This 40 amp magnetic contactor operates on 208/240V coil voltage

Its compact design and standardized specifications ensure broad compatibility across multiple compressor brands and condensing units

Precision Control: The 5 to 10 PSI spring range ensures accurate modulation for VAV air terminal unit recalibration

8 Amps full load and 34

and regulated to prevent contamination of the internal nozzle-and-flapper assembly

Dwyer Instruments ASG Generator R-134A This 40 amp magnetic contactorThe Dwyer Instruments ASG Analog Signal Generator is a critical diagnostic tool for any HVACR contractor or building automation technician. This handheld, pocket sized device simplifies the troubleshooting of 0 10Vdc and 0 20mA circuits, providing a reliable source for calibrating transmitters, transducers, and actuators in the field. Built for efficiency, the ASG features an LED bar graph that gives you immediate visual confirmation of the signal