Siemens 3RT2028-1AC20 Power Contactor 38A, 3-Pole, 24V AC, AC-3/AC-3e Original Brand New

Overview

The Siemens 3RT2028-1AC20 power contactor is designed for reliable switching of motors and electrical loads in industrial and commercial applications. Built with durability and precision, it supports AC-3 and AC-3e duty classes, handling currents up to 38 A and motor ratings up to 18.5 kW at 400 V. Its 3-pole configuration and auxiliary contacts make it ideal for complex control circuits requiring flexible operation.

Key Features

• Rated operational current: 38 A (AC-3/AC-3e)

• Motor control capacity: 18.5 kW / 400 V

• 3-pole contactor for versatile applications

• Coil voltage: 24 V AC, 50/60 Hz

• Auxiliary contacts: 1 NO + 1 NC

• Screw terminals for secure connections

• Compact Size S0 for space-saving installations

• High durability and reliable performance for industrial use

Benefit

• Ensures efficient motor and load control in industrial environments

• Reduces downtime with robust, long-lasting components

• Flexible operation with auxiliary contacts for advanced circuit control

• Easy installation with screw terminal design

• Compatible with standard Siemens S0 motor starter assemblies

• Suitable for both AC-3 and AC-3e switching applications

Applications / Functions

• Switching and controlling motors, pumps, and fans

• Industrial automation and motor starter circuits

• Control of lighting and heating loads

• Integration into electrical panels and motor control centers

• Ideal for commercial and industrial electrical installations

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