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a constant cut-in control is typically used for off-cycle defrosting
commercial dryers
For technicians troubleshooting airflow tracking or building envelope pressurization
meaning it is designed to limit output current to safe levels under load
Copeland 998-0540-00 Limit Switch 320819-301 a constant cut-in control isThe Copeland 998 0540 00 220F Limit Switch is a critical thermal protection component designed for commercial refrigeration and HVAC compressor safety. This discharge line thermostat monitors internal temperatures to prevent compressor overheating, effectively acting as a high limit cutoff. Engineered with a 220F trip point, the switch triggers when the discharge gas temperature reaches the safety threshold, interrupting the control circuit to protect