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Temperature switches provide setpoint-based temperature monitoring with discrete switching outputs. Options include compact electronic sensors with solid state outputs and no moving parts for long life, or rugged NEMA 4X mechanical switches with relay outputs for high-current, direct load switching.
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Monitoring and controlling temperature are essential for a variety of process and industrial automation applications. Temperature switches provide reliable setpoint‑triggered outputs to indicate when a process rises above or falls below a user‑defined temperature threshold.
- Electronic temperature switches have no moving parts and provide long-term stability without setpoint drift
- Mechanical temperature switches provide precision snap-action SPDT contacts for high-current switching applications
For part listing and specifications, go to Shop Now
Ashcroft T4 Series Mechanical
New!
Ashcroft T4 series mechanical temperature switches deliver dependable temperature control and robust, high-current switching. Designed to withstand harsh environments, these switches resist water, dust, and corrosion, making them ideal for industrial, process, and outdoor installations. Featuring Ashcroft’s renowned accuracy, field-adjustable setpoints, and durable, compact design, the T4 series delivers reliable and consistent performance.
- Wide -40° to 525°F ( -40° to 274° C) setpoint range in one product family
- High 15A SPDT switch contacts eliminate the need for external contactors or interposing relays
- Direct-mount models with 2.75 or 6 inch insertion lengths and remote-mount models with a 5 ft capillary tube and 3 inch insertion length provide installation flexibility
- Easy mechanical setpoint adjustment with locking screw for secure settings
- 1/2 inch male NPT process connection for easy installation into existing piping and equipment
- Rugged epoxy-coated aluminum housing with NEMA 4X/IP66 protection for demanding industrial environments
Starting at
(T424TS027-40/60F)
ProSense TSDA25 Series Electronic
Featuring solid-state sensing technology, the ProSense TSDA25 series provides accurate temperature monitoring with consistent switching performance over time. Built with a rugged housing and 316 stainless steel wetted parts, they offer high performance and easy setup via mechanical adjustment dials.
- Wide -4 to 284°F (-20 to 140°C) or -13 to 284°F (-25 to 140°C) sensing ranges accommodate a variety of industrial applications
- Two N.O. or complementary N.O./N.C. PNP outputs provide flexible switching options for alarms, control, or monitoring functions
- Class A accuracy ensures precise and reliable temperature measurement
- 6 mm diameter probe allows installation in compact spaces and standard thermowells
- LED status indicators provide at-a-glance output and operating status
- Suitable for liquid or gas media (subject to chemical compatibility) to accommodate a wide range of temperature switching applications
- IP67-rated construction protects against dust ingress and temporary immersion for reliable operation in harsh industrial environments
Starting at
(TSDA25N-AP-0284-H)
