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Siemens A1-116-180-504 Contactor Auxiliary Contact Block

Siemens A1-116-180-504 Auxiliary Contact Block (1NO + 1NC).

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ManufacturerSiemens

Part numberA1-116-180-504

Configuration 1 NO + 1 NC

Mounting Front Mounting

Type Auxiliary Contact Block

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1 Normally Open Contact 1 Normally Closed Contact Front Mounting Design For Siemens Contactors Reliable Operation Signaling and Interlocking

Product description

The Siemens A1-116-180-504 is an auxiliary contact block designed for use with Siemens contactors. This specific model provides one normally open (NO) and one normally closed (NC) contact configuration. It is a front-mounting type, allowing for easy integration with compatible Siemens contactor bodies.

This auxiliary contact block is essential for extending the control circuitry of contactors. It is used in various industrial applications for signaling, interlocking, and providing feedback on the status of the main power contacts. Industries include motor control, power distribution, and building automation.

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Technical specifications

Configuration	1 NO + 1 NC
Mounting	Front Mounting
Type	Auxiliary Contact Block

Common applications

Motor Control

Power Distribution

Control Panels

Automation Systems

Building Automation

Industrial Control

Compatible systems

Compatible with specific Siemens contactor series (e.g., 3RT, 3TF)

Also known as

Siemens Contactor Auxiliary Contact A1-116-180-504 Siemens 1NO 1NC auxiliary contact

Replaces / compatible with

This auxiliary contact block is designed for specific Siemens contactor series. Compatibility with other brands or older Siemens models should be verified.

Technical note

Expert tip

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

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Frequently asked questions

What is the contact configuration of the Siemens A1-116-180-504?

The Siemens A1-116-180-504 auxiliary contact block features one normally open (NO) contact and one normally closed (NC) contact. This allows for versatile use in control and signaling circuits.