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Siemens 3RA2328-8XB30-1AC2 Reversing Contactor Assembly - 38A, 18.5kW

Siemens 3RA2328-8XB30-1AC2 Reversing Contactor Assembly

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ManufacturerSiemens

Part number3RA2328-8XB30-1AC2

AC-3e/AC-3 rating 38 A

Power 18.5 kW @ 400 V

Poles 3

Coil Voltage 24 V AC (50/60 Hz)

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Reversing Contactor Assembly AC-3e/AC-3 Rated 38A Current Rating 24V AC Coil Screw Terminals Electrical and Mechanical Interlock 2 NO Auxiliary Contacts

Product description

The Siemens 3RA2328-8XB30-1AC2 is a 3-pole reversing contactor assembly engineered for AC-3e/AC-3 motor applications. It features a 24V AC coil (50/60 Hz), a substantial 38A current rating, and a high power capacity of 18.5 kW at 400V. This assembly includes essential electrical and mechanical interlocks for safe reversing operation and utilizes screw terminals for reliable wiring. It is equipped with 2 x 1 normally open auxiliary contacts.

This robust contactor assembly is designed for demanding industrial applications requiring frequent motor reversal, such as in heavy-duty cranes, large conveyor systems, and high-power processing machinery found in manufacturing and material handling industries.

Stanlo Automation, a veteran-owned surplus distributor, provides quality industrial components like the Siemens 3RA2328-8XB30-1AC2. We offer competitive pricing and efficient shipping to help you keep your critical automation systems operational.

Technical specifications

AC-3e/AC-3 rating	38 A
Power	18.5 kW @ 400 V
Poles	3
Coil Voltage	24 V AC (50/60 Hz)
Terminals	Screw
Interlocking	Electrical & Mechanical
Auxiliary Contacts	2 x NO

Common applications

Heavy Industrial Motor Control

Cranes and Hoists

Large Conveyor Systems

Manufacturing Machinery

Material Handling

High Power Reversing

Compatible systems

Compatible with Siemens Sirius motor control systems

Also known as

3RA23288XB301AC2 Siemens Sirius 38A Reversing Starter

Replaces / compatible with

This contactor assembly is part of the Siemens Sirius 3RA23 series and is designed for direct replacement or upgrade within compatible systems.

Technical note

Expert tip

Ensure the control circuit supplying the 24V AC coil is adequately protected against overcurrent to prevent damage to the coil or power supply.

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Frequently asked questions

What is the rated power for the Siemens 3RA2328-8XB30-1AC2 reversing contactor assembly at 400V?

The Siemens 3RA2328-8XB30-1AC2 reversing contactor assembly is rated to handle up to 18.5 kW of motor power at a voltage of 400V. This makes it suitable for many high-power industrial motor control applications.