Siemens Industrial Controls 3UG5616-1CR20 Relay 320788-702 and domestic hot water loops

and domestic hot water loops where mechanical reliability is paramount

This HVAC pillow block bearing utilized a 52100 steel insert with a black-oxide inner ring to enhance corrosion resistance in humid duct environments

Each unit is pre-lubricated to withstand the rigorous thermal demands of heating and cooling cycles

OEM Compatibility: Specifically engineered for Reznor MAPS III/IV Modular Air Processing Systems and MBH series heaters for a drop-in fit

Siemens Industrial Controls 3UG5616-1CR20 Relay 320788-702 and domestic hot water loopsThe Siemens SIRIUS 3UG5616 1CR20 is a high performance phase monitoring relay designed for precise diagnostics in industrial and HVACR environments. This digitally adjustable voltage monitoring relay provides comprehensive oversight for 3 phase systems, tracking phase sequence, failure, asymmetry, and frequency monitoring across a wide operating range of 90 to 690 V AC. As a successor to the legacy 3UG4 series, it incorporates an intuitive LCD display