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QMARK Disconnect Switch: Unit-Mounted, For CDF Series Heaters, 30 A, 277V AC - Switches for Electric Wall & Ceiling Heaters
QMARKSwitches for Electric Wall & Ceiling Heaters

QMARK Disconnect Switch: Unit-Mounted, For CDF Series Heaters, 30 A, 277V AC

The QMARK CDFDS is a unit-mounted disconnect switch designed for use with CDF Series electric wall and ceiling heaters. It operates at 277V AC, 1-phase, with a 30 A rating. This switch provides a local means of…

SKU 3G-OTH-65984

Brand
QMARK
Item
Disconnect Switch: Unit-Mounted, For CDF Series Heaters, 30 A, 277V AC
Category
Switches for Electric Wall & Ceiling Heaters
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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
CDFDS
Type
For CDF Series Heaters, 30 A, 1-phase
AC
277V
Voltage
277V AC
For Use With
CDF Series Heaters
Product Type
Disconnect Switch
Mounting Type
Unit-Mounted
Voltage, Phase
277V AC, 1-phase

Technical Documents

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

Product Description

The QMARK CDFDS is a unit-mounted disconnect switch designed for use with CDF Series electric wall and ceiling heaters. It operates at 277V AC, 1-phase, with a 30 A rating. This switch provides a local means of disconnecting power directly at the heater unit.

Frequently Asked Questions

What is the QMARK CDFDS disconnect switch used for?

The QMARK CDFDS is a unit-mounted disconnect switch designed to provide a local means of disconnecting power directly at CDF Series electric wall and ceiling heaters. It is rated for 277V AC, 1-phase, 30 A, allowing safe maintenance or service without accessing the main panel.

What are the specifications of the QMARK CDFDS disconnect switch?

The QMARK CDFDS is a unit-mounted disconnect switch rated for 277V AC, 1-phase, 30 A. It is designed for use with CDF Series heaters. The switch provides local power disconnection at the heater unit. 3G Electric supplies this QMARK part and can source compatible controls from brands like Schneider or ABB.

Where to buy the QMARK CDFDS disconnect switch worldwide?

3G Electric supplies the QMARK CDFDS disconnect switch to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us to order this unit-mounted switch for CDF Series heaters.

How to install the QMARK CDFDS disconnect switch?

Install the QMARK CDFDS disconnect switch by mounting it directly on the CDF Series heater unit per the manufacturer's instructions. Ensure power is off before wiring the 277V AC, 1-phase, 30 A circuit. Use appropriate conduit and fittings. 3G Electric can provide sourcing support for this QMARK switch.

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 switches for electric wall & ceiling heaters. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
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MUH-Pro includes a pre-installed disconnect switch, 24 VAC transformer and single-stage thermostat (MPN MUH0381-PRO)
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MUH-Pro includes a pre-installed disconnect switch, 24 VAC transformer and single-stage thermostat (MPN MUH0381-PRO)
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MUH-Pro includes a pre-installed disconnect switch, 24 VAC transformer and single-stage thermostat (MPN MUH0581-PRO)
MUH-Pro includes a pre-installed disconnect switch, 24 VAC transformer and single-stage thermostat (MPN MUH0321-PRO)
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MUH-Pro includes a pre-installed disconnect switch, 24 VAC transformer and single-stage thermostat (MPN MUH0321-PRO)

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