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T1X / T2X / L1X Explosion-Proof Temperature Switches


T1X, T2X and L1X temperature switches provide mechanical temperature control in hazardous industrial locations. T1X and T2X use a remote bulb and capillary; L1X uses local immersion sensing. T1X and L1X have one SPDT circuit, while T2X has two independent SPDT circuits.

The enclosure provides NEMA 4, 7 and 9 protection with a tamper-resistant external adjustment. Select the sensing arrangement, switching element and temperature range, then confirm the approvals for the complete ordered construction.


Select & Configure Model
Base Model #Sensing / LayoutTemperature Range / SetpointOutputsProbe / ConnectionAvailabilityAdd to Cart /
Configure Part #
 
T1XRemote bulb/capillary; single setpoint-50 to 600°F; selected range governs1 SPDT6, 12 or 25 ft capillary; optional ATEXInquireConfigurator
T2XRemote bulb/capillary; dual setpoints-50 to 600°F; selected range governs2 independent SPDT circuits6, 12 or 25 ft capillary; optional ATEXInquireConfigurator
L1XLocal immersion; single setpoint-50 to 450°F; selected range governs1 SPDT304 stainless steel sensor; optional thermowell / ATEXInquireConfigurator

Ordering and compatibility

Remote models use a standard 6 ft capillary, or optional 12 ft and 25 ft lengths. A 25 ft capillary requires stainless steel wetted material S and stainless steel armor -A. Optional ATEX code -EX also requires stainless steel wetted material.

The local L1X configurator uses a stainless steel sensor and local thermowell choices. Dual setpoints are not available in the local-mount version. Remote and local range codes have different adjustment limits; select the correct model before configuring.

Manual-reset code -G with -RD is available only on T2X and requires the customer to specify the low circuit; it is handled by inquiry. Hermetically sealed prefix/switch combinations and factory presets also require inquiry. With -S adjustable differential on T2X, the catalogue pairs an H switch with an S switch. Availability is by inquiry.

Standard approvals are UL/CSA. ATEX applies to the correctly ordered -EX construction. Confirm the installation classification, ambient limits and current product marking before use.


Mod Tronic Instruments Limited
1 Delta Park Blvd #12
Brampton, ON L6T 5G1
Phone: 905-457-6322 or 1-800-794-5883
Fax: 905-457-4716 or 1-800-830-7122
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