3RH1131-1BB40 - Siemens - Control Contactor 3RH11311BB40

Description:

The Siemens 3RH1131-1BB40 Control Contactor is used in industrial control and automation systems to provide reliable switching of auxiliary and control circuits. Commonly installed in control panels, motor control centers, conveyor systems, process automation equipment, and OEM machinery requiring dependable control relay operation. Maintenance teams and system integrators use this part for replacement, retrofit, and expansion of control systems to improve circuit management and operational reliability.

Applications:

The Siemens 3RH1131-1BB40 Control Contactor is widely used in manufacturing facilities, packaging machinery, material handling equipment, process control systems, and industrial automation installations. Its auxiliary contact configuration supports interlocking, signaling, control logic, and switching functions in motor control and automation applications where reliable operation is essential.

Technical Specifications:

• Manufacturer Part Number (MPN): 3RH1131-1BB40
• Brand: Siemens
• Product Type: Control Contactor
• Series: SIRIUS 3RH1
• Contactor Type: Control Relay / Auxiliary Contactor
• Contact Configuration: 3NO + 1NC
• Number of Poles: 4 Pole
• Coil Voltage: 24 VDC
• Frame Size: S00
• Terminal Type: Screw Terminal
• Mounting Type: DIN Rail or Panel Mount
• Rated Operational Current: Up to 10 A
• Protection Rating: IP20
• Application: Industrial Control and Automation Systems
• Standards: IEC 60947-5-1, EN 50011 Compliant
• Operating Temperature: -25°C to +60°C

Common Replacements:

• Siemens 3RH2131-1BB40 Contactor Relay
• Siemens 3TH42 Control Relay
• Schneider Electric CA3KN31 Control Relay