Siemens 3RT2028-1AG20-0JA0 Power Contactor 38A 3-Pole AC-3, 18.5 kW / 400V, 110V AC, Screw Terminal, S0 Original Brand New

Overview

The Siemens 3RT2028-1AG20-0JA0 power contactor is a high-performance device designed for reliable switching of motors and industrial electrical loads. With a rated current of 38 A and AC-3e/AC-3 capacity, it can handle loads up to 18.5 kW at 400 V, making it ideal for demanding applications in manufacturing and industrial automation. Built with precision screw terminals and compact S0 size, this contactor ensures easy installation and long-lasting operation under harsh conditions.

Key Features & Benefit

• High Load Capacity: Supports up to 38 A, 18.5 kW / 400 V for robust motor control.

• Durable 3-Pole Design: Ensures stable and reliable switching for AC-3e/AC-3 applications.

• Auxiliary Contacts: Includes 1 NO + 1 NC contacts for additional circuit control and signaling.

• Versatile Voltage Range: Operates efficiently at 110 V AC, 50/60 Hz.

• Compact & Easy Installation: Size S0 and screw terminal design for secure and space-saving setups.

• Industrial Reliability: Rated for India 40 A and ambient temperature up to 50 °C, ideal for heavy-duty environments.

Functionality

Siemens 3RT2028-1AG20-0JA0 is designed to safely switch electrical loads, primarily for AC motors and industrial circuits. The auxiliary contacts allow for monitoring and control integration, while the screw terminals ensure a secure connection that withstands industrial vibrations and operational stress.

Application

• Motor starters and industrial automation

• Manufacturing machinery

• HVAC and pump systems

• Power distribution and control panels

• General electrical load switching in industrial setups

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