YOKOGAWA ALR121-S51 S1 Serial Communication Module
The YOKOGAWA ALR121-S51 is a robust limit alarm relay designed for industrial process control. Key specs include a wide operating voltage range of 100-240 VAC, SPDT relay output, and a compact design suitable for DIN rail mounting. It's typically used in monitoring temperature, pressure, and flow in manufacturing and chemical processing. Compared to the ALE111-S50, the ALR121-S51 offers a higher voltage range and a more versatile relay output. Against the ALP121-S00, it provides similar functionality but with enhanced durability for harsh environments.
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