Description
Technical Specifications
- Product Model: PAPST DPU.1 029.223017
- Brand: ebm-papst
- Warranty: One Year
- Input Voltage: 24 VDC nominal (optional 12 VDC variants)
- Operating Temperature: 0°C to +70°C
- Storage Temperature: -20°C to +85°C
- Response Time: Immediate electronic speed control response via PWM interface
- Protection Class: IP20
- Accuracy Class: High-efficiency EC motor speed regulation
- Output Frequency: PWM-controlled variable speed operation
- Rated Current Range: Approx. 0.1–0.2 A depending on operating speed
- Airflow Capacity: Approx. 40 m³/h at rated speed
- Communication Interface: 4-wire fan interface (Power, Ground, PWM control, Tachometer feedback)
- Supported Protocols: PWM speed control and tachometer monitoring
- Overload Capacity: Integrated locked-rotor and reverse-polarity protection
- Dimensions: 90 mm × 90 mm × 25 mm
- Bearing Type: Dual ball bearing design
- Expected Service Life: ≥50,000 hours continuous operation
Product Overview
The PAPST DPU.1 029.223017 is a high-efficiency DC axial cooling fan designed for thermal management in data processing units, industrial control equipment, and high-density electronic systems. Manufactured by ebm-papst, the fan integrates an electronically commutated (EC) motor with built-in control electronics, providing reliable airflow with low power consumption and reduced acoustic noise.
Modern automation controllers, industrial PCs, and communication equipment generate significant heat during continuous operation. Effective thermal management is essential to maintain system stability and prevent component degradation. This cooling fan delivers consistent airflow to dissipate heat from processors, power modules, and communication boards installed inside control cabinets or server racks.
The compact 90 mm axial design allows easy installation in equipment housings, while the integrated PWM control enables dynamic speed adjustment based on temperature conditions. With durable ball bearings and protective circuitry for reverse polarity and rotor lock detection, ebm-papst fans are widely used in industrial automation systems, telecom equipment, and computing infrastructure where reliable 24/7 cooling performance is required.
Key Functions
Efficient Electronic Cooling
The fan provides consistent airflow for removing heat from electronic components such as processors, power supplies, and communication modules. Stable airflow helps maintain optimal operating temperatures and prolong equipment lifespan.
PWM Speed Control
A 4-wire PWM interface allows the host system to adjust fan speed dynamically based on temperature or system load. This improves energy efficiency and reduces unnecessary noise when full cooling capacity is not required.
Long-Life Ball Bearing Design
The dual ball-bearing structure supports continuous operation exceeding 50,000 hours. This durability is essential for equipment that must operate continuously in industrial automation environments.
Integrated Protection Features
The internal control electronics include reverse-polarity protection and locked-rotor detection. These protections prevent electrical damage and allow safe integration into sensitive electronic systems.
Application Scenarios
Industrial Control Cabinets
PLC racks, DCS controllers, and communication gateways often require active cooling. The fan helps maintain stable temperatures inside automation panels where multiple modules generate heat.
Data Processing and Server Equipment
Industrial servers and embedded computing platforms rely on compact cooling solutions to dissipate processor heat. The fan ensures consistent airflow within confined chassis designs.
Telecommunications Infrastructure
Network switches, routers, and telecom base stations require reliable airflow to prevent overheating during continuous data transmission.
Power Electronics Cooling
In power supply units, inverter drives, and control boards, the fan assists in removing heat generated by switching components and high-power semiconductors.
