Chromalox Big Red Book

Components

• INCOLOY ® Sheath • 4,520 - 7,830 Watts • 208, 240, 275 and 480 Volt • 40 W/In 2 • 1600°F Max. Sheath Temp. • Component of Radiant Heater (type DU-RAD) UTU 3/8" Dia. Heart Cross-Section (cont’d.) Applications • Radiant Heating in Room Ambient • Heating High Velocity Air • Low Temperature Clamp-ons Advantages Specially constructed to provide excellent service life in radiant heating applications. Features Type 3 Terminals — Heliarc-welded to the cold pin. See terminal detail drawing in the Tubular Heater Overview section. Retaining Rings locate elements in radiant heater assemblies. Bending — Lengthwise only. See bending requirements in the Tubular Heater Overview section.

TUBULAR

Dimensions

1-1/8

2-7/16

3/4

3/8" Dia. INCOLOY ® Sheath

1

1-5/8

G ± 1/4"

All Dimensions in Inches

Specifications and Ordering Information

INCOLOY ® Sheath

G - DIM (In.)

Wt. (Lbs.)

Watts

Volts W/In 2

Model

Stock

PCN

4,520 4,520 4,520 4,520 4,990 4,990 4,990 4,990 5,560 5,560 5,560 5,560 6,130 6,130 6,130 6,130 6,700 6,700 6,700 6,700 7,100 7,100 7,100 7,100 7,450 7,450 7,450 7,830 7,830 7,830 7,830

208 240 275 480 208 240 275 480 208 240 275 480 208 240 275 480 208 240 275 480 208 240 275 480 240 275 480 208 240 275 480

40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40

49-7/8 49-7/8 49-7/8 49-7/8 54-7/8 54-7/8 54-7/8 54-7/8

UTU-102V UTU-102 UTU-102V UTU-102 UTU-112V UTU-112 UTU-112V UTU-112 UTU-124V UTU-124 UTU-124V UTU-124 UTU-136V UTU-136 UTU-136V UTU-136 UTU-148V UTU-148 UTU-148V UTU-148 UTU-156V UTU-156 UTU-156V UTU-156 UTU-164 UTU-164V UTU-164 UTU-172V UTU-172 UTU-172V UTU-172

NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS

147328 147344 147336 147352 147360 147387 147379 147395 147408 147424 147416 147432 147440 147467 147459 147475 147483 147504 147491 147512 147520 147547 147539 147555 147580 147571 147598 147600 147627 147619 147635

2 2 2 2 3 3 3 3 3 3 3 3 3 3 3 3 4 4 4 4 4 4 4 4 4 4 4 5 5 5 5

60-15/16 60-15/16 60-15/16 60-15/16 66-15/16 66-15/16 66-15/16 66-15/16 72-15/16 72-15/16 72-15/16 72-15/16

77 77 77 77 81 81 81

85-1/16 85-1/16 85-1/16 85-1/16

Stock Status: S = stock NS = non-stock To Order— Specify model, PCN, watts, volts and quantity.

A-39