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The Johnson Controls H321 is a current sensor designed for high amperage applications. This split core sensor is suitable for HVACR systems and appliance controls. The H321 provides reliable measurement for monitoring current flow.
Ideal for monitoring high current levels in various HVACR applications.
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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