The nVent RAYCHEM AMC-1A ambient-sensing thermostat is designed to control heat tracing systems used for freeze protection in non hazardous locations. The thermostat responds to ambient temperature changes and has an adjustable set point. The AMC-1A can be used to control a single heat tracing circuit or as a pilot control of a contactor switching multiple heat tracing circuits.

Additional Product Information:

  1. NEMA 4X enclosure
  2. UL Listed and CSA Approved

Industries Served:
Building and Construction
Chemical and Pharmaceutical
Oil and Gas

Technical Specifications

EnclosureTYPE 4X, polyurethane-coated cast-aluminum housing, stainless-steel hardware
EntriesOne 3/4-in (19 mm) NPT conduit hub
Set point range15°F to 140°F (–9°C to 60°C)
Sensor exposure limits–40°F to 160°F (–40°C to 71°C)
Sensor typeFixed fluid-filled (silicone) bulb and capillary
Sensor material300 series stainless steel
Connection terminalsScrew terminals, 10–14 AWG (2–5 mm2)

UL Listed and CSA Approved.

For detailed product specifications, please refer to product datasheet.


Data Sheets
Installation Manuals
Sales Brochures & Catalogs


Warranty Information
Connection and Protection