Overload - 3UA42 00-7AM - 30 to 45A - SIEMENS 3UA Relay 3UA42007AM

Description:

The Siemens 3UA42 00-7AM Overload Relay is used in industrial motor protection systems to provide thermal overload protection for electric motors against excessive current conditions. Commonly installed with motor starters, contactors, pumps, compressors, conveyors, and manufacturing equipment requiring reliable motor protection. Maintenance teams and system integrators use this part for replacement, retrofit, and expansion of motor control systems to help prevent motor damage and reduce downtime.

Applications:

The Siemens 3UA42 00-7AM Overload Relay is used in motor control centers, industrial machinery, HVAC systems, conveyor equipment, and process automation systems. It monitors motor current and disconnects the circuit during overload conditions to protect motors from overheating and premature failure.

Technical Specifications:

• Manufacturer Part Number (MPN): 3UA42 00-7AM
• Brand: Siemens
• Product Type: Overload Relay
• Series: 3UA
• Relay Type: Thermal Overload Relay
• Current Adjustment Range: 30 A to 45 A
• Mounting Type: Direct Contactor Mount
• Compatible Contactors: Siemens 3TB and 3TF Series
• Reset Type: Manual and Automatic Reset
• Trip Mechanism: Thermal Bi-Metallic
• Phase Failure Protection: Yes
• Auxiliary Contacts: 1NO + 1NC
• Application: Motor Protection Systems
• Function: Overload Detection and Motor Protection
• Installation Environment: Industrial Applications

Common Replacements:

• Siemens 3RU2146 Overload Relay
• Schneider Electric LRD3363 Overload Relay
• ABB TA75DU Overload Relay