Page 1
145
To Order, Call or Shop Online at
omega.com
SM
®
1 cm (0.375") DIAMETER
HEART CROSS-SECTION
⻬ Incoloy Sheath
⻬ 400 to 2500 Watts
⻬ 120, 208, 240, 275
and 480V
⻬ 40 W/in
2
⻬ 11⁄2" Cold End
(400 to 650 Watts)
⻬ 2
1
⁄8" Cold End
(800 to 2500 Watts)
⻬ 871°C (1600°F) Max
Sheath Temperature
⻬ Component of
Radiant Heater
(Type RAD and RADD)
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 on
omega.com/heaters
Bending: Customer’s minimum
inside bending radius is 3.8 cm
(11⁄2"). See bending requirements
in the Tubular Heater Overview
section on omega.com/heaters
1 (0.375) Dia. Incoloy Sheath
1.9
(0.75)
Dimensions: in (cm)
Incoloy Sheath
Sheath Heated Weight
Watts Volts W/In2 A B Model No. Price (lb)
400 120 40 101⁄4 (26) 71⁄4 (18) RTU-2063AX35/120V $70 0.8
650 120 40 165⁄8 (42) 135⁄8 (35) RTU-2063AX29/120V 69 0.8
800 120 40 211⁄16 (53) 163⁄16 (41) RTU-2083A/120V 89 0.8
800 208 40 211⁄16 (53) 163⁄16 (41) RTU-2083AV/208V 89 0.8
800 240 40 211⁄16 (53) 163⁄16 (41) RTU-2083A/240V 89 0.8
800 275 40 211⁄16 (53) 163⁄16 (41) RTU-2083AV/275V 89 0.8
1100 120 40 275⁄32 (69) 2229⁄32 (58) RTU-3113A/120V 96 1
1100 208 40 275⁄32 (69) 2229⁄32 (58) RTU-3113AV/208V 96 1
1100 240 40 275⁄32 (69) 2229⁄32 (58) RTU-3113A/240V 96 1
1100 275 40 275⁄32 (69) 2229⁄32 (58) RTU-3113AV/275V 96 1
1300 208 40 321⁄8 (82) 277⁄8 (71) RTU-3133AV/208V 107 1
1300 240 40 321⁄8 (82) 277⁄8 (71) RTU-3133A/240V 107 1
1300 275 40 321⁄8 (82) 277⁄8 (71) RTU-3133AV/275V 107 1
1300 480 40 321⁄8 (82) 277⁄8 (71) RTU-3133A/480V 107 1
1800 208 40 4227⁄32 (109) 3819⁄32 (98) RTU-4183AV/208V 125 1.3
1800 240 40 4227⁄32 (109) 3819⁄32 (98) RTU-4183A/240V 125 1.3
1800 275 40 4227⁄32 (109) 3819⁄32 (98) RTU-4183AV/275V 125 1.3
1800 480 40 4227⁄32 (109) 3819⁄32 (98) RTU-4183A/480V 125 1.3
2150 208 40 501⁄32 (127) 4517⁄32 (116) RTU-5213AV/208V 153 1.4
2150 240 40 501⁄32 (127) 4517⁄32 (116) RTU-5213A/240V 153 1.4
2150 275 40 501⁄32 (127) 4517⁄32 (116) RTU-5213AV/275V 153 1.4
2150 480 40 501⁄32 (127) 4517⁄32 (116) RTU-5213A/480V 153 1.4
2500 208 40 5715⁄32 (146) 537⁄32 (135) RTU-5253AV/208V 184 1.5
2500 240 40 5715⁄32 (146) 537⁄32 (135) RTU-5253A/240V 184 1.5
2500 275 40 5715⁄32 (146) 537⁄32 (135) RTU-5253AV/275V 184 1.5
2500 480 40 5715⁄32 (146) 537⁄32 (135) RTU-5253A/480V 184 1.5
2500 480 40 57
15
⁄32 (146) 537⁄32 (135) RTU-5253M/480V 184 1.5
Ordering Examples: RTU-4183AV/208V, 1800 W, 208V heater, $125.
RTU-2063AX35/120V, 400 W, 120V heater, $70.
To Order
(Specify Model Number)
RTU Style
Starts at
$
70
MOST POPULAR MODELS HIGHLIGHTED!
Dimensions: cm (in)
RTU-2083A/120V, $89,
shown smaller than actual size.
