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

Technical Specifications

EnclosureTYPE 4, 7, 9 lacquer-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, FM approved and CSA certified for the following:

Class I, Div. 1 and 2, Groups B, C, D
Class II, Div. 1 and 2, Groups E, F, G
Class III

For full product details, please refer to product datasheet.


Data Sheets
Installation Manuals
Additional References


Warranty Information
Connection and Protection