Sensata 1NT and 3NT Fixed Temperature Thermostats

Sensata 1NT and 3NT Series Fixed Temperature Thermostats are snap-action bimetal temperature-control devices designed to provide reliable thermal protection. The 1NT is recognized by agencies around the world and, depending on its configuration and application, is widely used as a regulating thermal switch, over-temperature control or pilot duty control switch.

The 3NT series fixed-temperature thermostats feature an automatic reset mechanism and patented tamper-proof bi-metal discs that ensure dependable switch actuation for electrical loads up to 10A at 240Vac. The 3NT thermostat is based on the proven 1NT platform, with millions of units deployed worldwide in HVAC, appliance, automotive, and specialty applications.

Features

1NT

• Clean processing compatibility
• High-temperature capability
• ISO9001: 2000 certification
• Many terminations and mounting configurations available
• Snap-action switching mechanism

3NT

• Automatic reset mechanism
• Certified by UL and ENEC
• Fast thermal response
• Tamper-proof bi-metal disc

Applications

1NT

• Automation
• Heating elements
• HVAC
• Panel heaters
• Power supplies
• Refrigeration

3NT

• Commercial 
• Dehumidifiers  
• Heat pumps
• Condensing or moist environments

Technical Specifications

Additional Resource

• Sensata Heat Pumps Application Note (Download from Sensata)