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Siemens 3UB8123-4CW2 Auxiliary Relay | 4NO Contacts

Siemens 3UB8123-4CW2 Auxiliary Relay with 4 NO contacts.

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ManufacturerSiemens

Part number3UB8123-4CW2

Contacts 4 NO

Coil Voltage Varies (check datasheet)

Series 3UB8

Mounting DIN Rail

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4 Normally Open Contacts Reliable Switching Siemens Quality DIN Rail Mountable Compact Design

Product description

The Siemens 3UB8123-4CW2 is a versatile auxiliary relay designed for control circuit applications. It features 4 normally open (NO) contacts, providing reliable switching for various industrial automation tasks. This relay is built to Siemens' high standards for durability and performance in demanding environments.

This auxiliary relay is commonly used in motor control, signaling systems, and complex control panel wiring where additional contact configurations are required. Its application spans across diverse industries including manufacturing, process control, and building automation systems.

Source your Siemens 3UB8123-4CW2 from Stanlo Automation, a veteran-owned business, for reliable access to surplus industrial parts. We ensure quality and availability for your critical automation needs.

Technical specifications

Contacts	4 NO
Coil Voltage	Varies (check datasheet)
Series	3UB8
Mounting	DIN Rail
IP Rating	IP20

Common applications

Motor Control

Signaling Systems

Control Panel Wiring

Industrial Automation

Process Control

Compatible systems

General Control Circuits PLC Output Expansion

Also known as

Siemens 3UB8 Relay 3UB81234CW2

Replaces / compatible with

This relay is designed as a direct replacement for other Siemens 3UB8 series auxiliary relays with similar configurations.

Technical note

Expert tip

Ensure the correct coil voltage is selected for the intended application to prevent damage to the relay or control circuit.

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Frequently asked questions

What are the contact configurations for the Siemens 3UB8123-4CW2?

The Siemens 3UB8123-4CW2 features 4 normally open (NO) contacts. This configuration allows for expansion of control circuits where additional contact points are needed for signaling or interlocking purposes.