MARLEY IUH548 5KW AT 480V 1-3PH INDUSTRIAL HORIZONTAL/DOWNFLOW UNIT HEATER

MARLEY IUH548 5KW Industrial Unit Heater The MARLEY IUH548 is a 5 kW industrial horizontal/downflow unit heater designed for efficient heating in various commercial and industrial environments. It operates at 480V and is suitable for single or three-phase electrical systems. This unit heater is ideal for factories, garages, warehouses, workshops, and other large spaces requiring reliable and uniform heat distribution. As a product from Marley Engineered Products, it integrates well within electrical distributor and lighting solutions supply chains, including wire and cable and switchgear suppliers. Specifications Manufacturer: Marley Engineered Products Model Number: IUH548 Power Capacity: 5 kW Voltage: 480V Phase: 1-3 phase convertible BTU/hr: 17,000 (approximate) Air Volume: 270 CFM Temperature Rise: 60°F Maximum Air Throw: 16 feet Mounting Height: 8 feet Heater Weight: 31 lbs Fan Motor Voltage: 240V Fan Motor RPM: 1400 Threaded Rod Size for Mounting: 1/2"-13 NC UPC: 685360042022 Features All motors and contactor coils operate at 240V on the secondary of a factory-installed step-down transformer for 480V heaters, eliminating the need for separate fan and motor control power sources. Automatic fan delay prevents cold drafts on start-up and allows residual heat to discharge during shutdown, enhancing comfort and prolonging element life. Steel fins are copper-brazed to low-watt density, steel-sheathed tubular heating elements for durability and efficient heat transfer. Equipped with ceiling mounting bracket for horizontal or vertical flow mounting or any position in between. Uniform discharge of heated air lowers internal operating temperatures and extends heating element lifespan. Cabinet finished with polyester powder coating for excellent corrosion resistance. Heating elements are finished with aluminized paint for corrosion resistance. Fins and elements arranged in a uniform grid pattern to ensure all incoming air passes through the heating element for maximum efficiency. High-limit cut-off automatically shuts off power in case of overheating and resets when temperature returns to normal. UL Listed for safety and reliability. Downloads & Links Spec Sheet Spec Sheet Spec Sheet