Siemens 3TH2244-0BB4 Contactor 240V 10A W/LG-3TF Murrelektronik Surge Supressor

Industrial contactor relay designed for signal and auxiliary switching applications, featuring a built-in surge suppressor module for coil protection.

Model: 3TH2244-0BB4
Type: Contactor Relay (Series 44E, per EN 50011 standard)
Contact Configuration: 4 Normally Open (NO) + 4 Normally Closed (NC)
Rated Coil Voltage: 240V AC (though the suppressor label indicates 24V DC, verify for specific setup)
Rated Operational Current: 10 Amps (AC-15 @ 230V)
Mounting: DIN rail (standard 35 mm)
Width: 45 mm
Terminal Type: Screw terminals
Standards: IEC 60947-5-1, UL, CSA, EN 50011
Housing: Black molded body with white faceplate
Murrelektronik LG-3TF Surge Suppressor
Function: Suppresses voltage spikes generated when the contactor coil is de-energized
Voltage Rating: 24V DC (specific to this LG-3TF model)
Mounting: Directly clips onto contactor coil terminals
Application: Prevents interference and protects PLC outputs or relay drivers
Combined Application:
Used in industrial automation panels for switching auxiliary functions with high contact density. The surge suppressor extends coil life and ensures safe interfacing with sensitive control electronics. Please review pictures carefully and let us know if you have any questions!