Honeywell 621-0020R Universal Analog Input Module for Industrial Control
The Honeywell 621-0020R is a pressure switch designed for industrial applications, featuring a pressure range of 0-150 psi and a maximum working pressure of 300 psi. It has a SPDT electrical rating of 10A at 125/250VAC. Commonly used in HVAC systems, compressors, and process control, it offers reliable performance in harsh environments. Compared to models like the 05701 series, the 621-0020R has a higher pressure capacity and is more suited for heavy-duty applications, while the 05701 series might be preferred for lighter, more precise control tasks.
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