Siemens 3RT2028-1AC20-0JA0 Power Contactor 38A, 18.5kW, 3-Pole, 24V AC Original Brand New

Overview

The Siemens 3RT2028-1AC20-0JA0 is a high-performance power contactor designed for industrial and commercial electrical applications. With a 3-pole design and a 38 A current rating, it efficiently controls motors and electrical circuits up to 18.5 kW at 400 V. Its reliable construction includes screw terminals, auxiliary contacts, and a compact S0 size, ensuring safe and stable operation even in demanding environments. Ideal for installations in India with a maximum ambient temperature of 50 °C.

Key Features & Function

• High Current Capacity: 38 A rated for AC-3 and AC-3e applications.

• Powerful Motor Control: Supports motors up to 18.5 kW at 400 V.

• Compact Design: Size S0 for space-saving installations.

• Auxiliary Contacts: 1 NO + 1 NC for enhanced control options.

• Durable Construction: Screw terminals ensure secure connections.

• Reliable Operation: Designed for India 40 A and maximum ambient temperature of 50 °C.

• Flexible Voltage Operation: 24 V AC coil, 50/60 Hz frequency.

Benefit

• Ensures reliable motor switching and protection.

• Reduces downtime with durable and long-lasting design.

• Simplifies installation with screw terminals and compact sizing.

• Supports advanced control with auxiliary contacts.

• Ideal for industrial, commercial, and utility applications.

Application

This contactor is primarily used for:

• Switching three-phase motors (e.g., pumps, fans, compressors).
• Controlling resistive loads such as heating elements.
• Integrating into control panels and distribution boards.
• General industrial automation and machinery control.

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