Micro Pressure switches are designed for automatic control of pressure in air compressors and pressurized water plants. The switch breaks the circuit on increase in the pressure to the set value. There are two basic models for single and three phase applications.
Single contact models are suitable for single phase induction motors above 1 HP for use with motor starters and for direct operation of single phase induction motors below 1 HP . Three contact models are suitable for switching 3 Phase induction Motors up to 1 HP that is Direct on Line.