Description
The ebmpapst K3G310-PV69-03 is a high-efficiency EC centrifugal fan module designed for professional ventilation, air conditioning, and industrial cooling systems. Featuring a backward-curved single-intake impeller with integrated EC motor technology, this RadiPac fan provides high airflow performance, precise control capability, and reliable operation for demanding applications.
The K3G310-PV69-03 is equipped with an integrated M3G112-GA electronically commutated motor and operates with a rated voltage of 400 VAC within a 380 to 480 VAC voltage range. The fan delivers a rated speed of 4000 RPM and an airflow capacity of approximately 3300 m³/h, making it suitable for high-performance HVAC and industrial air movement applications.
Designed with a 310 mm impeller, aluminum backward-curved blades, galvanized steel support components, and a robust IP55 protected motor system, the ebmpapst K3G310-PV69-03 provides excellent durability and long-term reliability. The integrated electronics support advanced monitoring and control functions including RS-485 MODBUS-RTU communication, configurable inputs and outputs, alarm relay, and soft start functions.
Key Features
- Original ebmpapst K3G310-PV69-03 EC centrifugal fan module
- RadiPac backward-curved centrifugal design
- Single-intake impeller configuration
- Integrated M3G112-GA EC motor
- 310 mm impeller diameter
- 400 VAC three-phase power supply
- Integrated electronic control and monitoring functions
- RS-485 MODBUS-RTU communication
- IP55 protection rating
- Ball bearing motor system
Technical Specifications
| Brand | ebmpapst |
| Model | K3G310-PV69-03 |
| Fan Type | EC Centrifugal Fan Module |
| Series | RadiPac |
| Impeller Type | Backward Curved |
| Air Intake | Single Intake |
| Size | 310 mm |
| Motor Model | M3G112-GA |
| Motor Size | 112 |
| Motor Type | EC Motor |
| Rated Voltage | 400 VAC |
| Voltage Range | 380 – 480 VAC |
| Frequency | 50 / 60 Hz |
| Phase | 3 Phase |
| Rated Speed | 4000 RPM |
| Air Flow | 3300 m³/h |
| Power Consumption | 3050 W |
| Rated Current | 4.70 A |
| Number of Blades | 5 |
| Bearing Type | Ball Bearing |
| Weight | 21.42 kg |
Mechanical Characteristics
| Rotor Surface | Painted Black |
| Electronics Housing Material | Die-cast Aluminum |
| Impeller Material | Sheet Aluminum |
| Support Plate Material | Galvanized Sheet Steel |
| Support Bracket Material | Steel, Painted Black |
| Inlet Nozzle Material | Galvanized Sheet Steel |
| Direction of Rotation | Clockwise viewed toward rotor |
Electrical and Control Features
- Operation and alarm display with LED
- External 15-50 VDC parameterization input
- Alarm relay
- Integrated PI controller
- Configurable inputs and outputs (I/O)
- RS-485 MODBUS-RTU communication
- MODBUS V6.3
- Motor current limitation
- Soft start function
- Voltage output 3.3-24 VDC, maximum 800mW
- Thermal overload protection for electronics and motor
- Line undervoltage and phase failure detection
Protection and Environmental Specifications
| Protection Degree | IP55 |
| Insulation Class | F |
| Environmental Protection Class | H1 |
| Operating Mode | S1 Continuous Operation |
| Motor Protection | Electronic Motor Protection |
| Protection Class | I (with customer protective earth connection) |
| Electrical Connection | Terminal Box |
Applications
- Air handling units (AHU)
- HVAC ventilation systems
- Industrial cooling equipment
- Data center cooling systems
- Precision air conditioning
- OEM ventilation equipment
- Energy-efficient air movement systems
Replacement Information
The ebmpapst K3G310-PV69-03 is an original RadiPac EC centrifugal fan module designed for high-efficiency ventilation and cooling applications. When replacing this model, verify voltage range, motor type, mounting dimensions, airflow requirements, control interface, and electrical connection specifications to ensure system compatibility.
Specifications
| Fan Size | Ø 310 mm |
|---|---|
| Part Number | K3G310-PV69-03 |
| Voltage Rated | 400 VAC |
| Cooling Type | Centrifugal Fan |
| Air Flow Range | > 1500 CFM ( > 2550 m³/h ) |
| Static Pressure Range | > 120 mmH₂O ( > 1200 Pa ) |
| Fan Speed Range | 2,000 – 4,500 RPM |
| Manufacturer | ebmpapst |
| Fan Speed | 4000 RPM |
| Voltage Range | 380~480V |
| Frequency | 50/60 Hz |
| Fan Type | AC |
| Air Flow (m3) | 3300 m3/h |
| Current Rating | 4.70 A |
| Power Rating | 3050 W |
| Voltage Rating | 400 VAC |
| Shipping Weight | 35 kg |
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