United Pacific Air Pressure Switch 46126

United Pacific Air Pressure Switch Trucking can be a dangerous job and safety is a huge priority. One of the best ways to increase safety is by installing a train horn to your rig that is much louder than a regular horn. Automatically turns on the compressor when tank pressure is below 85 psi. Auto shuts off compressor when tank pressure reaches 105 psi. 1/8″ male pipe threads, 1/4″ push-on male terminals. No.