Pressure switches differ depending on their use: high pressure switches, low pressure switches, double pressure switches, multi-level pressure switches and differential pressure switches.
High and low pressure switches limit an upper or lower pressure value. Double pressure switches control an upper and lower bound in one unit.
Multi-level pressure switches are use in applications such as controlling condenser fans.
Differential pressure switches activate based on a difference between two pressures. They are used in applications such as monitoring oil pressure in refrigerant compressors.
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