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Siemens 3RT2028-1AP04 38A 3-Pole Power Contactor

Siemens 3RT2028-1AP04 3-Pole Power Contactor

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ManufacturerSiemens

Part number3RT2028-1AP04

Type Power Contactor

AC-3e/AC-3 Rating 38 A

Power Rating 18.5 kW / 400 V

Poles 3

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AC-3e/AC-3 operation 38A current rating 230V AC coil 2 NO + 2 NC auxiliary contacts Screw terminals Size S0

Product description

The Siemens 3RT2028-1AP04 is a 3-pole power contactor designed for AC-3e/AC-3 applications. It features a robust construction with a current rating of 38A and a power rating of 18.5 kW at 400V. This specific model operates on a 230V AC coil and includes 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts for control and signaling purposes. The contactor is built to Siemens' high standards for reliability and durability in industrial environments.

This power contactor is suitable for a wide range of industrial applications, including motor control, power distribution, and switching in automated systems. It is commonly found in industries such as manufacturing, material handling, and building automation where reliable and safe electrical switching is paramount. Its compact S0 size and screw terminal connections facilitate easy integration into control panels and electrical enclosures.

Source your Siemens 3RT2028-1AP04 power contactor from Stanlo Automation, a trusted veteran-owned distributor of surplus industrial parts. We provide quality components to keep your operations running smoothly, offering competitive pricing and reliable service for all your automation needs.

Technical specifications

Type	Power Contactor
AC-3e/AC-3 Rating	38 A
Power Rating	18.5 kW / 400 V
Poles	3
Coil Voltage	230 V AC
Frequency	50 Hz
Auxiliary Contacts	2 NO + 2 NC
Terminals	Screw
Size	S0
Removable Auxiliary Switch	Yes

Common applications

Motor control

Power switching

Industrial automation

Control panels

Electrical systems

Manufacturing

Compatible systems

Siemens 3RT2 series accessories Siemens Sirius 3RT Series

Also known as

Siemens 3RT2028 Contactor 3RT2028 AC Contactor Siemens S0 Contactor

Replaces / compatible with

Compatible with Siemens 3RT2 series accessories. Please verify exact compatibility for specific retrofits.

Technical note

Expert tip

This contactor features a removable auxiliary switch block, allowing for easy replacement or addition of auxiliary contacts as needed.

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Frequently asked questions

What are the auxiliary contact configurations for the Siemens 3RT2028-1AP04?

The Siemens 3RT2028-1AP04 power contactor is equipped with 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts. These are suitable for control and signaling circuits, providing flexibility in system design.