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EC Centrifugal Fan
R3G355-H120-04B
External rotor motor fan: a high-airflow EC centrifugal fan with a 355 mm aluminum alloy impeller, delivering 5292 m³/h max airflow and 1240 Pa static pressure from a 1.5 kW motor on 380 VAC — with 0-10V/PWM and Modbus speed control, IP54 protection, Class F insulation and NMB ball bearings, engineered for equipment cooling, air conditioning systems and data centers.
Technical Specifications
| Model | R3G355-H120-04B |
| Impeller Diameter | 355 mm |
| Motor Type | EC (electronically commutated) |
| Input Voltage | 380 VAC, 3-phase |
| Rated Current | 3.7 A |
| Max Power | 1.5 kW |
| Rated Speed | 2530 RPM |
| Max Airflow | 5292 m³/h |
| Max Static Pressure | 1240 Pa |
| Speed Control | 0–10 V / PWM, Modbus |
| Insulation Class | Class F |
| Protection Class | IP54 |
| Bearing | NMB ball bearing |
| Impeller Material | Aluminum alloy impeller |
| Operating Temperature | -25 °C ~ +50 °C |
| Net Weight | 11 kgs |
| Certification | CE, RoHS |
| Application | Equipment cooling, air conditioning, data centers |
Custom voltages, terminations and coatings can be specified for OEM builds.
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