QMark
QMark® MUH Electric Unit Heater - 50 kW - MUH504
MF #MUH504
QC Part #
21431
Usually Ships In 8-10 Weeks
Made of heavy gauge die-formed steel, the forced air QMark MUH Electric Unit Heater - 50 kW 480V, model MUH504, is ideal for garages, workshops, warehouses, factories, stores, shipping rooms, power stations and aircraft hangers. This versatile heater can be used for primary, supplementary, spot or dual-system heating.
Features/Advantages:
- Mount horizontally or vertically
- Completely enclosed fan motor
- Optional control kits are field installable
- Summer fan kits are available to adapt heater into a cooling fan
- Heavy-gauge die-formed steel housing. Front and back is a neutral grey, the wrap-around steel section is a statuary bronze color
- Ruggedly built, yet lighter weight for easier installation. No piping flues, valves or traps
- Advanced pull-through air flow design draws air across the heating element for more even air distribution and cooler element operation
- Specifically designed ventrui outlet to meet that added throw as required in a vertical position
- Individually adjustable discharge louvers to control air flow
- 1- or 3-phase wiring on 5-10 kW 208/240V and 15 kW 208V units (field interchangeable)
- Aluminum-finned, copper clad steel sheath heating element has a longer life because of cooler sheath temperature and faster heat dissipation
- Fan delay feature eliminates cold drafts. Element heats up before fan cuts in, then fan continues to distribute heat after element shuts off
- 24V control transformer standard on most models, providing a safer and more accurate means of temperature control. 3 kW and 5 kW, 208-277V, have line voltage controls as standard
- Automatic reset linear thermal cut-out, capillary type, provides protection over entire length of element areas
- Meets all UL, NEC and OSHA requirements
| Size | Height | Width | Depth |
|---|---|---|---|
| MUH03 & 05 | 16" | 14" | 7 1/2" |
| MUH07 & 10 | 21 3/4" | 19" | 7 1/2" |
| MUH15 & 20 | 21 3/4" | 19" | 12 3/4" |
| MUH25 & 30 | 30" | 26 5/8" | 11 3/4" |
| MUH40 & 50 | 30" | 26 5/8" | 17 1/8" |
| QC Part # | MUH # | Phase | kW | BTU/hr | Volts | Amps | Control Volt | CFM | Temp. Rise | Air Throw | Max. Effect | Weight |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 21408 |
MUH0371 | 1 | 3 | 10,200 | 277 | 11 | 277 |
350 | 27° | 12' | 8' | 27 lbs. |
| 21409 | MUH0571 | 1 | 5 | 17,000 | 277 | 18 |
277 |
350 | 45° | 12' | 8' | 27 lbs. |
| 21410 | MUH077 | 1 | 7.5 | 25,600 | 277 | 27 |
24 | 650 | 37° | 18' | 9' | 38 lbs. |
| 21411 | MUH107 | 1 | 10 | 34,100 | 277 | 36 |
24 | 650 | 49° | 18' | 9' | 38 lbs. |
Optional Accessories: 21023 Universal Wall and Ceiling Bracket. 21025 Unit Mount Thermostat - 2 Stage for 5 kW Unit; 21026 Unit Mount Thermostat - Single Stage for 7.5/10 kW Unit; 10001 Compatible Remote Mount Thermostat for 5 kW Unit
Call for availability (1-800-433-6340) on QMark® CWH Heater Models, QMark® GFR Heater Models, QMark® LFK Heater Models and QMark® CRA Heater Models.
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