This 3-tube assembly is primarily used in 75

If voltage is present but the DPST contacts fail to close

and the Schneider Electric Erie AG13B02A Actuator is engineered to meet those demands

including the Series 26 and 27 modules

making it a direct fit for most standard Fenwal electrodes and high-voltage transformers

Ranco O16-503 Pressure Control Els PW 17895 This 3-tube assembly is primarilyThe Ranco O16 503 is a heavy duty high pressure cutout control designed for precise system protection in commercial refrigeration and air conditioning applications. As a direct P70JA 18 replacement, this SPDT pressure control features a single pole double throw switch, offering versatility for both safety cutout and alarm signaling. Built with a high visibility scale for accurate field adjustments, it manages a wide operating range from 150 to 450