Chromalox Big Red Book

Immersion

MT-3 Clean Water Applications • 2-1/2" NPT Brass Screw Plug • Copper Sheath Elements • High Watt Density (46 - 53 W/In 2 ) • 3 - 18 kW • Without Thermostat • 120, 208, 240 and 480 Volt, 1 and 3 Phase • General Purpose, Moisture Resistant/Explosion Resistant Terminal Enclosure or Moisture Resistant

E1 — Dimensions (Inches)

5-5/8

B

2" Cold (Ref.)

2-1/2 Min. Hole Size

4

Thermowell

(3) 0.475" Dia. Elements

Hole for 3/4" Conduit

E2 — Dimensions (Inches)

B

5-3/8

SCREW PLUG

2" Cold (Ref.)

2-1/2 Min. Hole Size

3-3/8

5-3/16 Nom.

Thermowell

(3) 0.475" Dia. Elements

(2) 3/4" NPT Conduit Opening

E4TP — Dimensions (Inches)

B

6-13/32

1/2" NPT Conduit

2" Cold (Ref.)

2-1/2 Min. Hole Size

4-13/16

Thermowell (3) 0.475" Dia. Elements 1/4" NPT

3/4" NPT Conduit Knockout

Specifications and Ordering Information

Conduit Knockout

E2 Moisture Resistant/ Explosion Resistant 2

E1 General Purpose 1

E4 Moisture Resistant

No. Elem.

DIM B (In.) 7-3/8 7-3/8 7-3/8 7-3/8 7-3/8 7-3/8 7-3/8 8-7/8 8-7/8 8-7/8 8-7/8 8-7/8 8-7/8 8-7/8 11-3/8 11-3/8 11-3/8 11-3/8 11-3/8 11-3/8 11-3/8 17-3/8 17-3/8 17-3/8 17-3/8 17-3/8 17-3/8 17-3/8 19-1/8 19-1/8 19-1/8 19-1/8 19-1/8 19-1/8 24-1/2 24-1/2 24-1/2 24-1/2 24-1/2 24-1/2

Wt. (Lbs.)

Wt. (Lbs.)

Wt. (Lbs.)

Model Stock PCN

Model

Stock PCN

Model

Stock PCN

kW Volts Phase W/In 2

3 3 3 3 3 3 3

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

1 1 1 3 3 1 3 1 1 1 3 3 1 3 1 1 1 3 3 1 3 1 1 1 3 3 1 3 1 1 3 3 1 3 1 1 3 3 1 3

51 51 51 51 51 51 51 52 52 52 52 52 52 52 48 48 48 48 48 48 48 48 48 48 48 48 48 48 53 53 53 53 53 53 47 47 47 47 47 47

3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3

MT-330A MT-330A MT-330A MT-330A MT-330A MT-330A MT-330A MT-337A MT-337A MT-337A MT-337A MT-337A MT-337A MT-337A MT-345A MT-345A MT-345A MT-345A MT-345A MT-345A MT-345A MT-360A MT-360A MT-360A MT-360A MT-360A MT-360A MT-360A MT-375A MT-375A MT-375A MT-375A MT-375A MT-375A MT-390A MT-390A MT-390A MT-390A MT-390A MT-390A

NS NS NS

191396 191409 191417 191433 191441 322245 322261 191450 191468 191476 191492 191505 322296 322317 191513 191521 191530 191556 191564 322341 322368 191572 191580 191599 191610 191628 322384 322405 191636 191644 191652 191660 322421 322448 191679 191687 191695 191708 322464 322480

5 5 5 5 5 5 5 6 6 6 6 6 6 6 6 6 6 6 6 6 6 8 8 8 8 8 8 8 8 8 8 8 8 8

MT-330E2 MT-330E2 MT-330E2 MT-330E2 MT-330E2 MT-330E2 MT-330E2 MT-337E2 MT-337E2 MT-337E2 MT-337E2 MT-337E2 MT-337E2 MT-337E2 MT-345E2 MT-345E2 MT-345E2 MT-345E2 MT-345E2 MT-345E2 MT-345E2 MT-360E2 MT-360E2 MT-360E2 MT-360E2 MT-360E2 MT-360E2 MT-360E2 MT-375E2 MT-375E2 MT-375E2 MT-375E2 MT-375E2 MT-375E2 MT-390E2 MT-390E2 MT-390E2 MT-390E2 MT-390E2 MT-390E2

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 NS NS NS NS NS NS S NS NS

310800 288809 310818 288817 322288 322253 322270 310826 288825 310834 288833 322333 322309 322325 310842 288841 288868 288850 288876 322350 322376 310850 288884 288905 288892 322392 288913 322413 288921 288948 288930 288956 322430 322456 288964 288980 288972 288999 322472 322499

8 8 8 8 8 8 8 9 9 9 9 9 9 9 9 9 9 9 9 9 9

MT-330E4TP MT-330E4TP MT-330E4TP MT-330E4TP MT-330E4TP MT-330E4TP MT-330E4TP MT-337E4TP MT-337E4TP MT-337E4TP MT-337E4TP MT-337E4TP MT-337E4TP MT-337E4TP MT-345E4TP MT-345E4TP MT-345E4TP MT-345E4TP MT-345E4TP MT-345E4TP MT-345E4TP MT-360E4TP MT-360E4TP MT-360E4TP MT-360E4TP MT-360E4TP MT-360E4TP MT-360E4TP MT-375E4TP MT-375E4TP MT-375E4TP MT-375E4TP MT-375E4TP MT-375E4TP MT-390E4TP MT-390E4TP MT-390E4TP MT-390E4TP MT-390E4TP MT-390E4TP

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 NS NS NS NS NS NS NS NS NS

063861 063870 063888 063896 063909 063917 063925 063933 063941 063950 063968 063976 063984 063992 064004 064012 064020 064039 064047 064055 064063 064071 064080 064098 064100 064119 064127 064135 064143 064151 064160 064178 064186 064194 064207 064215 064223 064231 064240 064258

5 5 5 5 5 5 5 6 6 6 6 6 6 6 6 6 6 6 6 6 6 8 8 8 8 8 8 8 8 8 8 8 8 8

S S

NS NS NS NS NS NS S NS NS NS S NS NS NS NS NS NS NS NS NS NS NS NS NS NS S S S S S S

3.75 3.75 3.75 3.75 3.75 3.75 3.75

4.5 4.5 4.5 4.5 4.5 4.5 4.5

6 6 6 6 6 6 6

11 11 11 11 11 11 11 11 11 11 11 11 11 15 15 15 15 15 15

7.5 7.5 7.5 7.5 7.5 7.5

9 9 9 9 9 9

12 12 12 12 12 12

12 12 12 12 12 12

S S

NS NS

“Under the U.S. Federal Safe Drinking Water Act, it is unlawful to install or use this product in any service that comes into contact with water for human consumption (including drinking, food or beverage preparation, hand washing, or teeth brushing). This product is intended exclusively for use in non-potable service.”

B-21