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The Viconics R820-PCB-A01 is a solid state relay designed for applications requiring reliable performance. It operates at twenty-four volts AC and can be used in both one-phase and three-phase systems. This electronic printed circuit board (PCB) is a suitable replacement for the 021-0474 model.
This solid state relay provides efficient switching and control in a variety of electrical systems.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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