Siemens Industrial Controls 3UB81234DW2 Solid State Overload Relay 3PH Man/Auto 5.5-22Amp

Siemens Industrial Controls 3UB81234DW2 3-phase Overload Relay with both manual and automatic reset for motor protection against overload of 5.5-22A. It is a solid-state part that provides better thermal protection by sensing high current flow and breaking the circuit to protect the motor. This relay is widely applied to HVAC systems, air handlers, compressor, and pumps to increase efficiency of the system and increase the durability of the equipment. They are small in size and can easily be installed in control panels, in addition to other features such as manual or automatic reset and phase failure sensitivity.