A ± 1/2%
APPLICATIONS
⻬ Radiant Heating
in
Room Ambient
⻬ Heating High
Velocity Air
⻬ Low Temperature
Clamp-ons
B
Page 2
146
To Order, Call or Shop Online at
omega.com
SM
®
⻬ Incoloy Sheath
⻬ 2700-6500 Watts
⻬ 208, 240, 275
and 480V
⻬ 40 W/In
2
⻬ 21⁄8, 33⁄8 and 4"
Cold Ends
⻬ 871°C (1600°F) Max
Sheath Temperature
⻬ Component of
Radiant Heater
(Type RAD and RADD)
Dimensions: cm (in)
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 on
omega.com.
Bending: Customer’s minimum
inside bending radius is 11⁄2". See
bending requirements in the Tubular
Heater Overview section on
omega.com.
3/8" Dia. Incoloy Sheath
3/4
Dimensions: in (cm) Incoloy Sheath
Weight
Watts Volts W/In2Sheath A Heated B Model No. Price (lb)
2
1
⁄8" Cold End
2700 208 40 6127⁄32 (157) 5711⁄32 (146) RTU-6273AV/208V $199 1.6
2700 240 40 6127⁄32 (157) 5711⁄32 (146) RTU-6273A/240V 199 1.6
2700 275 40 6127⁄32 (157) 5711⁄32 (146) RTU-6273AV/275V 199 1.6
2700 480 40 6127⁄32 (157) 5711⁄32 (146) RTU-6273A/480V 199 1.6
3000 208 40 691⁄4 (176) 65 (165) RTU-6303AV/208V 230 1.8
3000 240 40 691⁄4 (176) 65 (165) RTU-6303A/240V 230 1.8
3000 275 40 691⁄4 (176) 65 (165) RTU-6303AV/275V 230 1.8
3000 480 40 691⁄4 (176) 65 (165) RTU-6303A/480V 230 1.8
3000 480 40 691⁄4 (176) 65 (165) RTU-6303M/480V 230 1.8
3350 208 40 7521⁄32 (192) 715⁄32 (181) RTU-7333AV/208V 260 1.8
3350 240 40 7521⁄32 (192) 715⁄32 (181) RTU-7333A/240V 260 1.8
3350 275 40 7521⁄32 (192) 715⁄32 (181) RTU-7333AV/275V 260 1.8
3350 480 40 7521⁄32 (192) 715⁄32 (181) RTU-7333A/480V 260 1.8
3600 208 40 819⁄32 (206) 771⁄32 (196) RTU-7363AV/208V 280 2
3600 240 40 819⁄32 (206) 771⁄32 (196) RTU-7363A/240V 280 2
3600 275 40 819⁄32 (206) 771⁄32 (196) RTU-7363AV/275V 280 2
3600 480 40 819⁄32 (206) 771⁄32 (196) RTU-7363A/480V 280 2
3600 480 40 819⁄32 (206) 771⁄32 (196) RTU-7363M/480V 280 2
4500 208 40 1001⁄2 (255) 96 (244) RTU-8453AV/208V 325 3.5
4500 240 40 1001⁄2 (255) 96 (244) RTU-8453A/240V 325 3.5
4500 275 40 1001⁄2 (255) 96 (244) RTU-8453AV/275V 325 3.5
4500 480 40 1001⁄2 (255) 96 (244) RTU-8453A/480V 325 3.5
4000 240 40 1091⁄4 (277) 105 (267) RTU-7303AX10/240V 350 4
33⁄8" Cold End
5000 240 40 1341⁄2 (342) 1273⁄4 (324) RTU-7303AX13/240V $475 5
4" Cold End
5500 240 40 153
7
⁄8 (390) 1457⁄8 (371) RTU-7303AX9A/240V $575 6
6500 240 40 1791⁄4 (455) 1711⁄4 (435) RTU-7363AX38/240V 700 8
Ordering Examples: RTU-7333AV/208V, 3350 W, 208V heater, $260.
RTU-6273A/275V, 2700 W, 275V, $199.
To Order
(Specify Model Number)
RTU-6303A/240V, $230,
shown smaller than actual size.
MOST POPULAR MODELS HIGHLIGHTED!
B
A ± 1/2%
APPLICATIONS
⻬ Radiant Heating in
Room Ambient
⻬ Heating High
V
elocity Air
⻬ Low Temperature
Clamp-ons
Page 3
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