Rotron MAXIAX Large Vaneaxial Fans

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1 Rotron MAXIAX Large Vaneaxial Fans General Large Vaneaxial Information MAXIAX fans provide relatively high flows against high impedance in a compact axial flow package. They operate at high rotational speeds, typically with Hz motors or internal ECDC brushless motors. MAXIAX fans are extremely efficient and highly customizable, allowing for precise airflow design. MAXIAX fans are typically utilized to cool airborne radar and other devices with high power transmitters. They are also employed as evaporator/condenser fans in environmental controls systems and to duct air to various aircraft avionics bays, cockpit displays and cabin compartments. MAXIAX fans are also used extensively in general aviation aircraft, military vehicles and shelters and shipboard applications. They come in a variety of voltages and frequencies and are available with lead wires, terminal blocks and MS connectors. Most units are available with an optional internal Fan Performance Sensor (FPS) or an internal or external Low Speed Warning Device (LSWD). Rotron MAXIAX 3. to 3.75 Maxiax 3.75 Series: Maximum Performance Curve* 5 Static Pressure (inches water gauge) RPM Airflow (cfm) *Individual Performance Curve Characteristics Available Upon Request General Materials and Finishes Physical envelope: 3. to 3.75 diameters,.5 to All aluminum components finished with a chemical. lengths 1. conversion coating per MIL-C-551, top coat of Weight:.75 to 3. lbs. lusterless black enamel, color #373, per Federal Specially designed for avionics/equipment cooling and Standard 595 conforming to TT-E-9 Type B. environmental control systems. Corrosion-resistant stainless steel shaft and hardware. Speeds as high as 3, RPM. Impeller runs on two high-precision, double-shielded, Airflow as high as 75 CFM. stainless steel ball bearings (ABEC Class 5) for a Functional Static Pressures: as high as 19 IWG. long, maintenance-free life. Motors have stator winding insulation which is rated for continuous duty for either Class F or Class H. 1 Note: See specific part-number drawing for complete product dimensions Options/Accessories Flanges Beads Check Valves Custom Designs Available - T: T: + () T: T: +5 3 F: F: + () F: F: Integral EMI filter LSWD (Low Speed Warning Device) FPS (Fan Performance Sensor)

2 AC Line Powered Units 1 3-phase and 1-phase permanent-split capacitor motor designs. Fixed speeds (performance) based on input frequency. Meets or exceeds the requirements of MIL-B-371 and other applicable U.S. military and commercial aerospace specifications. Max free delivery airflow of 75 CFM at Hz Ambient temperature range: -5 C to 1 C. DC Powered Units E.C.D.C. 1 Brushless permanent magnet design (Electronically Commutated DC). Speed (performance) fixed by input voltage. Meets or exceeds the requirements of MIL-B-73 and other applicable U.S. military and commercial aerospace specifications. Max free delivery airflow of 19 CFM. Ambient temperature range: - C to 9 C. Acoustic levels as low as 77 dba. Standard and volt designs. Acoustic levels as low as 77 dba. 1 Airflow, maximum ambient and acoustic levels will vary depending on design parameters Please call for further information concerning applicable U.S. military and commercial aerospace specifications R1 Optional DC-AC Inverters and AC-AC Converters for AC Powered Models 1 BATAC Inverter Driven Units AC square wave fans driven from a DC power source through a BATAC Inverter. Low cost alternative when multiple fans are used in a single application or area. Allows for greater than 1 VDC input voltage. 1 See Accessories: Power Conversion T: T: + () T: T: +5 3 F: F: + () F: F: DELTAC Converter Driven Units DELTAC converters allow high frequency (typically Hz) fans to be driven by variable frequency (typically 3- Hz) power or low frequency 5/ Hz power to obtain the higher frequency performance. Unit Description Key The unit description key is for reference only and should not be confused with a part number. While most units are custom configurations, not all variations of the key shown below are possible. Please contact the Application Engineering department for more information regarding possible custom configurations. AC MODELS MAX 75 1 A Q C L N 19 JF MOTOR SERIES FAN PERFORMANCE SENSOR N- WITHOUT, S-WITH CONNECTOR L- LEADWIRES M- MILITARY, MS ATTACHED TO HOUSING N- MILITARY, MS ATTACHED TO LEADS T- TERMINAL BLOCK MOUNTING CONFIGURATION A- FLANGED, INLET ONLY VOLTAGE B- FLANGED, OUTLET ONLY C- FLANGED, BOTH ENDS - D- FLANGED INLET, BEADED OUTLET 3-115/3 E- FLANGED OUTLET, BEADED INLET - 1 F- BEADED, BOTH ENDS G- FLANGED CENTER, PLAIN ENDS NO. NO. APPOX.. SPEED- NO LOAD (REF.) H- FLANGED CENTER, BEADED ENDS POLES PHASES 5 Hz Hz Hz I- PLAIN, BOTH ENDS A J- FLANGED INLET ONLY WITH INLET PERFORMANCE RING ELECTRICAL DATA B K- FLANGED OUTLET ONLY WITH INLET PERFORMANCE RING A- AC LINE OPERATED E 1 OR L- FLANGED, BOTH ENDS WITH INLET PERFORMANCE RING F 1 OR M- FLANGED INLET, BEADED OUTLET WITH INLET PERFORMANCE RING DESIGN SEQUENCE K N- FLANGED OUTLET, BEADED INLET WITH INLET PERFORMANCE RING L O- BEADED, BOTH ENDS WITH INLET PERFORMANCE RING SIZE GROUP M 1 OR P- FLANGED CENTER, PLAIN ENDS WITH INLET PERFORMANCE RING APPROXIMATE HOUSING O.D.; N 1 OR Q- FLANGED CENTER, BEADED ENDS WITH INLET PERFORMANCE RING NUMBER IS DIMENSIONED IN P 1 1 OR R- PLAIN, BOTH ENDS WITH INLET PERFORMANCE RING INCHES TO TWO DECIMAL Q 1 OR S- LEGS, WITH INLET PERFORMANCE RING MAXIAX PLACES. THE PERIOD IS NOT R 1 OR T- SERVO RINGS, BOTH ENDS SHOWN NOTE: DUAL FREQUENCY OR DUAL POLE MOTORS DESIGNATED BY X- SPECIAL USING DIGITS. EX: KM = ( POLE 1Φ 5/ Hz, POLE 1Φ Hz DC MODELS (SAME AS AC EXCEPT WHERE INDICATED) MAX 1 D G N N 19 JF EXAMPLE: MAX751AQCL, N, 19 JF VOLTAGE ELECTRICAL DATA D- DC LINE OPERATED E- ECDC M- MCDC Ordering Information When ordering, please specify the specific Rotron part number listed on the model table below. Further ordering information, based on the configuration and motor series, may be obtained by contacting customer service. Please refer to the Unit Description Key explanation above. -9

