Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

QMARK MUH-Pro includes a pre-installed disconnect switch - Standard Suspended Electric Wall & Ceiling Unit Heaters
QMARKStandard Suspended Electric Wall & Ceiling Unit Heaters

QMARK MUH-Pro includes a pre-installed disconnect switch

The QMARK MUH-Pro (SKU 3G-OTH-63603) is a standard suspended electric wall and ceiling unit heater, model MUH078-PRO, operating at 208 V, 1 or 3-Phase. It includes a pre-installed disconnect switch, a 24 VAC…

SKU 3G-OTH-63603

Also listed as: MUH078PRO · MUH078 PRO

Brand
QMARK
Item
MUH-Pro includes a pre-installed disconnect switch
Category
Standard Suspended Electric Wall & Ceiling Unit Heaters
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

QMARK
Manufacturer Part Number
MUH078-PRO
Type
24 VAC transformer and single-stage thermostat
Voltage, Phase
208 V, 1 or 3-Phase
Overall Dimensions - H x W x D
19 in x 21.75 in x 7.5 in

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

QMARK Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The QMARK MUH-Pro (SKU 3G-OTH-63603) is a standard suspended electric wall and ceiling unit heater, model MUH078-PRO, operating at 208 V, 1 or 3-Phase. It includes a pre-installed disconnect switch, a 24 VAC transformer, and a single-stage thermostat. The unit measures 19 in x 21.75 in x 7.5 in (H x W x D).

Frequently Asked Questions

What is the QMARK MUH-Pro unit heater used for?

The QMARK MUH-Pro is a standard suspended electric wall and ceiling unit heater designed for commercial and industrial spaces requiring supplemental or primary heating. It is suitable for warehouses, workshops, and retail areas where overhead mounting is preferred.

What are the specifications of the QMARK MUH078-PRO?

The QMARK MUH078-PRO operates at 208 V, 1 or 3-Phase, and measures 19 in x 21.75 in x 7.5 in (H x W x D). It includes a pre-installed disconnect switch, a 24 VAC transformer, and a single-stage thermostat. The unit is a standard suspended electric wall and ceiling heater.

Where to buy the QMARK MUH-Pro in worldwide?

3G Electric supplies the QMARK MUH-Pro (SKU 3G-OTH-63603) to customers worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to install the QMARK MUH078-PRO unit heater?

Install the QMARK MUH078-PRO by mounting it securely to a wall or ceiling using the provided brackets. Connect the 208 V, 1 or 3-Phase power supply to the pre-installed disconnect switch, and wire the 24 VAC transformer and single-stage thermostat per local codes. Always consult a licensed electrician.

Used in

Common applications for QMARK
Warehouse heating — QMARK MUH-Pro series suspended unit heaters for large open spaces with 208/240 V or 480 V supply.
Commercial building lobbies — QMARK CDF557RE recessed ceiling panel heaters for discreet, fan-forced heating.
Industrial workshops — QMARK MUH154 standard suspended heater for 480 V, 3-phase applications requiring high heat output.
Retail storefronts — QMARK MUH107 wall-mounted heater for 277 V, 1-phase circuits in ceiling or wall installations.
Manufacturing facilities — QMARK MUH102-PRO with integrated controls for simplified installation in multi-zone heating systems.
Office partitions — QMARK QSF2424 mounting frame for surface-mounting 54UD25 heaters in areas with limited ceiling access.

