LT-Series NEMA 4 Watertight Multifunction Temperature Switch
The Ashcroft® LT NEMA 4 temperature switch is engineered for use in virtually all OEM and industrial applications. The simple design allows for easy wiring and field installation, while its proven technology delivers repeatable, long-term performance. With temperature ranges from -40°F to 750°F this switch is ideal for temperature control, shutdown or alarm operations.
Key Features:
- Choice of temperature ranges (from -40° to 750°F)
- Direct or remote reading thermal systems
- Wide selection of switch elements
- Adjustable setpoints from 15%-100% of range
- Fixed or adjustable deadbands
- Single or Dual adjustable set points
- UL, CSA and CE approved
Applications:
Process Market:
- Refineries
- Chemical and Petrochemical Plants
- Pulp and Paper Mills
- Power Plants
- Steel Mills
- Water and Sewage Treatment Facilities
Industrial Market:
- Pumps, Compressors and Turbines
- Dairies and Breweries
- Boilers and Burners
- Reverse Osmosis Systems / Filters
- Filters and Presses
- Paint spraying Equipment
- Specialized OEM Equipment
Specifications
Certifications & Approvals
Data Sheets & Instruction Manuals
Drawings & Product/Technical Information
Setpoint Repeatability (Accuracy)
±1% of span (Additional setpoint shift of ±1% of range per 50°F from initial setpoint set at 70°F typical)
Setpoint
Dual setpoint, fixed deadband
(Setpoints - factory set or field adjustable)
Single setpoint, adjustable deadband
Single setpoint, fixed deadband
Deadband
Fixed or adjustable
Enclosure Ratings
NEMA 4X / IP66
Pressure Ranges
-40°F to 60°F through 500°F to 750°F
Enclosure Material
Epoxy coated aluminum
Pressure Connection
Direct Mount: ½ NPT Male
Remote Mount: ½ NPT Male Bushing (XBX) (OPT.)
Electrical Termination
3/4 NPT Female conduit connection
½ NPT Female, M20 X 1.5 (OPT.)
Direct Mount
Stem lengths from 2¾˝ to 24˝
Remote Mount
Capillary lengths from 5´ to 25´ (5 ft. increments) Consult Factory for longer lengths
Wetted Material
Direct Mount: 316 Stainless steel
Remote Mount: Bulb capillary: 316 Stainless steel
Spiral armor: 302 Stainless steel
