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KSEF

Preformed Circular Finstrip® Air Duct Heater

Rust-Resisting Iron or MONEL® Sheath and Fins
1,950 - 5,000 Watts
120 and 240 Volt
Single Phase
Third-party certifications: UL Recognized, CSA

Heat moving Air or Gas in Round Ducts
Booster Heater in Process and Comfort Heating Ducts
Convert existing Forced Air Dryers and Ovens

Selection Guidelines

Maximum Work Temperatures — Finstrip® elements can generally be used in the following applications at maximum temperatures, without exceeding their capability, if properly installed according to instructions packed with heaters.

Air Velocity (ft/sec.)	Max. Outlet Air Temp. (°F)
Air Velocity (ft/sec.)	Iron Sheath	MONEL® Sheath
4	—	250
9	150	370
16	250	450

Note — Maximum temperatures are based on 25 W/In2. If elements have a lower watt density, work temperature may be increased; if watt density is higher, work temperature should be lower.

Note — See Allowable Watt Density & Heater Selection Graphs G-107S and G-108S in the Technical section of this catalog.

Durability is assured by rugged Chromalox strip heater with locked-on fins.

Rapid Heat Transfer to air from large finned area.

Nested Elements — Elements may be nested.

Open Construction — Requires mounting brackets to be fabricated by user.

Refer to Catalog Page (in the Resources Tab) to right for Air Velocity Selection.

Select Parameters

Clear Parameters

Select a Part

Part #	Description
255548	KSEF-24 120V 1950W	Buy Now
255556	KSEF-24 240V 1950W	Buy Now
255564	KSEF-30 120V 2500W	Buy Now
255572	KSEF-30 240V 2500W	Buy Now
255580	KSEF-36 240V 3100W	Buy Now
255599	KSEF-43 240V 3700W	Buy Now
255601	KSEF-240M 120V 1950W	Buy Now
255610	KSEF-240M 240V 1950W	Buy Now
255628	KSEF-300M 120V 2500W	Request a Quote
255636	KSEF-300M 240V 2500W	Buy Now
255644	KSEF-360M 240V 3100W	Buy Now
255652	KSEF-430M 240V 3700W	Buy Now
255660	KSEF-480M 240V 4000W	Buy Now
255679	KSEF-540M 240V 4500W MKL	Buy Now
256911		Request a Quote

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