Siemens 3RT2028-1AN20 Power Contactor 38A, 18.5 kW, 3-Pole, 220V AC, S0 Size Original Brand New

Overview

The Siemens 3RT2028-1AN20 is a high-performance power contactor engineered for reliable switching of motors and electrical loads in industrial applications. Designed to meet AC-3e/AC-3 operational categories, it delivers exceptional durability and efficiency under frequent switching conditions. With a 38 A rating and 18.5 kW motor capacity at 400 V, this 3-pole contactor ensures stable, long-lasting operation in demanding automation environments. Its built-in auxiliary contacts (1NO + 1NC) and universal 220 V AC coil make it an ideal choice for control panel builders, OEMs, and industrial automation systems.

Key Benefit

• High Switching Performance: Optimized for AC-3e/AC-3 applications to ensure reliable motor and load control.

• Compact S0 Design: Saves panel space without compromising on power capacity.

• Long Service Life: Siemens quality engineering provides consistent performance even in heavy-duty use.

• Universal Compatibility: 220 V AC coil allows easy integration into standard control circuits.

• Enhanced Safety & Control: Includes 1NO + 1NC auxiliary contacts for monitoring and control flexibility.

• Fast & Secure Installation: Screw terminal design ensures stable and safe wiring connections.

Function

• Motor Switching: Ideal for switching 3-phase motors up to 18.5 kW at 400 V.

• Load Control: Handles resistive and inductive loads in industrial automation systems.

• Auxiliary Control Signaling: Integrated auxiliary contacts support control status feedback.

• Power Distribution Systems: Functions reliably in control panels, machinery, and OEM equipment.

Technical Specification

• Product Type: Power Contactor

• Model Number: 3RT2028-1AN20

• Operational Category: AC-3e / AC-3

• Rated Current: 38 A

• Motor Power: 18.5 kW (at 400 V)

• Poles: 3-pole

• Coil Voltage: 220 V AC, 50/60 Hz

• Auxiliary Contacts: 1 NO + 1 NC

• Terminal Type: Screw terminal

• Size: S0

• Brand: Siemens

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