Description
The ebmpapst K3G310-BB49-02 is a high-performance 400 VAC 3-phase EC Centrifugal Fan module with an impeller size of 310 mm, featuring backward-curved blades and an integrated support bracket designed for advanced HVAC and industrial ventilation systems. Driven by an integrated M3G112-GA EC motor operating across a voltage range of 380 – 480 VAC at 50/60 Hz, it delivers a rated current of 2.5 A with a power consumption of 1650 W. Built with a die-cast aluminium electronics housing, an aluminium sheet impeller with 7 blades, a galvanised sheet steel mounting plate and inlet nozzle, a black-coated steel support bracket, and ball bearings, it has a net weight of 22.1 kg. Operating at a nominal speed of 3140 RPM, it generates a Max. Air Flow of 1786.33 CFM (3035 m³/h / 50.58 m³/min) and a Max. Static Pressure of 114.62 mmH₂O (1124 Pa / 4.51 inH₂O) with an overall static efficiency of 61.1% (ErP 2015 N69.3). It incorporates comprehensive control and protective features, including 0-10 VDC / PWM speed control, RS485 MODBUS RTU, integrated PID controller, line undervoltage/phase failure detection, internal thermal overload protection, IP54 degree of protection, Class B insulation, and complies with CE, UL 1004-7 + 60730, and EAC approvals.
K3G310-BB49-02 Fan Parameters
Manufacturer: ebmpapst
Model Number: K3G310-BB49-02
Motor Model: M3G112-GA
Type: EC Centrifugal Fan (Backward Curved, Single Inlet, with Support Bracket)
Country of Origin: Germany
Phase: 3~
Nominal Voltage: 400 VAC
Operating Voltage Range: 380 – 480 VAC
Frequency: 50/60 Hz
Rated Current: 2.5 A
Power Consumption: 1650 W (ErP Input Power: 1.66 kW)
Motor Type: EC Motor
Electrical Connection: Terminal Box
Control Interface & Features: 0-10 VDC / PWM Speed Control, RS485 MODBUS RTU, Integrated PID Controller, Output 10 VDC (max. 10 mA), Output 20 VDC (max. 50 mA), Output for Slave 0-10 V, Sensor Input (0-10 V / 4-20 mA), External 24 V Input, External Release Input, Alarm Relay, Motor Current Limit, Passive PFC, Soft Start, Line Undervoltage / Phase Failure Detection
Nominal Speed: 3140 RPM (ErP Test Speed: 3160 RPM)
Max. Air Flow: 1786.33 CFM (3035 m³/h / 50.58 m³/min)
Max. Static Pressure: 114.62 mmH₂O (1124 Pa / 4.51 inH₂O)
Overall Efficiency: 61.1% (ErP 2015 Request: 53.8%)
Measurement / Efficiency Category: Category A / Static
Efficiency Grade: N 69.3 (ErP 2015 Request: 62)
Variable Speed Drive: Integrated
Specific Ratio: 1.01
Operation Mode: S1 (Continuous Duty)
Impeller Size: 310 mm
Number of Blades: 7
Direction of Rotation: Clockwise (Seen on Rotor)
Weight: 22.1 kg
Electronics Housing Material: Die-Cast Aluminium
Impeller Material: Aluminium Sheet
Mounting Plate Material: Galvanised Sheet Steel
Support Bracket Material: Black Coated Steel
Inlet Nozzle Material: Galvanised Sheet Steel
Rotor Surface: Coated in Black
Bearing Type: Ball Bearing
Condensate Discharge Holes: Rotor-Side
Degree of Protection: IP54
Insulation Class: Class B
Protection Class: Class I (with Protective Earth Connection)
Environmental Protection Class: F4-1
Motor Protection: Thermal Overload Protector (TOP) Wired Internally / Over-Temperature Protected Electronics & Motor
Touch Current: <= 3.5 mA (acc. IEC 60990)
Operating Temperature: -25 to +60 °C
Storage / Transport Temperature: -40 to +80 °C
EMC Standards: EN 61000-6-2 (Immunity), EN 61000-6-3 (Emission)
Product Conforming Standard: EN 61800-5-1, CE
Agency Approvals: UL 1004-7 + 60730, EAC
Application
The ebmpapst K3G310-BB49-02 is deployed in air handling units (AHU), precision air conditioning systems, cleanroom ventilation, IT server rack cooling, commercial HVAC systems, heat pumps, and industrial refrigeration units requiring high-efficiency active thermal management.
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