T31-002N-10A Datasheet, PDF (25/28 Pages) Magnetrol International, Inc. – Tuffy® II Liquid Level Controls with Electric Switches

2.8 Model Numbers
2.8.3 Interface Models (continued)
PROCESS CONNECTION MATERIAL/DESIGN CODE
Standard ASME B31.3
NACE
ASME B31.3
& NACE
1
2
N/A
N/A
A
E
J
N
B
F
K
P
Process Connection Material
Carbon Steel Flange and cladding with
316/316L SS float holder & trim
Carbon Steel Flange with
316/316L SS process wetted face
All 316/316L Stainless Steel
SWITCH TYPE
Electric Switch Rating
VAC
VDC
Code
Contact Type and Material
120 240 24 120
0 SPDT w/silver contacts
10.0 10.0 6.0 0.6
1 DPDT (dual SPDT) w/silver contacts
10.0 10.0 6.0 0.6
2 SPDT w/gold plated contacts
0.1 — 0.1 —
3 DPDT (dual SPDT) w/gold plated contacts 0.1 — 0.1 —
4 HS SPDT w/silver contacts
1.0 1.0 3.0 0.5
6 HS SPDT w/gold plated contacts
0.5 0.5 0.5 0.5
Maximum Process
Temperature Œ
Cast Iron
Housing
Cast Alum.
Housing
+750° F (+399° C) 650° F (+343° C)
+750° F (+399° C) 650° F (+343° C)
+375° F (+190° C) 325° F (+162° C)
+375° F (+190° C) 325° F (+162° C)
+750° F (+399° C) 650° F (+343° C)
+750° F (+399° C) 650° F (+343° C)
ΠMaximum process temperature is based on an ambient temperature between
0° and +100° F (-18° and +30° C). For ambients outside this range, see switch
temperature charts on pages 16–18.
 See Switch Temperature Ranges on page 16 for minimum process temperatures.
HOUSING MATERIAL/APPROVAL
FM CSA ATEX EP ATEX IS
A
C
1
M
Cast Aluminum, ³â„4" NPT Conduit Entry
B
D
2
N
Cast Iron, ³â„4" NPT Conduit Entry
3
P
Cast Aluminum, M20 × 1.5 Conduit Entry
N/A
4
R
Cast Iron, M20 × 1.5 Conduit Entry
44-607 Tuffy II Liquid Level Switch
25