SIEMENS 3RT2028-1AK60 Contactor

Product Description

The SIEMENS 3RT2028-1AK60 is a SIRIUS 3RT Power Contactor designed for switching and controlling motors and electrical loads in industrial automation systems. It is a 3-pole contactor with a 110 V AC coil (50 Hz) / 120 V AC coil (60 Hz), suitable for motor starters, control panels, and industrial power switching applications.

This model features AC-3/AC-3e utilization category, a rated operational current of 38 A, and supports motor applications up to 18.5 kW at 400 V AC. It includes 1 NO + 1 NC auxiliary contacts for control feedback and interlocking functions.

Detailed Specifications

Advantages & Features

• Original Siemens SIRIUS industrial contactor
• High-performance motor switching capability
• 38 A AC-3 rated current
• 110/120 V AC coil control voltage
• Compact S0 size design
• Integrated auxiliary contacts (1NO + 1NC)
• Screw terminal connection for reliable wiring
• High mechanical durability
• Compatible with Siemens SIRIUS motor starter systems

Applications

• Industrial motor control panels
• Factory automation systems
• Machine tools
• Pumps and fans
• Conveyor systems
• Motor starter assemblies
• Electrical control cabinets
• Production line equipment

Precautions

• Confirm coil voltage (110 V AC / 120 V AC) before installation.
• Verify motor current and power ratings match the contactor specifications.
• Use appropriate overload relay protection with the contactor.
• Disconnect power before installation or maintenance.
• Ensure auxiliary contact wiring matches the control circuit requirements.