Ram Industries KL-1 Controller

The Ram Industries KL‑1 is a compact motor protection base unit designed for 120 VAC input and up to ⅓ HP output, featuring multiple front connectors including a data terminal and indicator LEDs. Common failure modes on this model include tripped overload relays due to faulty current sensing resistors, burnt capacitors in the power supply section, and degraded contactor contacts that cause intermittent operation or false fault indications. Initial diagnostics should verify proper 120 VAC supply voltage, inspect the main relay and contactor for arcing or wear, and check the data terminal connections for continuity and correct pinout before proceeding to component-level testing.[oss-gpt-20b]

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