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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
The Siemens 3TX7144-1E4 is a professional-grade 11-pin octal relay socket engineered for industrial control and HVACR logic circuits
Precise Thermal Calibration: Factory-set for a 110-170F temperature range to ensure tight adherence to system safety parameters
ensuring the thermostat scaleplate remains legible and fixed during calibration
which is often a requirement for 208V or 240V circuits to ensure no voltage remains at the element when off
A tripped or blown fuse often indicates a draft issue or soot accumulation on the heat exchanger
Copeland 940-0001-68 Start Relay Els PW 17895 The Siemens 3TX7144-1E4 is aThe Copeland 940 0001 68 Start Relay is a precision engineered potential relay designed for high torque motor starting in commercial refrigeration and residential HVAC systems. Built to handle a 420V rating at 60Hz, this component is critical for ensuring that the start capacitor is dropped out of the circuit at the precise moment the motor reaches its pickup voltage. For technicians servicing Copeland compressors, using an OEM start relay is