Siemens 3TB40120A Contactor

Description:

The Siemens 3TB40-12-0A Contactor is used in industrial motor control systems to switch and control electric motors and power circuits. Commonly installed in motor starters, control panels, conveyor systems, pumps, compressors, and manufacturing equipment. Maintenance teams and system integrators use this part for replacement, retrofit, and expansion of motor control circuits to ensure reliable switching performance.

Applications:

The Siemens 3TB40-12-0A Contactor is used in industrial machinery, motor control centers, and process automation systems. It provides dependable switching for motors and electrical loads in industrial environments.

Technical Specifications:

• Manufacturer Part Number (MPN): 3TB40-12-0A
• Brand: Siemens
• Product Type: Contactor
• Series: 3TB
• Contactor Type: AC Magnetic Contactor
• Number of Poles: 3 Pole
• Auxiliary Contacts: 1NO + 1NC (1S + 1O)
• Coil Voltage: 110/120 VAC
• Rated Current: 9 A
• Rated Voltage: 600 VAC
• Motor Rating: 3 HP @ 230 VAC
• Motor Rating: 5 HP @ 460 VAC
• Motor Rating: 7.5 HP @ 575 VAC
• Mounting Type: Panel Mount
• Terminal Type: Screw Terminal
• Application: Motor Control and Power Switching
• Function: Switching and Control of Electrical Loads

Common Replacements:

• Siemens 3RT2015 Contactor
• Schneider Electric LC1D09 Contactor
• ABB A9 Contactor