Siemens 3TB44170A Three-Phase AC Contactor 3 Pole

Description:

The Siemens 3TB44-17-0A Contactor is used in industrial motor control systems to switch and control electric motors and other high-current electrical loads. Commonly installed in motor starters, control panels, pumps, compressors, conveyor systems, 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 3TB44-17-0A Contactor is used in industrial machinery, motor control centers, process automation systems, and OEM equipment. It provides dependable switching for motors and power circuits in demanding industrial environments.

Technical Specifications:

• Manufacturer Part Number (MPN): 3TB44-17-0A
• Brand: Siemens
• Product Type: Contactor
• Series: 3TB
• Contactor Type: Magnetic Power Contactor
• Number of Poles: 3 Pole
• Auxiliary Contacts: 2NO + 2NC
• Coil Voltage: 110/120 VAC
• Rated Current: 42 A
• AC-1 Current Rating: Up to 50 A
• Motor Rating: Up to 25 HP at 460 VAC
• Rated Voltage: Up to 600 VAC
• Mounting Type: Panel Mount
• Terminal Type: Screw Terminal
• Application: Motor Control and Power Switching
• Function: Switching and Control of Electrical Loads
• Standards: IEC Rated Industrial Contactor

Common Replacements:

• Siemens 3RT1045 Contactor
• Schneider Electric LC1D50 Contactor
• ABB A50 Contactor