Chromalox Tubular Heaters Terminal Options

Components

28

0.246 240

0.25 240

0.26 240

Welded on threaded pin (#8-32), nut
and washer

34

0.2 240

Leadwire with sleeving, #6 Connector

STRI/ 0.315 240

STRS/ 0.475 480

STRC

Single-end tubular termination, 10"
leadwire

30

All 240

Ark-Les

R

Connector

30R

All 240

Right-angle Ark-Les

R

Connector

37

0.315 240

0.375 240

0.43 480

0.475 480

Extra mechanical strength
# 8-32 thread

1/4

Sheath Dia.

Per Tab

3/4

Standard Terminals

3

0.315 480

0.375 480

0.43 480

0.475 480

Welded on threaded pin (#10-32), nut
and washer

4

0.43 480

0.475 480

0.5 480

Threaded terminal pin (#8-32), nut
and washer

8

0.246 240

0.25 240

0.26 240

0.315 240

0.375 240

0.43 240

0.475 240

Terminal connector - 5/16" long, #10-32
machine screw

Alternate Terminals

23

0.43 600

0.475 600

0.5 600

Threaded terminal pin (#8-32), nut
and washer

24

0.43 600

0.475 600

0.5 600

Threaded terminal pin (#8-32), nut
and washer

25

0.246 240

0.25 240

0.26 240

0.315 240

0.375 240

0.43 240

0.475 240

5/16" Long #10-32 Bolt with nut

Sheath

Dia. Max.

Type Description (In.) Volts

Sheath

Dia. Max.

Type Description (In.) Volts

3/4

Sheath Dia. Per Tab

1

1/4

Mica

Sheath Dia. Per Tab

Sheath Dia. Per Tab

1/4

Sheath Dia. Per Tab

1

1/4

Mica

3/

Mica

Sheath Dia.

Per Tab

1/

1/4

3/4

Mica

3/4

Sheath Dia.

Per Tab

1/4

1/

Sheath Dia. Per Tab

Mica

1/4

Sheath Dia. Per Tab

1/

3/4

3/4

1

Tubular Heaters

Terminal Options

Standard, Alternate and Moisture Resistant Terminals

A-10

Tubular Heaters

48

0.246 240

0.25 240

0.26 240

0.315 240

0.375 240

0.43 240

0.475 240

Narrow profile terminal connector,
5/16" Long #10-32 or #8-32
machine screw.

49/50

0.315 480

0.43 480

0.475 480

0.5 480

Silicone bushing/ceramic disc seal,
epoxy/RTV/silicone resin can be placed
under bushing (type 49, #8-32 thread/
type 50, #10-32 thread)

53

0.315 480

0.375 480

0.43 480

0.475 480

Air set cement, >700°F temp.

Alternate Terminals (cont’d.)

38

0.315 480

0.375 480

0.43 480

0.475 480

Leadwire type terminal

47-L

0.315 480

0.375 480

0.43 480

0.475 480

105°C leadwire, silicone sleeving

47-M

0.315 480

0.375 480

0.43 480

0.475 480

200°C leadwire, silicone sleeving

39/40

0.43 480

0.475 480

0.5 480

Epoxy, 194°F max. temp., (type 39)
RTV, 350°F max. temp., (type 40)

42

0.475 480

Silicone rubber boot potted with RTV
sealant, 0.475" dia. single-end only

Moisture Resistant Terminals Note: Type 26 is the only Hermetic Seal, all others are Barriers.

13

0.246 240

0.25 240

0.26 240

0.315 300

0.375 480

0.43 480

0.475 480

0.5 550

EPDM rubber vulcanized to sheath
and leadwire, max. temp. 220º F

26

0.315 240

0.375 480

0.43 480

0.475 480

0.5 480

Hermetic seal, 1000°F max.
element temp.

39/40

0.315 480

0.375 480

0.43 480

Epoxy, 194°F max. temp., (type 39)
RTV, 350°F max. temp., (type 40)

2

0.375" Dia. and Larger

Sheath Dia. Per Ta b

Sheath Dia. Per Ta b

2-1/8

Silicone

Rubber Boot

14

1/2

16 Gauge Lead Wire

1-7/8

3/4

1-7/8

0.43" Dia.

and Larger

0.315" Dia. and Smaller

1-3/4

15/32

0.375" Dia.

and Smaller

#10-32

1/4-28

Sheath Dia. Per Ta b

1-5/8

A

Dia. (In.) A

0.315 3/8

0.375 1/2

0.43, 0.475 9/16

Sheath

Dia. Max.

Type Description (In.) Volts

Sheath

Dia. Max.

Type Description (In.) Volts

1-3/4

12

1/2

1-3/4

12

1/2

Sheath Dia. Per Ta b

1/4

7/8

5/16

Silicone Bushing

13/32

Ceramic Spacer

7/8

7/16

1-1/8

Sheath Dia. Per Ta b

Ceramic Bushing

#10-32

1

Sheath

Dia. Per Ta b

Ceramic Bushing

1/4

13/32

#10-32

#8-32

Ceramic Bushing

Sheath Dia.

Per Ta b

13/16

1/4

1/4

5/16

0.26
to

0.475

480

V Seal (284F)

V Seal Plus (392F)

A Seal (Sheath Limit)

R Seal (600F)

 Seal (1100F)

V

VP

A

Components

Terminal Options (cont’d.)

Standard, Alternate and Moisture Resistant Terminals

Tubular

A-11