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Series T1X, T2X, L1X0 pages
Temperature
Explosion Proof Temperature Switches
Series T1X, T2X, L1X
Features
Explosion-proof for hazardous locations
High accuracy
Remote, local or ambient sensing
UL, CSA & ATEX approved
NEMA 4, 7, 9 & IP65
Applications
Oil & gas
Heat tracing
Printing machinery
Compressors
Process equipment
Machine tools and industrial equipment
L1X
T2X
General Specifications*
Accuracy:
(Repeatability)
Switch:
Single Setting:
±1% of mid-60% of full range. At
constant ambient +/- 0.5% of full scale.
(Knob indication is reference only)
Local Mount:
Immersion length 2-1/16 inches
Bulb & Capillary:
6 and 12 foot length standard.
Approvals:
Underwriters’ Laboratories, Inc. and Canadian
Standard Assoc. are listed under Temperature
indicating and regulating equipment, for use in
hazardous locations, Class I, Groups B, C and
D; Class II, Groups E, F and G.
UL (standard):
File No. E58658, Guide No. XBDV
CSA (standard):
File No. LR34556,
Guide 400-E-O.8. Class 4868.
ATEX (optional):
EX models are ATEX marked as follows:
0344, ISSeP 08 ATEX029X
II 2G D, Ex d IIC T6 Gb
Ex tb IIIC T80°C Db IP65
-40°C Tamb +75°C
Temperature Range:
See product congurator
Adjustment:
Tamper resistant external adjustment. Turn
knob clockwise to increase setpoint.
(Knob indication is reference only)
Standard Options/
Modifications:
For thermowels, split nuts and union
connections, see accessory pages.
Weight:
Single - approximate 3.0 lbs.
Dual - approximate 7.0 lbs.
One (1) single pole double throw (SPDT)
circuit.
Dual Setting:
Two (2) independent single pole double
throw (SPDT) circuits.
Electrical
Characteristics:
All models incorporate Underwriters’
Laboratories, Inc. and CSA listed single
pole double throw snap-action switching
elements. Switches may be wired normally
open or normally closed.
Wetted Parts:
304 stainless steel
Electrical
Connection:
Single: 3-pin terminal strip
Dual: 6-pin terminal strip
Electrical Ratings:
AC value at 75% power factor —10 amps
125, 250 volts AC, 3 amps 480 volts AC.
Automatically reset by snap-action of
switch.
Enclosure/Housing:
Designed for hazardous locations:
Class I, Division 1 & 2
NEMA 4, 7, 9 & IP65 tamper-proof external
adjustment, enclosed terminal strip.
* See Product Congurator for additional options.
Wiring Diagram
Wiring Code
Lead
Circuit #1
Circuit #2
Normally Closed
Blue
Orange
Common
Purple
Brown
Normally Open
Red
Yellow
NO (Red)
NO (Red)
C (Purple)
C (Purple)
NC (Blue)
NC (Blue)
T
NO (Yellow)
C (Brown)
NC (Orange)
T
1
"
