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Siemens 3TX4-091-1A Auxiliary Contact Block

Siemens 3TX4-091-1A 1 NO Auxiliary Contact Block

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ManufacturerSiemens

Part number3TX4-091-1A

Contact Configuration 1 NO

Mounting Type Snap-on

Manufacturer Siemens

Series SIRIUS

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1 Normally Open (NO) Contact Snap-on Mounting For Siemens Contactors Extends Contactor Functionality

Product description

The Siemens 3TX4-091-1A is an auxiliary contact block designed to be mounted onto Siemens contactors. It provides one normally open (1 NO) contact, which can be used for signaling, interlocking, or status feedback in control circuits. This block is part of the Siemens SIRIUS line of industrial control components.

This auxiliary contact block is essential for expanding the functionality of contactors in automation systems. It allows for additional control logic and monitoring capabilities without altering the main power circuit. The snap-on mounting mechanism ensures easy and secure attachment to compatible Siemens contactors.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3TX4-091-1A auxiliary contact block. Equip your control systems with reliable components sourced from us.

Technical specifications

Contact Configuration	1 NO
Mounting Type	Snap-on
Manufacturer	Siemens
Series	SIRIUS

Common applications

Motor Starters

Control Panels

Automation Systems

PLC Integration

Status Signaling

Compatible systems

Compatible with various Siemens 3TF and 3TH series contactors.

Also known as

Siemens 1 NO Auxiliary Contact Siemens Contactor Auxiliary Switch

Replaces / compatible with

This auxiliary contact block is designed for use with compatible Siemens contactors, such as those in the 3TF and 3TH series.

Technical note

Expert tip

Ensure the contact block is securely snapped onto the compatible Siemens contactor before energizing the circuit.

What happens next?

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Frequently asked questions

What type of contact does the Siemens 3TX4-091-1A provide?

The Siemens 3TX4-091-1A auxiliary contact block provides one normally open (1 NO) contact. This means the circuit is completed when the contact is activated.