Energy costs typically account for 90-95% of a motor’s total lifetime running costs, far outweighing the purchase price over its working life. This EC motor is designed to reduce energy losses significantly compared to standard AC motors, particularly in continuous or high-hours commercial applications, where the difference typically pays for itself within a few years and continues delivering lower running costs for the rest of the fan’s service life.
Note: actual savings depend on your specific running hours, load, and electricity rate. Get in touch and we can help you work out the numbers for your installation.
Key features:
- Integrated controller with active thermal motor protection
- Backward-curved blades for improved aerodynamics and reduced noise
- ZAbluefin ECblue motor with inclusive Modbus control
- IP54 protection rating, suitable for demanding environments
- Moisture and hot climate protection as standard
- Ball bearing with long-life lubrication, minimising maintenance
- Inlet nozzle fitted with volume flow measuring device
- Compliant with ErP 2015 and ErP 2026 requirements (complete fan)
Technical specification (rated values):
| Spec | Detail |
|---|---|
| Type | GR28I-6ID.BD.CR |
| Article number | 116885/A01 |
| Fan design | Ventilation unit, backward-curved impeller, D flange |
| Design/Fan size | GR-E/D, 280 |
| Motor brand | ZAbluefin ECblue |
| Voltage | 1~200-277V, 50/60Hz |
| Power input (P1) at Eta opt | 780W (789W) |
| Current | 4.00-2.90A |
| Max speed | 3110 min⁻¹ |
| Max operating temp | 50°C |
| Min operating temp | -20°C |
| Airflow (qv) at Eta opt | 2491 m³/h |
| Pressure increase (pfs) at Eta opt | 766 Pa |
| Efficiency grade | N actual = 87.0 / N target = 62* |
| Protection class | IP54 |
| Motor protection | Integrated active temperature management |
| Bearing | Ball bearing, long-life lubrication |
| Impeller material | ZAmid |
| Rotor colour | RAL 5002 (ultramarine blue) |
| Weight | 12.00kg |
*ErP 2015 rating shown; also compliant with ErP 2026.
Duty point performance data:
| Spec | Detail |
|---|---|
| Airflow (duty point) | 2500 m³/h |
| Static pressure (duty point) | 50 Pa |
| Nominal RPM | 2029 (65.24% of max) |
| Absorbed power (duty point) | 176W |
| System efficiency (static/total) | 19.8% / 28.0% |
| Voltage | 230V, 50Hz |
| Current | 0.81A |
| Suction acoustics | 69 dB(A) |
| Pressure acoustics | 74 dB(A) |
| Dimensions (W x H x D) | 410 x 410 x 321mm |
| K-factor | 85 (80 with grille) |
| Mass | 12.0kg |
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