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while the internal motor protection and high-efficiency valving provide stable operation under demanding thermal loads
Whether you are performing a routine swap-out or troubleshooting a chattering unit
it provides the precise airflow control required for optimized system efficiency
Most Lennox boards look for a signal above 1
Siemens Industrial Controls 3RU2136-4FB0 Relay R-22 while the internal motor protectionThe Siemens 3RU2136 4FB0 is a high performance thermal overload relay engineered for heavy duty 3 phase motor protection in industrial HVACR systems. Designed as part of the SIRIUS innovation range, this Size S2 overload relay provides a reliable current setting range of 28 to 40 Amps, making it a standard choice for protecting motors against overheating due to overload or phase failure. Featuring Class 10 tripping characteristics, it ensures rapid
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