a NEMA 3 or 4 rated enclosure would be required

making it suitable for both 115V and 230V single-phase applications

This single pole single throw control is typically wired in series with the compressor contactor coil

Observe the discharge

Eaton Cutler-Hammer C25DND230T Contactor 321894-706 a NEMA 3 or 4The Eaton Cutler Hammer C25DND230T is a robust 2 pole definite purpose contactor designed for high cycle industrial and HVACR applications. Engineered with a 24Vac 50 60Hz coil voltage, this 30 amp inductive (40 amp resistive) component provides reliable switching for compressors, motors, and heating elements. Built on a D Frame size, it features an open type enclosure with a heavy duty metal mounting plate that ensures stability during operation and