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the switch will accurately detect negative pressure (vacuum) rise
which is the primary cause of premature compressor replacement
while optimized for BASO
Can this thermostat be used in dual-element systems
MARS 61474 Contactor Els PW 17895 the switch will accurately detectThe MARS 61474 is an industrial grade 3 pole 60 amp contactor engineered for heavy duty switching in commercial refrigeration, large scale HVAC units, and electric heating systems. Operating with a 480V coil, this definite purpose contactor is designed to manage high inductive loads from compressors and motors with minimal arcing. The enclosed body construction protects internal silver cadmium contacts from dust and insect intrusion, ensuring