated
DV4650-480: 230 V AC, low-noise variant, reduced RPM, 119×119×38 mm, ball bearing
DV4650-481: 115 V AC, low-noise, reduced RPM, suitable for noise-sensitive control rooms
DV4650-482: 230 V AC, high-airflow variant, increased blade pitch, 119 mm frame
DV4650-483: 115 V AC, high-airflow, increased CFM output, ball bearing construction
DV4650-484: 230 V AC, with tachometer output signal, for fan-failure monitoring integration
DV4650-485: 115 V AC, tachometer output, compatible with PLC digital input monitoring cards
DV4650-486: 230 V AC, with alarm output relay contact, for BMS/DCS fault annunciation
DV4650-487: 115 V AC, alarm relay output, SPDT contact, 250 V AC rated switching
Each DV4650 unit processed by DriveKNMS undergoes a defined incoming and outgoing inspection protocol. Incoming inspection covers visual examination for housing cracks, blade deformation, and label legibility; bearing noise assessment via stethoscope and vibration meter at rated voltage; and insulation resistance testing (IR test) at 500 V DC between winding and frame. Run-in testing is conducted at rated voltage for a minimum of 30 minutes with airflow and current draw logged against OEM datasheet values.
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