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Siemens 3RA2327-8XB30-2BB4 Reversing Contactor Assembly - 32A, 15kW

Siemens 3RA2327-8XB30-2BB4 Reversing Contactor Assembly

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ManufacturerSiemens

Part number3RA2327-8XB30-2BB4

AC-3e/AC-3 rating 32 A

Power 15 kW @ 400 V

Poles 3

Coil Voltage 24 V DC

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Reversing Contactor Assembly AC-3e/AC-3 Rated 32A Current Rating 24V DC Coil Spring-Loaded Terminals Electrical and Mechanical Interlock 2 NO Auxiliary Contacts

Product description

The Siemens 3RA2327-8XB30-2BB4 is a 3-pole reversing contactor assembly designed for AC-3e/AC-3 motor control. It operates with a 24V DC coil, has a 32A current rating, and can handle loads up to 15 kW at 400V. This model features convenient spring-loaded terminals for secure and vibration-resistant connections, along with built-in electrical and mechanical interlocks for safe operation. It also includes 2 x 1 normally open auxiliary contacts.

This contactor assembly is ideal for high-power reversing motor applications where secure connections and resistance to vibration are critical, such as in heavy machinery, mining, and demanding industrial automation setups.

Stanlo Automation, a veteran-owned business, is your reliable source for surplus industrial parts. We offer the Siemens 3RA2327-8XB30-2BB4 at competitive prices, ensuring you get quality components quickly to minimize operational downtime.

Technical specifications

AC-3e/AC-3 rating	32 A
Power	15 kW @ 400 V
Poles	3
Coil Voltage	24 V DC
Terminals	Spring-loaded
Interlocking	Electrical & Mechanical
Auxiliary Contacts	2 x NO

Common applications

Heavy Industrial Machinery

Mining Operations

Vibration-Prone Automation

DC Control Systems

Reversing Motor Control

Harsh Environments

Compatible systems

Compatible with Siemens Sirius motor control systems

Also known as

3RA23278XB302BB4 Siemens Sirius 32A DC Coil Contactor

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

When using the 24V DC coil, ensure that the power supply is adequately rated for the inrush current during coil energization to prevent voltage drops.

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Frequently asked questions

Can the Siemens 3RA2327-8XB30-2BB4 reversing contactor assembly be used in applications with significant vibration?

Yes, the Siemens 3RA2327-8XB30-2BB4 reversing contactor assembly is an excellent choice for high-vibration environments due to its spring-loaded terminals. These terminals provide a secure, maintenance-free connection that resists loosening from vibration.