C H A M B E R

P A R T

N U M B E R

Electric Switch Rating

Maximum Process

VAC

VDC

Temperature

Œ

Cast Iron

Cast Alum

Code

Contact Type and Material

120

240

24

120

Housing

Housing

0

SPDT w/silver contacts

10.0

10.0

6.0

0.6

+750° F (+399° C) +650° F (+343° C)

1

DPDT (dual SPDT) w/silver contacts

10.0

10.0

6.0

0.6

+750° F (+399° C) +650° F (+343° C)

2

SPDT w/gold plated contacts

0.1

—

0.1

—

+375° F (+190° C) +325° F (+162° C)

3

DPDT (dual SPDT) w/gold plated contacts

0.1

—

0.1

—

+375° F (+190° C) +325° F (+162° C)

4

HS SPDT w/silver contacts

1.0

1.0

3.0

0.5

+750° F (+399° C) +650° F (+343° C)

6

HS SPDT w/gold plated contacts

0.5

0.5

0.5

0.5

+750° F (+399° C) +650° F (+343° C)

SWITCH TYPE

Compatible Model Codes

Process

Process

ASME B31.3

Function/ Connection Connection

Standard

ASME B31.3

NACE

& NACE

Process Connection Material

Float Codes Size Codes Type Codes

1

2

Not

Not

Carbon Steel Flange and cladding

1, 2, 4, 5

3, 4, 5, 6

A, B, C, D, E

applicable

applicable

with 316/316L SS float holder & trim

AE

J

N

Carbon Steel Flange with

1, 2, 4, 5

3, 4, 5, 6

A, B, C, D, E

316/316L SS process wetted face

BF

K

P

All 316/316L Stainless Steel

1, 2, 4, 5

All

All

CGL

R

Carbon Steel Flange with

3

3, 4, 5, 6

A, B

Hastelloy C process wetted face

DH

M

T

All Hastelloy C

3

3, 4, 5, 6

A, B

PROCESS CONNECTION MATERIAL/DESIGN CODE

Z3

3

47

4

7

S T A N D A R D

N A R R O W

M O D E L

N U M B E R

ΠMaximum process temperature is based on an ambient temperature between

0° and +100° F. If ambient is outside this range, consult factory.

 See Switch temperature ranges on page 2 for minimum process temperatures

FM

CSA

ATEX EP ATEX IS

AC

1

M

Cast Aluminum,

BD

2

N

Cast Iron,

3P

Cast Aluminum, M20 X 1.5 Conduit Entry

4R

Cast Iron, M20 X 1.5 Conduit Entry

HOUSING MATERIAL/APPROVAL

Note: Flanged chambers

and process flanges

available. Consult factory.

N/A

0-001

Carbon Steel

2200 psig @ +400° F (152 bar @ +204° C), 1400 psig @ +750° F (97 bar @ +399° C)

0-002

316 Stainless Steel

2500 psig @ +400° F (172 bar @ +204° C), 2013 psig @ +750° F (139 bar @ +399° C)

1-001

Carbon Steel

1200 psig @ +400° F (83 bar @ +204° C), 780 psig @ +750° F (54 bar @ +399° C)

1-002

316 Stainless Steel

1400 psig @ +400° F (97 bar @ +204° C), 1127 psig @ +750° F (78 bar @ +399° C)

MATERIALS OF CONSTRUCTION/PRESSURE RATING