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the 2781S is often identified as a Torque Box actuator
If the mechanical venting is clear but the switch fails to close under vacuum
Installation Efficiency: Features unpluggable screw terminal blocks and non-interacting trimmers for rapid differential pressure sensor commissioning
making it suitable for a wide range of hot water and industrial HVAC applications
Johnson Controls CSD-CA1G1-1 Current Switch R-410A the 2781S is often identifiedFor contractors managing motor loads and pump protection, the Johnson Controls CSD CA1G1 1 is a professional grade split core current switch engineered for precise HVAC current monitoring. This unit features an adjustable trip point range of 1. 25 to 135 Amps, allowing for fine tuned calibration in over under current sensing applications. The SPST normally open relay output (integrated status output) handles 10A at 260 VAC, while the 20 30 VAC VDC