WEG RWB40E-3-A4U040 Overload Relay RWB40E3A4U040

Description:

The WEG RWB40E-3-A4U008 overload relay is used in industrial motor control and automation systems to provide reliable thermal overload and phase failure protection for three-phase motors and contactor assemblies. Commonly installed in manufacturing facilities, conveyor systems, pumping stations, HVAC equipment, and industrial control panels where dependable adjustable motor protection and continuous-duty operation are required. The relay is designed for direct mounting onto compatible WEG contactors and motor starters.

Applications:

The WEG RWB40E-3-A4U008 overload relay is commonly used in motor starters, conveyor systems, compressors, pumps, industrial ventilation systems, and automation equipment where reliable motor overload protection and dependable phase loss detection are critical for safe and continuous operation.

Technical Specifications:

• Brand: WEG
• Part Number: RWB40E-3-A4U008
• Product Type: Electronic Overload Relay
• Relay Series: RWB40E
• Adjustable Current Range: 8-40 Amp
• Number of Poles: 3 Pole
• Protection Type: Electronic Thermal Overload Protection
• Trip Class: Class 10
• Mounting Type: Direct Mount
• Compatible Contactor Models: WEG CWB / CWM Series
• Auxiliary Contacts: 1 NO + 1 NC
• Reset Type: Manual / Automatic Selectable
• Phase Protection: Phase Loss and Current Unbalance Protection
• Rated Insulation Voltage: 690 V
• Rated Operational Frequency: 50/60 Hz
• Operating Function: Motor Overload and Phase Failure Protection
• Compatible Systems: Pumps, Fans, Compressors, Conveyors, and Industrial Machinery
• Industrial Duty Rated: Yes
• Compatible Installations: Motor Control Centers and Automation Panels
• Construction Type: Industrial Electronic Overload Relay Assembly

Common Replacements:

• Allen-Bradley E100 Electronic Overload Relay
• Siemens Sirius Electronic Overload Relay
• Schneider Electric TeSys Electronic Overload Relay