Siemens 3RT2028-1AF04 Power Contactor 38A, 3-Pole, 18.5kW / 400V, 110V AC, 50Hz Original Brand New

Overview

The Siemens 3RT2028-1AF04 Power Contactor from the SIRIUS 3RT2 family is a high-performance, 3-pole device designed for switching motors up to 18.5 kW / 400 V (AC-3e/AC-3). As a compact Size S0 contactor, it delivers robust reliability and high contact certainty for industrial control systems. It features a 110 V AC, 50 Hz control coil and is equipped with pre-assembled 2 NO + 2 NC auxiliary contacts, minimizing design complexity and installation time.

Key Features & Function

• Rated Current: 38 A (AC-3/AC-3e)

• Power Capacity: 18.5 kW at 400 V

• Poles: 3-pole configuration

• Coil Voltage: 110 V AC, 50 Hz

• Auxiliary Contacts: 2 NO + 2 NC, providing flexible control options

• Terminal Type: Screw terminals for secure connections

• Size: S0 for compact installations

• Removable Auxiliary Switch: Enhances maintenance and adaptability

Benefit

• Reliable Switching: Ensures consistent operation of industrial motors and equipment.

• Flexible Integration: Multiple auxiliary contacts allow for customizable control circuits.

• Durable Design: High-quality Siemens construction for long-term performance.

• Easy Installation: Screw terminals and removable auxiliary switch simplify setup and maintenance.

• Energy Efficient: AC-3e rating reduces energy losses during operation.

Application

• Motor control and protection

• Industrial automation systems

• Lighting and heating circuits

• Manufacturing and processing plants

• Switchgear assemblies

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