QMARK Products

3G Electric supplies QMARK standard suspended electric wall & ceiling unit heaters. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
SQUARE D Disconnect Switch: Fusible, 100 A, 600V AC (MPN 9422TEF10)
SQUARE D
SQUARE D Disconnect Switch: Fusible, 100 A, 600V AC (MPN 9422TEF10)
SQUARE D Enclosed Disconnect Switch: Non-Fusible, 60 A, Three Phase, 600V AC, Non-Metallic (MPN MD3604X)
SQUARE D
SQUARE D Enclosed Disconnect Switch: Non-Fusible, 60 A, Three Phase, 600V AC, Non-Metallic (MPN MD3604X)
SQUARE D Disconnect Switch: Fusible, 60 A, 600V AC (MPN 9422TDF63)
SQUARE D
SQUARE D Disconnect Switch: Fusible, 60 A, 600V AC (MPN 9422TDF63)
SQUARE D Safety Switch: Non-Fusible, 100 A, Three Phase, 600V AC, Non-Metallic, Indoor/Outdoor (MPN HU363DF)
SQUARE
SQUARE D Safety Switch: Non-Fusible, 100 A, Three Phase, 600V AC, Non-Metallic, Indoor/Outdoor (MPN HU363DF)
SQUARE D Enclosed Disconnect Switch: Non-Fusible, 30 A, Three Phase, 600V AC, Non-Metallic (MPN MD3304X)
SQUARE D
SQUARE D Enclosed Disconnect Switch: Non-Fusible, 30 A, Three Phase, 600V AC, Non-Metallic (MPN MD3304X)
SQUARE D Safety Switch: Non-Fusible, 200 A, Three Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN DTU324NRB)
SQUARE
SQUARE D Safety Switch: Non-Fusible, 200 A, Three Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN DTU324NRB)

More from QMARK

View all QMARK parts
QMARK Electric Wall & Ceiling Unit Heater: 208/240V AC, 1 or 3-phase, 16 in x 14 in x 7-1/2 in (MPN MUH0521)
QMARK
QMARK Electric Wall & Ceiling Unit Heater: 208/240V AC, 1 or 3-phase, 16 in x 14 in x 7-1/2 in (MPN MUH0521)
QMARK Electric Wall & Ceiling Unit Heater: 208/240V AC, 3-phase, 21-3/4 in x 19 in x 12-3/4 in (MPN MUH152)
QMARK
QMARK Electric Wall & Ceiling Unit Heater: 208/240V AC, 3-phase, 21-3/4 in x 19 in x 12-3/4 in (MPN MUH152)
MUH-Pro includes a pre-installed disconnect switch, 24 VAC transformer and single-stage thermostat (MPN MUH0341-PRO)
QMARK
MUH-Pro includes a pre-installed disconnect switch, 24 VAC transformer and single-stage thermostat (MPN MUH0341-PRO)
QMARK Electric Wall & Ceiling Unit Heater: 480V AC, 3-phase, 30 in x 26-5/8 in x 11-3/4 in (MPN MUH304)
QMARK
QMARK Electric Wall & Ceiling Unit Heater: 480V AC, 3-phase, 30 in x 26-5/8 in x 11-3/4 in (MPN MUH304)
QMARK Electric Wall & Ceiling Unit Heater: 208/240V AC, 3-phase, 30 in x 26-5/8 in x 11-3/4 in (MPN MUH252)
QMARK
QMARK Electric Wall & Ceiling Unit Heater: 208/240V AC, 3-phase, 30 in x 26-5/8 in x 11-3/4 in (MPN MUH252)
MUH-Pro includes a pre-installed disconnect switch, 24 VAC transformer and single-stage thermostat (MPN MUH0381-PRO)
QMARK
MUH-Pro includes a pre-installed disconnect switch, 24 VAC transformer and single-stage thermostat (MPN MUH0381-PRO)
QMARK Electric Wall & Ceiling Unit Heater: 208/240V AC, 1 or 3-phase, 21-3/4 in x 19 in x 7-1/2 in (MPN MUH072)
QMARK
QMARK Electric Wall & Ceiling Unit Heater: 208/240V AC, 1 or 3-phase, 21-3/4 in x 19 in x 7-1/2 in (MPN MUH072)
QMARK Electric Wall & Ceiling Unit Heater: 208/240V AC, 3-phase, 21-3/4 in x 19 in x 12-3/4 in (MPN MUH202)
QMARK
QMARK Electric Wall & Ceiling Unit Heater: 208/240V AC, 3-phase, 21-3/4 in x 19 in x 12-3/4 in (MPN MUH202)