Qmark Electric Unit Heater, MUH Series, Wall/Ceiling Mount, 3 Phase, 480VAC, 50kW, 30 in H, 26-5/8 in W MUH504 - main
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Electric Unit Heater, MUH Series, Wall/Ceiling Mount, 3 Phase, 480VAC, 50kW, 30 in H, 26-5/8 in W

  • Mfr # MUH504

  • Zoro # G7912721

product price:  $6,755.00
/ea
Additional $200.00 delivery surcharge applies per item.
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Key Features

Wattage Output
50kW
Heating Capacity
170.5 BtuH
Voltage
480VAC
Air Temp. Rise
61°F
Air Flow
3,000 cfm
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Specifications

Product Information

MFR #
MUH504
Zoro #
G7912721
UPC #
685360047645
Country of Origin
United States

Dimensions

Manufacturers Warranty Length
1 yr Parts, 5 yr Elements
Overall Height
30 in
Overall Width
26-5/8 in
Overall Depth
17-1/4 in

Details

Wattage Output
50kW
Heating Capacity
170.5 BtuH
Voltage
480VAC
Air Temp. Rise
61°F
Air Flow
3,000 cfm
Phase
3
Item
Electric Unit Heater
Amperage
60.2A
Requires
Two-Stage Thermostat
Features
Units Mount Either Horizontal or Vertical. Applications: Factories, Warehouses, Garages, Stores, Shipping Rooms, Power Stations, Aircraft. Can Be Used for Primary, Supplementary, Spot, or Dual-System Heating. Wide Range of Optional Control Kits are Field Installable, Increasing The MUH Adaptability to The Specification Market. 3kW to 50kW Heating Output Made From Heavy Gauge Die Formed Steel Housing. Advanced Pull-Through Air Flow Design Draws Air Across Heating Element for More Even Air Distribution and Cooler Element Operation. Branch Circuit Fusing (When Required). Completely Enclosed Fan Motor. 1 or 3-Phase Wiring On 5 to 10 kW 208/240V And 15 kW 208V Units (Field Interchangeable). Aluminum-Finned, Copper Clad Steel Sheath Heating Element Has Longer Useful Life Because of Cooler Sheath Temperature And Faster Heat Dissipation. 24V Control Transformer Standard On Most Models Which Provides A Safer and More Accurate Means of Temperature Control. 3 kW And 5 kW 208-277V, Have Line Voltage Controls As Standard (24V Control Available On Made-To-Order Basis). Automatic Reset Linear Thermal Cut-Out, Capillary Type Provides Protection Over Entire Length of Element Areas (Manual Reset Protection Available On Made-To-Order Basis). 2-Speed Fan Selector Switch (25 kW to 50 kW Models). Fan Delay Feature Eliminates Cold Drafts. Element Heats Up Before Fan Cuts In, Then Fan Continues To Distribute Heat After Element Shuts Off. Individually Adjustable Discharge Lowers to Control Air Flow. Choice of Optional Diffusers for Variety of Air Patterns, Maximizing Heat Concentration and Coverage In Vertical Position. Meets All UL, NEC, And OSHA Requirements.
Housing Finish
Powder Coated
Housing Material
Steel
Vertical Floor Coverage
63 ft
Horizontal Air Throw
60 ft
Contactor Coil Voltage
24V AC
Vertical Mounting H
25 ft
Switch Type
3 Pole
Mounting Type
Wall & Ceiling
Standards
UL Listed, Meet all NEC and OSHA requirements
Frequency
50/60 Hz

Description

The QMARK MUH504 is an electric unit heater for wall or ceiling mounting, built for fixed-position space heating in commercial and industrial settings. This 50 kW, 480VAC, 3-phase unit moves up to 3,000 cfm and can be mounted horizontally or vertically, allowing it to be used for primary, supplementary, spot, or dual-system heating where electric unit heaters are specified.

Key Features of the QMARK MUH504 Electric Unit Heater:

  • 50 kW wattage output: High-capacity electric heat output for larger heating demands.
  • 480VAC, 3-phase, 50/60 Hz: Designed for use with 480-volt three-phase electrical systems.
  • Airflow of 3,000 cfm: Moves a high volume of air to distribute heat through the space.
  • 61°F air temperature rise: Indicates the increase in discharged air temperature across the unit.
  • Wall or ceiling mounting: Supports installed heating from overhead or wall-mounted positions.
  • Horizontal or vertical mounting: Unit can be oriented to suit layout and airflow requirements.
  • Horizontal air throw of 60 ft and vertical floor coverage of 63 ft: Provides stated coverage distances for directional heating performance.
  • Vertical mounting height of 25 ft: Lists the specified mounting height for vertical installation.
  • Steel housing with powder-coated finish: Heavy-gauge steel construction with a finished exterior.
  • 24V AC contactor coil voltage: Uses a 24-volt AC control circuit for the contactor.
  • Requires two-stage thermostat: Intended to operate with a compatible two-stage thermostat.
  • 3-pole switch type: Built with a 3-pole switching configuration.
  • UL Listed: Certification rating explicitly provided for the unit.
  • Overall dimensions: 30 in H x 26-5/8 in W x 17-1/4 in D.

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