10
SWITCH MECHANISMS
SWITCH TYPE
(see table below - "SWITCH MECHANISMS")
0
SPDT with silver contacts
1
DPDT with silver contacts
2
SPDT with gold plated contacts
3
DPDT with gold plated contacts
4
Hermetically sealed, SPDT with silver contacts
6
Hermetically sealed, SPDT with gold plated contacts
T 3
complete code for TUFFY
®
T3
DESIGN CODE AND FLANGE MA
TERIAL
Design codes
Standard
ANSI/
NACE
ANSI/ASME
Flange material
ASME B31.3
B31.3 & NACE
1
2
3
➀
4
➀
Carbon steel
A
E
J
N
Carbon steel w. 316/316L cladding
B
F
K
P
316/316L (1.4401/1.4404) stainless steel
C
G
L
R
Carbon steel w. Hastelloy C cladding
D
H
M
T
Hastelloy C (2.4819)
MODEL IDENTIFICATION
SEE P
AGE 9
HOUSING MATERIALS AND CABLE ENTRY
Consult factory for proper partnumbers for FM/CSA approved units
1
Cast aluminium, single
3
/
4
" NPT cable entry,
ATEX II 1/2G EEx d II C T6
2
Cast iron, single
3
/
4
" NPT cable entry,
ATEX II 1/2G EEx d II C T6
3
Cast aluminium, single M20 x 1,5 cable entry,
ATEX II 1/2G EEx d II C T6
4
Cast iron, single M20 x 1,5 cable entry,
ATEX II 1/2G EEx d II C T6
M
Cast aluminium, single
3
/
4
" NPT cable entry,
ATEX II 1G EEx ia II C T6
N
Cast iron, single
3
/
4
" NPT cable entry,
ATEX II 1G EEx ia II C T6
P
Cast aluminium, single M20 x 1,5 cable entry,
ATEX II 1G EEx ia II C T6
R
Cast iron, single M20 x 1,5 cable entry,
ATEX II 1G EEx ia II C T6
All TUFFY
®
are available with a selection of switch modules that vary in switch rating (Amp) and max process temperature
allowance. The max temperature is dependent upon the housing material selected. Consult table below, before selecting the
proper module in the order number structure on pages 9 or 10.
Electric switch rating
Process temperature range
V AC
V DC
@ 40 °C (100 °F) ambient temp.
Code
Contacts and type
120 240 24
120
Cast Iron
Cast Aluminium
0
SPDT with silver contacts
10.0 10.0 6.0
0.6 -40 °C to +400 °C
(-40 °F to +750 °F)
-40 °C to +345 °C
(-40 °F to +650 °F)
1
DPDT with silver contacts
10.0 10.0 6.0
0.6 -40 °C to +400 °C
(-40 °F to +750 °F)
-40 °C to +345 °C
(-40 °F to +650 °F)
2
SPDT with gold plated contacts
0.1
-
0.1
-
-40 °C to +190 °C
(-40 °F to +375 °F)
-40 °C to +160 °C
(-40 °F to +325 °F)
3
DPDT with gold plated contacts
0.1
-
0.1
-
-40 °C to +190 °C
(-40 °F to +375 °F)
-40 °C to +160 °C
(-40 °F to +325 °F)
4
HS SPDT with silver contacts
1.0
1.0 3.0
0.5 -55 °C to +400 °C
(-65 °F to +750 °F)
-55 °C to +345 °C
(-65 °F to +650 °F)
6
HS SPDT with gold plated contacts
0.5
0.5 0.5
0.5 -55 °C to +400 °C
(-65 °F to +750 °F)
-55 °C to +345 °C
(-65 °F to +650 °F)
➀
Not for all models
Summary of Contents for Tuffy T3 series
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