Chromalox Big Red Book

Components

RTU 3/8" Dia. Heart Cross-Section • INCOLOY ® Sheath • 400 - 2,500 Watts • 120, 208, 240, 275 and 480 Volt • 40 W/In 2 • 1-1/2" Cold End (400 - 650 Watts) • 2-1/8" Cold End (800 - 2,500 Watts) • 1600°F Max. Sheath Temp. • Component of Radiant Heater (type RAD and RADD)

TUBULAR

Dimensions

B A ± 1/2%

3/4

3/8" Dia. INCOLOY ® Sheath

All Dimensions in Inches

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 8 Terminals — Standard with threaded clip to facilitate wiring. Retaining Rings locate elements in radiant heater assemblies. Work Temperatures — See Tubular Heater Overview section. Bending — Customer’s minimum inside bend- ing radius is 1-7/8". See bending requirements in the Tubular Heater Overview section.

Specifications and Ordering Information

Dimensions (In.)

INCOLOY ® Sheath

Wt. (Lbs.)

Watts Volts W/In 2

Sheath A Sheath B

Model

Stock PCN

400 650 800 800 800 800

120 120 120 208 240 275 120 208 240 275 208 240 275 480 208 240 275 480 208 240 275 480 208 240 275 480 480

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

10-1/4 16-5/8 21-1/16 21-1/16 21-1/16 21-1/16 27-5/32 27-5/32 27-5/32 27-5/32 32-1/8 32-1/8 32-1/8 32-1/8 42-27/32 42-27/32 42-27/32 42-27/32 50-1/32 50-1/32 50-1/32 50-1/32 57-15/32 57-15/32 57-15/32 57-15/32 57-15/32

7-1/4 13-5/8 16-3/16 16-3/16 16-3/16 16-3/16 22-29/32 22-29/32 22-29/32 22-29/32 38-19/32 38-19/32 38-19/32 38-19/32 45-17/32 45-17/32 45-17/32 45-17/32 53-7/32 53-7/32 53-7/32 53-7/32 53-7/32 27-7/8 27-7/8 27-7/8 27-7/8

RTU-2063AX35 RTU-2063AX29 RTU-2083A RTU-2083AV RTU-2083A RTU-2083AV RTU-3113A RTU-3113AV RTU-3113A RTU-3113AV RTU-3133AV RTU-3133A RTU-3133AV RTU-3133A RTU-4183AV RTU-4183A RTU-4183AV RTU-4183A RTU-5213AV RTU-5213A RTU-5213AV RTU-5213A RTU-5253AV RTU-5253A RTU-5253AV RTU-5253A RTU-5253M

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

147766 147774 106112 106120 106139 106147 106155 106163 106171 106180 147782 108409 147790 108396 106198 106200 106219 106227 147803 147820 147811 147838 106235 106243 106251 106260 147846

0.8 0.8 0.8 0.8 0.8 0.8

1,100 1,100 1,100 1,100 1,300 1,300 1,300 1,300 1,800 1,800 1,800 1,800 2,150 2,150 2,150 2,150 2,500 2,500 2,500 2,500 2,500

1 1 1 1 1 1 1 1

1.3 1.3 1.3 1.3 1.4 1.4 1.4 1.4 1.5 1.5 1.5 1.5 1.5

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

A-35