LD140

The SUPCO LD140 is a Snap-Action, Single Pole Double Throw (SPDT) limit control thermostat from the LD series. This thermostat is designed to provide reliable temperature control for various applications, including industrial processes, HVAC systems, and refrigeration units.

The LD140 is a compact thermostat, with a size of 1.4 inches in diameter and 1.1 inches in height. It is made of high-quality materials, ensuring durability and resistance to harsh environments. The thermostat features a white ceramic element with a 1/16 inch (1.6mm) thermal element, which allows for precise temperature control.

The snap-action mechanism of the LD140 ensures quick and accurate response to temperature changes. When the temperature reaches the set point, the thermostat trips, disconnecting or connecting the power circuit as required. The thermostat can be set to a temperature range of 32 F to 200 F (-0.1 C to 93.3 C), making it suitable for a wide range of applications.

The LD140 is designed for easy installation and can be wired in series or parallel configurations. It has two terminals for the heating element and two terminals for the limit control, allowing for easy connections to the power source and the temperature sensor. The thermostat also has a red LED indicator, which illuminates when the heating element is on.

The LD140 is RoHS compliant and UL listed, ensuring that it meets the highest safety and quality standards. It is also suitable for use in applications with a maximum voltage of 240V and a maximum current of 15A. With its reliable performance, easy installation, and durability, the SUPCO LD140 is an excellent choice for any temperature control application.

The SUPCO LD140 LD-Series Snap-Action SPDT Limit Control Thermostat (model number L140-20F) is a temperature control device commonly used in various industries for controlling heating processes. Here are some pros and cons to help you make an informed decision about purchasing this thermostat:

1. Cost-effective: The SUPCO LD140 is an affordable option for a snap-action thermostat, making it an ideal choice for businesses and industrial applications that require multiple temperature control devices.

2. Versatile: This thermostat can be used with various heating systems, including electric, steam, and hot water. It can also be used in a wide range of temperature applications, making it a versatile option for different industries.

3. Easy to install: The SUPCO LD140 comes with clear installation instructions, and it is a snap-action thermostat, which means it does not require any complex wiring or calibration.

4. Durable: The thermostat is made of high-quality materials, including brass and stainless steel, making it resilient to harsh industrial environments.

1. Limited temperature range: The SUPCO LD140 has a temperature range of 40 F to 350 F, which may not be suitable for certain industrial applications that require a wider temperature range.

2. Manual reset: In case of an over-temperature condition, the thermostat needs to be manually reset, which can be time-consuming and require personnel to attend to it.

3. No remote monitoring: The SUPCO LD140 does not offer remote monitoring capabilities, which can limit the ability to monitor temperature conditions in real-time from a distance.

The SUPCO LD140 LD-Series Snap-Action SPDT Limit Control Thermostat (model number L140-20F) is a cost-effective, versatile, and durable temperature control device suitable for various industries and applications. However, it may not be the best option for those requiring a wider temperature range, remote monitoring capabilities, or automatic reset functions. Overall, if the temperature range and features of the SUPCO LD140 meet the requirements of your application, it is a worthy investment for your industrial heating processes.

Considering the pros and cons, the SUPCO LD140 would be a suitable recommendation for businesses or industries with heating processes in the temperature range of 40 F to 350 F and a budget for cost-effective temperature control devices. It can be used in various heating systems, including electric, steam, and hot water, making it a versatile option for different applications. If a wider temperature range or remote monitoring capabilities are essential, consider other thermostat models that offer those features.

Details:

The Supco LD140 ld-series snap-action spdt limit control thermostat, L140-20F is a reliable and efficient hvac control device designed for industrial commercial use. Ideal for hvac and refrigeration systems, the Supco LD140 offers a dependable high-quality solution maintaining optimal temperature levels in various settings.

specifications maxohvac:

• brand: Supco
• mpn: Ld140
• part type: Action Control Thermostat
• california prop 65 warning: Warning Https
• upc: 687152020188

general maxohvac:

• category: Business & Industrial > Hvac Refrigeration

seller maxohvac:

• city: santa fe, texas
• rating: 99.2%
• # reviews: 1144

offer maxohvac:

• options: ship-to-home
• started: january 22, 2026
• prices: $9.55–$325.00
• item condition:
  • New
  • New – Open box
• in stock #: 5
• sold #: 8
• availability: in stock

returns maxohvac:

• policy: returns accepted
• method: money back
• time: 30 days
• paid by: seller

payments maxohvac:

• wallet: apple-pay
• credit card: visa
• other

shipping maxohvac:

• carrier: usps
• class: standard
• transit: 5-10 days
• type: calculated
• service: usps ground advantage

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