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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
The Trane CNT4821 Limit Switch is a high-reliability safety component engineered for precision thermal monitoring in furnaces and air handlers
suitable for both heating and refrigeration environments
both part numbers refer to the same physical unit
reducing mechanical stress during equipment relocation
the board logic is functioning correctly
Siemens Industrial Controls 3RU2126-4AB0 Relay 318423-701 The Trane CNT4821 Limit SwitchThe Siemens 3RU2126 4AB0 is a high performance thermal overload relay engineered for precise protection of three phase motors in industrial and HVACR applications. Designed for direct mounting on SIRIUS 3RT2 size S0 contactors, this unit provides a reliable current dependent protection solution against excessive temperature rises caused by overloads or phase failure. With an adjustable current setting range of 11 16 Amps and a Class 10 trip rating, it
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