The Ashcroft LT Temperature Switch is a versatile, watertight industrial device designed for temperature control, alarm, and shutdown in a wide range of OEM and process applications. Its technical specifications are as follows:

• Temperature Range: -40°F to 750°F (approximately -40°C to 400°C)
• Accuracy (Setpoint Repeatability): ±1% of span
• Switch Output:
  • SPDT
  • Dual SPDT (DPDT equivalent, optional)
• Setpoint Type:
  • Single or dual setpoints
  • Field or factory adjustable
• Setpoint Adjustment Range: Typically 15% to 100% of full scale
• Deadband: Fixed or adjustable depending on configuration
• Switch Mechanism: Snap-acting precision micro switch
• Enclosure Rating: NEMA 4X / IP66 (watertight and corrosion-resistant)
• Enclosure Material: Epoxy-coated aluminum
• Process Connection:
  • Direct mount: ½” NPT male
  • Remote mount: ½” NPT male bushing (optional)
• Electrical Connection:
  • ¾” NPT female (standard)
  • Optional: ½” NPT or M20×1.5
• Stem Length (Direct Mount): 2.75″ to 24″
• Capillary Length (Remote Mount): 5 to 25 ft (longer lengths available upon request)
• Wetted Materials:
  • Direct mount: 316 stainless steel
  • Remote mount: 316 stainless steel bulb with 302 stainless steel armor
• Features:
  • Wide selection of thermal systems (direct or remote)
  • Easy installation and wiring
  • Reliable long-term performance
  • Available hermetically sealed switch elements for harsh environments
• Approvals & Certifications: UL, CSA, CE, RoHS
• Applications:
  Suitable for general industrial and OEM applications such as pumps, compressors, boilers, power plants, water treatment systems, and chemical processes

This model is known for its simplicity, flexibility, and cost-effective performance in non-hazardous environments requiring dependable temperature switching.