Siemens 3RT1045-1AK60 Contactor 3RT10451AK60

Description:

The Siemens 3RT1045-1AK60 contactor is used in industrial motor control and power switching systems. Commonly installed in motor starters, control panels, compressors, pumps, and HVAC equipment. Maintenance teams, OEMs, and system integrators use this part for replacement, retrofit, and reliable switching of high-power electrical loads.

Applications:

The Siemens 3RT1045-1AK60 is designed for switching and controlling three-phase motors and heavy electrical loads in industrial environments. It is widely used in manufacturing plants, energy systems, HVAC installations, and process industries where frequent motor start/stop operations, durability, and safe electrical control are essential.

Technical Specifications:

• Manufacturer Part Number (MPN): 3RT1045-1AK60
• Product Type: Contactor / Power Contactor
• Series: SIRIUS 3RT10
• Number of Poles: 3-pole
• Rated Current: 80 A
• Rated Voltage: Up to 600 V AC
• Coil Voltage: 110–120 V AC
• Motor Rating: Up to 37 kW @ 400 V
• Mounting Type: DIN rail or panel mount
• Terminal Type: Screw terminals
• Protection Class: IP20
• Application: Three-phase motor switching and control

Common Replacements:

• Siemens 3RT1045-1AP00
• Siemens 3RT1044-1AP60
• Siemens 3RT1046-1AK64