3 Standard Product Offering of AC Line Powered Models Part # Prod. Desc. 117 MAX Q MAX W7 355 MAX35 711JF 3555 MAX375 77JF 1 MAX3 7SF MAX351 7JF 355 MAX35 7Q MAX375 31ZF Flow (CFM) Max Pressure (IWG) Nom. RPM Nom. Watts Line Amps (A) Max Amb (C) Weight Volts Phase Hz Capacitor Airflow Source Data N/A A N/A A- Features CONNECTOR, THERMAL PROTECTOR CONNECTOR, THERMAL PROTECTOR N/A A3-7A CONNECTOR N/A A5-3 CONNECTOR N/A A7- CONNECTOR, LSWD N/A A3-13 CONNECTOR N/A A-5 CONNECTOR, NUT PLATES / A7-9 CONNECTOR Standard Product Offering of DC Line Powered Models Part # Prod. Desc. 13 MAX357 37RF Flow (CFM) Max Pressure (IWG) Nom. RPM Nom. Watts Line Amps (A) Max Amb (C) Weight Volts Airflow Source Data A1- CONNECTOR Features -1 T: T: + () T: T: +5 3 F: F: + () F: F:

4 MAXIAX 3 AC MAXIAX 35/1//5 AC T: T: + () T: T: +5 3 F: F: + () F: F:

5 MAXIAX 35/1//5 AC continued MAXIAX 357 DC -1 T: T: + () T: T: +5 3 F: F: + () F: F:

6 MAXIAX 375 AC T: T: + () T: T: +5 3 F: F: + () F: F:

7 P/N 117 MAX Q7 A95- AIR FLOW - liters/second at 1. Kg/m^3 DENSITY P/N 3593 MAX W7 A- AIR FLOW - liters/second at 1. Kg/m^3 DENSITY AIR FLOW - CFM at.75 lbs/ft³ DENSITY 7 5 AIR FLOW - CFM at.75 lbs/ft³ DENSITY P/N 355 MAX35 711JF A3-7A AIR FLOW - liters/second at 1. Kg/m^3 DENSITY P/N 3555 MAX375 77JF A5-3 AIR FLOW - liters/second at 1. Kg/m^3 DENSITY AIR FLOW - CFM at.75 lbs/ft³ DENSITY 3 1 AIR FLOW - CFM at.75 lbs/ft³ DENSITY P/N 1 MAX3 7SF A7- AIR FLOW - liters/second at 1. Kg/m^3 DENSITY P/N MAX351 7JF A3-13 AIR FLOW - liters/second at 1. Kg/m^3 DENSITY AIR FLOW - CFM at.75 lbs/ft³ DENSITY AIR FLOW - CFM at.75 lbs/ft³ DENSITY -1 T: T: + () T: T: +5 3 F: F: + () F: F:

8 P/N 355 MAX35 7Q7 A-5 AIR FLOW - liters/second at 1. Kg/m^3 DENSITY P/N 3517 MAX375 31ZF A7-9 AIR FLOW - liters/second at 1. Kg/m^3 DENSITY AIR FLOW - CFM at.75 lbs/ft³ DENSITY 35 3 AIR FLOW - CFM at.75 lbs/ft³ DENSITY P/N 13 MAX357 37RF A1- AIR FLOW - liters/second at 1. Kg/m^3 DENSITY CURRENT INPUT AMPS AIR FLOW - CFM at.75 lbs/ft³ DENSITY T: T: + () T: T: +5 3 F: F: + () F: F: