Product Overview
The Siemens 3RT2028-1AL20 is a high-performance 3-pole power contactor designed for AC-3 and AC-3e applications. Engineered to handle up to 38A and 18.5kW at 400V, this contactor is ideal for motor control, automation systems, and industrial switching applications. Its compact S0 size and robust build ensure seamless integration and long-term durability in a wide range of electrical control systems.
Key Benefit
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Reliable Motor Control: Handles high starting currents with ease for motors up to 18.5 kW.
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Compact Design: S0 size fits easily into control panels with limited space.
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Versatile Application: Suitable for a wide range of industrial and commercial AC-3e/AC-3 switching operations.
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Integrated Auxiliary Contacts: Includes 1 NO + 1 NC for extended control functions.
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Global Compatibility: Operates at 230V AC, 50/60 Hz – ideal for international use.
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Durable and Safe: Siemens quality ensures high electrical endurance and mechanical life.
Functions & Features
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Type: Power Contactor
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Part Number: 3RT2028-1AL20
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Rated Operational Current: 38 A (AC-3)
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Motor Rating: 18.5 kW at 400 V
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Poles: 3-Pole
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Coil Voltage: 230 V AC, 50/60 Hz
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Auxiliary Contacts: 1 NO + 1 NC
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Terminal Type: Screw terminals
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Size: S0 (Compact form factor)
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Mounting: DIN rail or panel mounting
Application
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Motor starters and protection systems
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HVAC systems and industrial automation
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Conveyor systems and manufacturing lines
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Pumps, fans, and compressors
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