Trane CNT3780 Limit Switch 326010-701 While designed as an Armstrong

While designed as an Armstrong R37883B001

ensuring safe operation within low-voltage control circuits

it provides maximum mounting flexibility

The unit features proportional control with a variable timing range of 130 to 1300 seconds under no-load conditions

Designed to facilitate 1/2-inch NPSM or NPT conduit fittings

Trane CNT3780 Limit Switch 326010-701 While designed as an ArmstrongThe Trane CNT3780 Limit Switch is an essential safety control engineered for high performance HVAC and refrigeration equipment. This 155F Auto Reset Limit Switch monitors the internal temperature of the supply plenum to prevent thermal overruns that can lead to heat exchanger damage or unsafe operating conditions. Featuring a Single Pole Single Throw (SPST) contact configuration, the CNT3780 is designed to interrupt the burners' electrical circuit