Description
The ebm-papst D3G146-HQ13-34 (also known as D3G146HQ1334) is an energy-efficient, dual-intake forward-curved centrifugal blower fan driven by an electronically commutated M3G055-DF brushless external rotor motor within an integrated flanged scroll housing measuring 223.2 mm × 218 mm × 199 mm (8.79 in × 8.58 in × 7.83 in). Engineered for single-phase 200–240 VAC operation at 50/60 Hz, this intelligent blower achieves nominal operational speeds of 2400 RPM while delivering 540 CFM (920 m³/h) of airflow against 1.00 in H₂O (250 Pa) of static pressure, reaching up to 635 CFM (1080 m³/h) in free-air conditions. The blower assembly features robust polypropylene plastic scroll housing and impellers, dual-sided vibration-damped motor suspension, and premium ball bearings configured for continuous S1 operation in any orientation. Integrated drive intelligence provides seamless 0–10 VDC or PWM modulating speed control, isolated tachometer feedback, an auxiliary 10 VDC sensor power supply, and comprehensive internal thermal overload protection.
Key Features
- High-Efficiency EC Motor: Brushless M3G055-DF motor delivers 230W output with exceptional EU 327/2011 ErP static efficiency compliance.
- Dual-Intake Aerodynamics: Forward-curved polypropylene centrifugal impeller provides high volume airflow up to 635 CFM at minimal acoustic emissions.
- Flexible Speed Modulation: Electrically isolated SELV control interface accepts 0–10 VDC or high-frequency PWM duty-cycle input signals.
- Integrated Protection Logic: Onboard motor current limitation, soft-start circuitry, and internal thermal overload protector prevent electrical burnout.
- Vibration-Damped Mounts: Dual-sided elastic motor suspension decouples mechanical motor vibrations from the rigid plastic scroll housing.
Technical Specifications
| Manufacturer | ebm-papst |
|---|---|
| Manufacturer Part Number (MPN) | D3G146-HQ13-34 |
| Alternate Part Number | D3G146HQ1334 |
| Integrated Motor Model | M3G055-DF |
| Product Category | EC Blower Fans |
| Fan / Component Type | Dual-Intake Forward-Curved Centrifugal Blower with Scroll Housing |
| Phase & Supply Type | 1~ Single-Phase AC |
| Rated Voltage | 230 VAC |
| Operating Voltage Range | 200 to 240 VAC |
| Frequency | 50 / 60 Hz |
| Nominal Speed (RPM) | 2400 RPM (Max Load) / 2715 RPM (Optimum Efficiency) |
| Rated Power Consumption | 230 W |
| Optimum Efficiency Power Consumption | 150 W (0.15 kW) |
| Rated Current Draw | 1.80 A |
| Maximum Airflow | 635 CFM (1080 m³/h) |
| Nominal Operating Airflow | 540 CFM (920 m³/h) |
| Nominal Static Pressure | 1.004 in H₂O (250 Pa) |
| Maximum Static Pressure | 1.85 in H₂O (460 Pa) |
| Sound Pressure Level (LpAin) | 62 dB(A) at 1 m |
| Sound Power Level (LwAin) | 73 to 74 dB(A) |
| Overall Static Efficiency (ηes) | 47.9% (EU 327/2011 Grade N = 59.4) |
| Impeller Diameter / Size | 146 mm (5.75 in) |
| Motor Size | 55 |
| Dimensions (L × H × D) | 223.2 mm × 218.0 mm × 199.0 mm (8.79 in × 8.58 in × 7.83 in) |
| Housing Material | Polypropylene (PP) Plastic |
| Impeller Material | Polypropylene (PP) Plastic |
| Electronics Housing Material | Polypropylene (PP) Plastic |
| Rotor Surface Finish | Galvanized |
| Bearing Type | Dual Precision Ball Bearings |
| Motor Suspension | Vibration-damped on both sides |
| Direction of Rotation | Counterclockwise (viewed toward rotor) |
| Installation Position | Any |
| Condensation Drainage Holes | None (Open Rotor) |
| Operating Duty / Mode | Continuous operation (S1) |
| Product Weight | 2.36 kg (5.20 lbs) |
| Electrical Hookup / Termination | Plug-in Terminal Headers (Stocko MSLO Series) |
| Mains Power Connector | Stocko MSLO 9404-003-00A-960 (L, N, PE) |
| Control Signal Connector | Stocko MSLO 7708-004-003-960 (10V, Tach, 0-10V/PWM, GND) |
| Mating Mains Connector Model | Stocko MFMP 9761-003-50A-960 |
| Mating Control Connector Model | Stocko EH 705-004-003-960 + RBB 8230.120 Ms |
| Mounting Provision | 4x sheet metal nuts for EN ISO 1478-ST4.8 thread |
| Auxiliary Voltage Output | +10 VDC, max. 1.1 mA (electrically isolated) |
| Speed Control Input | 0-10 VDC / PWM (electrically isolated SELV interface) |
| Tachometer Output | Open collector, 1 pulse per revolution, max. 10 mA sink current |
| Motor Protection | Internal Thermal Overload Protector (TOP), Soft Start, Current Limitation |
| Electrical Protection Class | Class I (with customer protective earth connection) |
| Touch Current (IEC 60990) | <= 3.5 mA (Measuring Circuit Fig. 4, TN System) |
| Insulation Class | Class F |
| Ingress Protection Rating | IP10 |
| Moisture / Environmental Class | H0 (dry environment) |
| Operating Temperature Range | -25 °C to +50 °C (-13 °F to +122 °F) |
| Storage / Transport Temperature | -40 °C to +80 °C (-40 °F to +176 °F) |
| EMC Immunity Standard | EN 61000-6-2 (Industrial Environments) |
| EMC Emission Standard | EN 61000-6-4 (Industrial Environments) |
| Applicable Standards & Certifications | EN 60335-1, EN 60335-2-31, CE, UKCA, VDE, CCC, EAC, RoHS3 |
Applications
The ebm-papst D3G146-HQ13-34 centrifugal blower is engineered for compact air handling systems requiring high static pressure delivery through restricted ductwork and filtration stages. Common OEM applications include residential heat recovery ventilation plenums, commercial kitchen extraction hoods, variable air volume terminal boxes, and cleanroom air recirculators. It also serves as a high-reliability forced-convection blower in industrial drying tunnels, electronics enclosure conditioning modules, and laboratory ventilation benches.
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