Chromalox Big Red Book

Components

ATS & ATU 3/8 & 7/16" Dia. Flat Cross-Section

TUBULAR

• INCOLOY ® Sheath • 575 - 1,350 Watts • 120 and 240 Volt • 26 - 38 W/In 2

Dimensions

A ± 1/2%

• 1600°F Max. Sheath Temp. • Straight Elements (type ATS) • U-Shape Elements (type ATU) Applications • Clamp-ons • Immersion (Corrosive Liquids, Fry Kettles, etc.) • Low Temperature Air Heating

B

INCOLOY ® Sheath

H

F

R

W

Nom.Dia.

Flat Pressed Length

All Dimensions in Inches

Dimensions - Inches

line voltages up to 480 volts. For application details see Tubular Heater Overview section. Type 3 and 4 Terminals — Type 3 (3/8" dia.) are Heliarc-welded to cold pin. Type 4 (7/16" dia.) are threaded end of cold pin. See terminal detail drawings in the Tubular Heater Overview section. Bending — Generally not recommended for flat-pressed, triangulated elements.

Nom. Dia.

W H

R

F

Features Flat-Pressed after triangulation to increase contact surface, improve heat conductivity. Series Wiring — Two or more elements of equal wattage may be connected in series on 3/8 5/16 9/16 1-7/8 7/16 7/16 3/8 21/32 2-3/16 3/8

Specifications and Ordering Information

Dimensions (In.)

INCOLOY ® Sheath

Nom. Dia. (In.) Watts Volts W/In 2

Wt. (Lbs.)

Sheath A Heated B Model

Stock PCN

ATS — Straight 7/16 7/16 7/16 7/16 1,000 900 1,000 1,200

120 240 120 240 120 240 120 240 240 120 240 120 240 120 240 120 240 240

38 35 27 36 35 34 26 29 31 38 35 27 36 35 34 26 29 31

26-1/2 26-1/2 33-1/2 33-1/2 21-1/8 21-1/8 26-1/8 26-1/8 42-7/8 16-1/2 16-1/2 10-1/2 10-1/2 12-7/8 12-7/8 21-1/4 13 13

19-5/8 19-5/8 26-5/8 26-5/8 14-3/8 14-3/8 19-3/8 19-3/8 36-1/8 9-1/2 9-1/2 13-1/16 13-1/16

ATS-2610 ATS-2690 ATS-3310 ATS-3312 ATS-2160 ATS-2157 ATS-2660 ATS-2667 ATS-4313 ATU-1310 ATU-1390 ATU-1610 ATU-1612 ATU-1060 ATU-1057 ATU-1260 ATU-1267 ATU-2113

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

149147 283207 149155 283215 283194 149112 149120 149139 149163 283266 283274 283282 283290 283223 283231 283240 283258 283303

0.8 0.8

1 1

3/8 3/8 3/8 3/8 3/8

600 575 600 675 1,350

0.6 0.6 0.8 0.8 1.2 0.8 0.8 0.6 0.6 0.8 0.8 1.2 1 1

ATU — U-Shape 7/16 7/16 7/16 7/16 1,000 900 1,000 1,200

3/8 3/8 3/8 3/8 3/8

600 575 600 675 1,350

7 7

9-1/2 9-1/2 18

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

A-47