K1G220-AB73-11 ebmpapst 48V EC Centrifugal Fan

Description

The ebmpapst K1G220-AB73-11 is a high-reliability 48 VDC EC Centrifugal Fan with dimensions corresponding to a 220 mm motor size, engineered for industrial and drive cooling applications. It features an M1G074-BF motor, operates across a voltage range of 36 VDC to 57 VDC, with a nominal power input of 110 W and a current draw of 2.7 A. The fan delivers air at a speed of 2880 RPM in S1 mode. Its robust construction includes an impeller made of PA plastic and a support plate of galvanized sheet steel. It features comprehensive motor protection including soft start and reverse polarity protection, and has an ingress protection rating of IP20 and an ambient temperature range of -25 °C to +60 °C. This model is ideally suited for cooling power electronics, converters, and specialized industrial control systems, such as Siemens drive units.

K1G220-AB73-11 Fan Parameters
Manufacturer: ebmpapst
Model: K1G220-AB73-11
Type: EC Centrifugal Fan
Dimensions: 220 mm
Motor: M1G074-BF
Motor Size: 74
Nominal Voltage: 48 VDC
Nominal Voltage Range: 36 VDC to 57 VDC
Current Draw: 2.7 A
Power Input: 110 W
Speed: 2880 RPM
Ambient Temperature: -25 °C to +60 °C
Mass: 3.1 kg
Impeller Material: PA plastic
Housing Material: PA plastic
Rotor Surface: Painted black
Support Plate Material: Sheet steel, galvanized
Guard Grille Material: Steel, coated with white-aluminum plastic (RAL 9006)
Number of Blades: 11
Direction of Rotation: Clockwise, viewed toward rotor
Degree of Protection: IP20
Insulation Class: “B”
Moisture/Environmental Protection Class: H1+
Installation Position: Any
Condensation Drainage Holes: None
Mode: S1
Motor Bearing: Ball bearing
Technical Features: Motor current limitation, Soft start, Reverse polarity protection
Electrical Hookup: Connector with cable
Protection Class Assignment: III; Requires supply with safety extra-low voltage SELV.
Conformity with Standards: EN 60335-1
Approval: CSA C22.2 No. 77, UL 1004-1

Application:
The K1G220-AB73-11 is a powerful and reliable fan commonly used in applications demanding high reliability and precise thermal control. Key uses include the internal cooling of high-power variable frequency drives (VFDs), rail technology equipment, inverter cabinets, and other industrial control systems.