Watlow Heater Catalog

High-Temperature Heaters

Ceramic Fiber Heaters

C

C

A

A

A

A

B

B

L

L

B

B

All units: T = 2 ± 1 ⁄ 4 inches (51 ±6 mm)

T

T

T

T

Type 7 Insulated Ends (Style C Leads Illustrated)

Type 8 Insulated All Edges (Style C Leads Illustrated)

Type 6 Insulated Sides (Style B Leads Illustrated)

Type 5 Fully Heated (Style A Leads Illustrated) (Default Lead Style)

(Style A, B or C leads available on any type unit. Please specify.)

Flat Units — Embedded Coiled Elements (see page 421)

Dimensions in. (mm)

Electrical Rating

Approximate Net Wt.

Strip Lead Width in. (mm) 3 / 8 (10) 1 / 2 (13) 3 / 8 (10) 1 / 2 (13) 3 / 8 (10) 3 / 8 (10) 1 / 2 (13) 3 / 8 (10) 1 / 2 (13) 1 / 2 (13) 1 / 2 (13) 3 / 8 (10) 1 / 2 (13) 1 / 2 (13) 3 / 4 (19) 3 / 8 (10) 1 / 2 (13) 1 / 2 (13) 3 / 4 (19) 3 / 4 (19) 3 / 8 (10) 1 / 2 (13) 3 / 4 (19) 3 / 4 (19) 3 / 4 (19) 1 / 2 (13) 1 / 2 (13) 3 / 4 (19) 3 / 4 (19) 1 / 2 (13) 1 / 2 (13) 3 / 4 (19) 3 / 4 (19) 1 / 2 (13) 3 / 4 (19)

Heated Size

Type 6 & 8 Type 7 & 8

Surface Loading W/in 2 (W/cm 2 ) 11.5 (1.8) 11.5 (1.8) 10.4 (1.6) 11.5 (1.8) 10.4 (1.6) 10.4 (1.6) 11.6 (1.8) 10.4 (1.6) 11.2 (1.7) 11.6 (1.8) 11.5 (1.8) 10.4 (1.6) 11.5 (1.8) 10.4 (1.6) 10.4 (1.6) 10.4 (1.6) 10.0 (1.6) 10.4 (1.6) 10.0 (1.6) 10.0 (1.6) 10.4 (1.6) 10.2 (1.6) 10.4 (1.6) 10.0 (1.6) 10.2 (1.6) 10.4 (1.6) 10.6. (1.6) 10.4 (1.6) 10.2 (1.6) 10.3 (1.6) 10.9 (1.7) 10.4 (1.6) 10.9 (1.7) 10.4 (1.6) 10.4 (1.6)

Width (A) in. (mm) + 1 / 16 - 1 / 8 (1.6-3.2)

Length (B) in. (mm ) + 1 / 16 - 1 / 8 (1.6-3.2)

Width (C) in. (mm) + 1 / 16 - 1 / 8 (1.6-3.2)

Length (L) in. (mm) + 1 / 16 - 1 / 8 (1.6-3.2)

Power (Watts) ±5%

Type 5 lbs (kg)

Type 6 & 7 lbs (kg)

Type 8 lbs (kg)

Volts

4 (102)

6 (152) 12 (305) 18 (457) 24 (610) 6 (152) 12 (305) 18 (457) 24 (610) 30 (762) 36 (914) 12 (305) 18 (457) 24 (610) 30 (762) 36 (914) 12 (305) 18 (457) 24 (610) 30 (762) 36 (914) 12 (305) 18 (457) 24 (610) 30 (762) 36 (914) 12 (305) 18 (457) 24 (610) 30 (762) 36 (914) 12 (305) 18 (457) 24 (610) 30 (762) 36 (914)

8 (203) 8 (203) 8 (203) 8 (203) 10 (254) 10 (254) 10 (254) 10 (254) 10 (254) 10 (254) 12 (305) 12 (305) 12 (305) 12 (305) 12 (305) 14 (356) 14 (356) 14 (356) 14 (356) 14 (356) 16 (406) 16 (406) 16 (406) 16 (406) 16 (406) 18 (457) 18 (457) 18 (457) 18 (457) 18 (457) 20 (508) 20 (508) 20 (508) 20 (508) 20 (508)

