Specification U85MX-024KX-4
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General Information Item Product type Radial blower with integrated electronic motor driver U85MX-024KX-41 with inlet port (option) U85MX-024KX-42 with outlet port (option) U85MX-024KX-43 with inlet and outlet port (option) Customer N/A Modification Standard product Description The versatile, high-power blower can be widely used for industrial or medical applications, where highest vacuum or pressure performance is needed, i.e. for cough therapy, dental suction, vacuum handling and many more. Features • Static pressure: 123 hPa, freeflow: 860 l/min • 21 VDC brushless DC-motor • Analog speed control and tacho frequency signal • Highly efficient, quiet operation • Aluminum heat sink • Mounting flange with holes • 40 % oxygen resistant airway Unless otherwise stated all data are measured at nominal voltage and are valid at 20 °C ambient temperature and 1.2 kg/m3 standard air density. Values listed are nominal and can vary depending on the installation conditions and due to component tolerances. Test setup according to ISO 5801 with standardized inlet and outlet chambers. Tolerances based on specified speed data according to ISO 13348, grade 4: pressure +/-10 %, power +16 %. Tolerances based on constant voltage: speed +/-10 %, pressure +/-21 %, power +33 %. For continuous blower operation please refer to specified maximum ratings. Performance data outside normal operating range plotted for information only.

Performance Pressure vs. Flow Characteristics Flow rate [cfm] 0.0 180 Flow rate [l/min] Speed and Power vs. Flow Characteristics Flow rate [cfm] 0.0 50 Flow rate [l/min] Shut-Off in Pressure Operation (Zero Flow Rate) Static pressure Power consumption Shut-Off in Vacuum Operation (Zero Flow Rate) Static pressure Power consumption Free-Air (Zero Static Pressure) Flow rate Power consumption

micronelTechnical Data Electrical Nominal supply voltage Supply voltage range Minimum power supply current111 Maximum start-up time Maximum ripple voltage Maximum Ratings for Continuous Operation Minimum flow rate [l/min] 80 Maximum acceleration [rpm/ms] N/A Maximum power consumption [W] 160 Maximum housing surface temperature [°C] 65 Environmental Ambient temperature (operating) [°C] -20 to 45 Ambient temperature (storage) [°C] -20 to 65 Relative humidity (non-condensing) [%RH] 10 to 85 Type Brushless direct current motor Winding insulation class F, 155 °C Sound pressure level Leak...

DrawingsDimensions in mm Direction of rotation (j- Counter-clockwise (view on inlet) Mounting position Any direction Materials Components Fan housing Impeller Hub Motor housing Crimp terminal Lead wire Polycarbonate (PC) Flammability: 850 °C / 1 mm (IEC 60695-2-12) Biocompatibility: USP Class VI / ISO 10993 Polyamide (PA6) Stainless steel Zinc die cast Aluminum, anodized, natural color Polyester, Flammability: UL 969 Molex 46015-0603 Flammability: UL 94V-0 N/A N/A

Part number Nominal voltage micronel Micronel AG CH-8317 Tagelswangen SWISS-MFD Identification number: • Year, calendar week (YYWW) • Fabrication number (6 digits) • Serial number (3 digits) Blower Pinout Pin Color Description Tachometer output Electronic Functions Integrated Electronic Motor Driver Type Micronel brushless direct current motor driver Features • Integrated speed control (analog / resistive) • Tachometer frequency signal • Locked rotor protection • No polarity protection Input Voltage Input Resistor Speed Control Input The blower speed can be controlled by either input...

Electronic Functions Set Speed Input Voltage [VDC] Set speed not connected < 0.0 0.0 to 0.2 0.2 to 1.5 2.0 1.5 to 4.0 (after start-up) 4.0 to 5.0 > 5.0 Set Speed Input Resistor [kQ] Operation Mode Blower speed at 100 % Not allowed Stop Not defined, blower might run or stop Minimum start-up voltage Blower speed dependent on external voltage Blower speed at 100 % Not allowed 4.3 to 39 (after start-up) > 39 or open input Blower speed at 100 % Stop Not defined, blower might run or stop Minimum start-up resistance Blower speed dependent on external resistance Blower speed at 100 % Part no. with...