001 Front Cover

Thermocouple Heads - Aluminum

enclosure performance ratings for each of our heads are listed to help you select the proper head for your applica- common NEMA Ratings for thermocouple connection heads in our catalog, are the NEMA Type 2,4, and Type 4X. from the National Electrical Manufacturers Association Classification detailed in NEMA 250-1997 are shown below' For indoor use to provide personnel protection against incidental contact with the enclosed equipment and provide protection against from falling dirt, dripping or light splashing water. For indoor or outdoor use to provide protection from falling dirt, rain, sleet, snow, windblown dust, splashing water, hose directed water, and will be undamaged by the formation of ice on the external surface of the head. For indoor or outdoor use to provide protection from falling dirt, rain, sleet, snow, windblown dust, splashing water, hose directed water, corrosion, and will be undamaged by the formation of ice on the external surface of the head.

The NEMA tion. The most Their definitions / NEMA 2:

,/ NEMA 4:

{ NEMA 4x=

Standard Screw Cover Head With Chain . Aluminurn

Single / 2 Single i 2 Single / 2 Single i 2 Double / 4 Double / 4 Double / 4 Double / 4 Triple / 6 Triple / 6 Triple / 6 Triple / 6

AWTS AWTS AWTS AWTS AWTD AWTD AWTD AWTD AWTT AWTT AWTT AWTT AWTR AWTR AWTR AWTR

314" NPT 314' NPT 314" NPT 314" NPT 314" NPT 314" NPT 314" NPT 314" NPT 314" NPT 314' NPT 314" NPT 314" NPT 314" NPT 314" NPT 314" NPT 314" NPT

SHSO2 SHSOS SHS1 2 SHS1 6 SHDO2 SH DO8 SHDl 2 SHDl 6 SHTO2 SHTOs SHT1 2 SHT1 6 SHTRO2 SHTROS SHTRl 2 SHTRl 6

1/8" NPT 1/2" NPT 314" NPT 1'' NPT 1/8" NPT 1/2" NPT 314" NPT 1'' NPT 1/B'' NPT 1/2" NPT 314" NPT 1'' NPT 1/9" NPT 1/2" NPT 314" NPT 1'' NPT

Height - 3.6" or 91.4mm width - 3.6" or 91.4mm Cap Diameter - 3.1" or 78.74mm NEMA Rating - Type 4

RTD/ 6 RTD/ 6 RTD/ 6 RTD/ 6

Flip-Top Head - Aluminum

Single / 2 Single / 2 Single / 2 Double / 4 Double / 4 Double / 4 Triple / 6 Triple / 6 Triple / 6

AWTS AWTS AWTS AWTD AWTD AWTD AWTT AWTT AWTT AWTR AWTR AWTR

314" NPT 314" NPT 314' NPT 314" NPT 314' NPT 314' NPT 314" NPT 314" NPT 314" NPT 314" NPT 314" NPT 314" NPT

AFTHSO2 AFTHSOs AFTHS12 AFTHDO2 AFTHDOS AFTHDl2 AFTHTO2 AFTHTOS AFTHT12 AFTHTRO2 AFTHTROS AFTHTRl2

1/9" NPT 1/2" NPT 314" NPT 1/9" NPT 1/2" NPT 314" NPT 1/8" NPT 1/2" NPT 314" NPT 1/B'' NPT 1/2" NPT 314" NPT

Height - 3.4" or 86.4mm width - 3.1" or 78.7mm Cap Diameter - 3.3" or B3.8mm NEMA Rating - Type 4

RTD/ 6 RTD/ 6 RTD/ 6

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