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Siemens 3RT2028-1AN20 3-Pole Contactor — 38A 18.5kW

Siemens 3RT2028-1AN20 3-Pole Power Contactor

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ManufacturerSiemens

Part number3RT2028-1AN20

Type Power Contactor

AC-3e/AC-3 Rating 38A, 18.5kW @ 400V

Poles 3

Coil Voltage 220V AC

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CAGE: 9NK75

38A current rating 18.5kW power handling 220V AC coil Supports 50/60 Hz Screw terminals 1 NO + 1 NC auxiliary contacts

Product description

The Siemens 3RT2028-1AN20 is a 3-pole power contactor designed for AC-3e/AC-3 applications, capable of switching loads up to 38A and 18.5kW at 400V. This size S0 contactor utilizes a 220V AC coil and operates at both 50 Hz and 60 Hz frequencies. It features screw terminals for secure installation and includes 1 normally open (NO) and 1 normally closed (NC) auxiliary contact.

This contactor is commonly employed in industrial automation for motor control, power switching, and in control panels for various machinery. Its 220V AC coil is prevalent in many international power systems, making it a versatile component.

Stanlo Automation, a veteran-owned distributor of surplus industrial automation parts, offers the Siemens 3RT2028-1AN20. We provide competitive pricing and reliable service, ensuring you receive quality components to maintain your operational efficiency.

Technical specifications

Type	Power Contactor
AC-3e/AC-3 Rating	38A, 18.5kW @ 400V
Poles	3
Coil Voltage	220V AC
Frequency	50/60 Hz
Auxiliary Contacts	1 NO + 1 NC
Terminal Type	Screw
Size	S0

Common applications

Motor Control

Industrial Machinery

Control Panels

Power Switching

Automation Systems

International Applications

Compatible systems

Compatible with Siemens SIRIUS motor starters, overload relays, and control systems that support S0 size components.

Also known as

Siemens 3RT2028 Contactor SIRIUS 3RT2028 3RT2028-1A 38A Siemens Contactor

Replaces / compatible with

This contactor serves as a direct replacement for Siemens 3RT2028 models with 220V AC coils. It is compatible with Siemens SIRIUS accessories.

Technical note

Expert tip

The screw terminals are designed for firm connections and are suitable for copper conductors, ensuring safe and efficient power transfer.

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Frequently asked questions

What is the coil voltage and frequency support for the Siemens 3RT2028-1AN20?

The Siemens 3RT2028-1AN20 features a 220V AC coil that is designed to operate reliably at both 50 Hz and 60 Hz frequencies, making it suitable for various international power grids.