Description
The ebmpapst R3G400-FJ75-01 is an EC centrifugal fan from the RadiCal series, designed for high-efficiency air movement in HVAC systems, air handling units, industrial ventilation equipment, and OEM thermal management applications. This model features a 400 mm backward-curved single-intake impeller combined with an integrated M3G112-EA EC external rotor motor, providing variable speed control, high efficiency operation, and reliable performance in demanding ventilation systems. The R3G400-FJ75-01 operates with a 400 VAC three-phase power supply, delivering a rated speed of 2190 RPM, power consumption of 1500 W, airflow of 5440 m³/h, and maximum static pressure performance suitable for industrial air handling applications. With integrated electronics, IP55 protection, and ball bearing construction, this RadiCal EC centrifugal fan provides a compact and energy-efficient solution for modern ventilation and cooling systems.
Key Features
- Original ebmpapst RadiCal EC centrifugal fan
- 400 mm backward-curved centrifugal impeller design
- M3G112 size EC external rotor motor
- 6-blade PP plastic impeller
- Black painted rotor surface
- Die-cast aluminum electronics housing
- Three-phase EC motor with integrated electronics
- IP55 protection rating
- Class F insulation system
- Ball bearing motor design
- Integrated PID controller for pressure and airflow control
- 0-10 VDC and PWM speed control input
- RS-485 MODBUS-RTU communication interface
- Alarm relay and operation status display
- Soft start and motor current limitation
- Thermal overload protection for motor and electronics
- Phase failure and undervoltage detection
Technical Specifications
| Manufacturer | ebmpapst |
| Model | R3G400-FJ75-01 |
| Series | RadiCal |
| Product Type | EC Centrifugal Fan |
| Fan Design | Backward-curved, single-intake |
| Impeller Diameter | 400 mm |
| Motor Type | M3G112-EA EC External Rotor Motor |
| Motor Technology | Electronically Commutated (EC) |
| Phase | 3 Phase |
| Rated Voltage | 400 VAC |
| Voltage Range | 380 … 480 VAC |
| Frequency | 50/60 Hz |
| Current Draw | 2.3 A |
| Power Consumption | 1500 W |
| Rated Speed | 2190 RPM |
| Airflow | 5440 m³/h |
| Airflow | 3201 CFM |
| Static Pressure | 650 Pa |
| Bearing Type | Ball Bearing |
| Protection Rating | IP55 |
| Insulation Class | Class F |
| Operating Temperature | -40°C to +50°C |
| Motor Size | 112 |
| Rotor Surface | Painted Black |
| Electronics Housing Material | Die-cast Aluminum |
| Impeller Material | PP Plastic |
| Number of Blades | 6 |
| Rotation Direction | Clockwise viewed toward rotor |
| Installation Position | Shaft horizontal or rotor on bottom; rotor on top available on request |
| Condensation Drainage | Drainage holes on rotor side |
| Operating Mode | S1 Continuous Operation |
| Environmental Protection Class | H1 |
| Control Input | 0-10 VDC / PWM |
| Communication Interface | RS-485 MODBUS-RTU |
| Output Signal | 10 VDC max. 10 mA |
| External Input | 24 V Parameter Setting Input |
| Controller | Integrated PID Controller |
| Protection Features | Thermal overload protection, undervoltage detection, phase failure detection |
| Motor Protection | Internal Thermal Overload Protector (TOP) |
| Touch Current | ≤3.5 mA according to IEC 60990 |
| Standards | EN 61800-5-1, EN 60335-1, CE |
| Approvals | CSA, CAN/CSA, EAC, UL |
| Weight | 8.7 kg |
Applications
- Air Handling Units (AHU)
- HVAC ventilation systems
- Industrial cooling equipment
- Data center cooling systems
- Heat exchanger systems
- Cleanroom ventilation equipment
- OEM replacement applications
Replacement Information
The ebmpapst R3G400-FJ75-01 is suitable as a replacement EC centrifugal fan for systems requiring a 400 mm RadiCal impeller, 400 VAC three-phase power supply, integrated EC motor control, and high-efficiency airflow performance. Before replacement, verify the complete model number, electrical specifications, mounting dimensions, control interface, airflow requirements, and system compatibility.
Specifications
| Manufacturer | ebmpapst |
|---|---|
| Fan Size | Ø 400 mm |
| Voltage Rated | 400 VAC |
| Cooling Type | Centrifugal Fan |
| Air Flow Range | > 1500 CFM ( > 2550 m³/h ) |
| Static Pressure Range | 50 – 120 mmH₂O ( 500 – 1200 Pa ) |
| Fan Speed Range | 2,000 – 4,500 RPM |
| Shipping Weight | 20 kg |
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