10 (254) 16 (406) 22 (559) 28 (711) 10 (254) 16 (406) 22 (559) 28 (711) 34 (864) 40 (1016) 16 (406) 22 (559) 28 (711) 34 (864) 40 (1016) 16 (406) 22 (559) 28 (711) 34 (864) 40 (1016) 16 (406) 22 (559) 28 (711) 34 (864) 40 (1016) 16 (406) 22 (559) 28 (711) 34 (864) 40 (1016) 16 (406) 22 (559) 28 (711) 34 (864) 40 (1016)

60 60

275 550 750 1100

0.6 (0.3) 1.2 (0.5) 1.9 (0.9) 2.4 (1.1) 0.9 (0.4) 1.8 (0.8) 3.0 (1.4) 3.5 (1.6) 4.5 (2.0) 6.1 (2.8) 2.5 (1.1) 3.6 (1.6) 4.8 (2.2) 6.2 (2.8) 7.8 (3.5) 2.6 (1.2) 4.2 (1.9) 5.2 (2.4) 7.0 (3.2) 9.1 (4.1) 3.2 (1.5) 4.9 (2.2) 7.5 (3.4) 9.1 (4.1) 12.4 (5.6) 4.7 (2.1) 6.8 (3.1) 10.0 (4.5) 12.5 (5.7) 14.2 (6.4) 5.2 (2.4) 8.2 (3.7) 11.9 (5.4) 15.2 (6.9) 17.9 (8.1)

1.1 (0.5) 2.2 (1.0) 3.4 (1.5) 4.4 (2.0) 1.5 (0.7) 2.8 (1.3) 4.1 (1.9) 5.2 (2.4) 6.6 (3.0) 8.3 (3.8) 3.2 (1.5) 4.7 (2.1) 6.5 (2.9) 8.0 (3.6) 10.0 (4.5) 3.9 (1.8) 5.4 (2.4) 7.7 (3.5) 9.5 (4.3) 11.5 (5.2) 4.6 (2.1) 6.5 (2.9) 9.5 (4.3) 11.7 (5.3) 15.5 (7.0) 6.1 (2.8) 8.5 (3.9) 11.9 (5.4) 15.0 (6.8) 17.2 (7.8) 6.7 (3.0) 9.9 (4.5) 13.8 (6.3) 17.7 (8.0) 20.9 (9.5)

1.7 (0.9) 2.8 (1.3) 4.6 (2.0) 5.6 (2.5) 2.4 (1.1) 3.7 (1.7) 5.0 (2.3) 6.2 (2.8) 8.4 (3.8) 10.2 (4.6) 4.1 (1.9) 5.6 (2.5) 7.4 (3.4) 9.7 (4.4) 11.8 (5.4) 5.0 (2.3) 6.5 (2.9) 8.8 (4.0) 11.7 (5.3) 13.7 (6.2) 5.8 (2.6) 7.7 (3.5) 10.7 (4.9) 12.9 (5.9) 16.7 (7.6) 7.6 (3.4) 10.0 (4.5) 13.4 (6.1) 16.5 (7.5) 18.7 (8.5) 8.4 (3.8) 11.6 (5.3) 15.5 (7.0) 19.4 (8.8) 22.6 (10.3)

120 120 60 120 120 240 240 240 120 240 240 240 240 240 240 240 240 240 240 240 240 240 240

6 (152)

375 750

1250 1500 2000 2500 1100 1500 2200 2500 3000 1250 1800 2500 3000 3600 1500 2200 3000 3600 4400 1750 2550 3500 4300 5200 2100 3000 4200 5000 6000

8 (203)

10 (254)

12 (305)

14 (356)

240 240 240 240 240/240 1

16 (406)

240 240 240

240/240 1 240/240 1

All units in this table are suitable for use up to 2000°F (1093°C) maximum surface temperature. For unheated units, see catalog page 430. 1 These units have dual elements to use in “parallel” for 240V usage. Alternate designs are available for 480V, 277V and three-phase (internally wired). Contact your Watlow representative.

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