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Matthew Wierzbowski Basic Refrigeration Circuit September 2, 2021, 9:38 pm
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What does "RES" mean on a contactor or relay?
Go to your truck, pick up a contactor, and look at it closely. You may find some interesting ratings you never noticed—things like terminal ambient temperature ratings and torque specs. One reading you may overlook is the RES AMPACITY of the contactor or relay. The RES rating is the RESISTIVE LOAD AMPACITY (amperage capacity) or rating. […]Read more
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