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Siemens 3UB81234DW2 Auxiliary Relay | 2NO, 2NC Contacts

Siemens 3UB81234DW2 Auxiliary Relay with 2 NO and 2 NC contacts.

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ManufacturerSiemens

Part number3UB81234DW2

Contacts 2 NO, 2 NC

Coil Voltage Varies (check datasheet)

Series 3UB8

Mounting DIN Rail

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2 Normally Open Contacts 2 Normally Closed Contacts Mixed Contact Configuration Siemens Quality DIN Rail Mountable

Product description

The Siemens 3UB81234DW2 is a versatile auxiliary relay equipped with 2 normally open (NO) and 2 normally closed (NC) contacts. This mixed configuration allows for complex control logic and signaling in industrial automation systems. Built to Siemens' exacting standards, it ensures reliability and longevity.

This relay is suitable for applications requiring both signal indication and circuit breaking, such as motor starters with auxiliary contacts for status feedback or control logic. Industries benefiting from this relay include general manufacturing, machinery, and automation solutions.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3UB81234DW2. Rely on us for quality surplus components to keep your operations running smoothly.

Technical specifications

Contacts	2 NO, 2 NC
Coil Voltage	Varies (check datasheet)
Series	3UB8
Mounting	DIN Rail
IP Rating	IP20

Common applications

Motor Starters

Control Logic

Status Feedback

Signaling Systems

Industrial Automation

Compatible systems

Control Logic Systems PLC Output Expansion Industrial Control Panels

Also known as

Siemens 3UB8 Relay 3UB81234DW2

Replaces / compatible with

This relay serves as a direct replacement for other Siemens 3UB8 series auxiliary relays offering a similar combination of NO and NC contacts.

Technical note

Expert tip

Carefully plan your wiring to utilize both the normally open and normally closed contacts effectively for optimal control circuit design.

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Frequently asked questions

How can the Siemens 3UB81234DW2 relay be used in control panels?

The Siemens 3UB81234DW2, with its split contact configuration (2NO, 2NC), is highly useful in control panels for implementing interlocking logic, providing status feedback (e.g., motor running, fault), and expanding control circuit capabilities.