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Siemens 3UA7901-1D Auxiliary Switch

Siemens 3UA7901-1D Auxiliary Switch for circuit breakers.

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ManufacturerSiemens

Part number3UA7901-1D

Type Auxiliary Switch

Manufacturer Siemens

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12-month warranty

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CAGE: 9NK75

Provides additional signaling Expands circuit breaker functionality Reliable Siemens quality Easy integration

Product description

The Siemens 3UA7901-1D is an auxiliary switch designed to provide additional signaling and control capabilities for Siemens circuit breakers. This accessory expands the functionality of the main protective device, allowing for remote monitoring and interlocking functions.

This auxiliary switch is commonly used in industrial control panels, motor control centers, and power distribution systems where signaling of breaker status or remote operation is required. Industries such as manufacturing, process control, and building automation benefit from its reliable integration.

Source your Siemens 3UA7901-1D from Stanlo Automation, a veteran-owned distributor committed to providing high-quality surplus industrial parts. We ensure timely delivery and expert support for your automation projects.

Technical specifications

Type	Auxiliary Switch
Manufacturer	Siemens

Common applications

Motor Control Centers

Power Distribution

Industrial Automation

Control Panels

Compatible systems

Siemens 3UA Series Circuit Breakers

Also known as

Siemens 3UA7901-1D 3UA79011D

Replaces / compatible with

Compatible with Siemens 3UA series circuit breakers. Consult Siemens documentation for specific compatibility details.

Technical note

Expert tip

Ensure proper wiring and connection to the main circuit breaker for reliable operation of the auxiliary switch.

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Frequently asked questions

What is the primary function of the Siemens 3UA7901-1D auxiliary switch?

The Siemens 3UA7901-1D auxiliary switch primarily provides additional signaling and control capabilities for Siemens circuit breakers. It allows for remote monitoring of the breaker's status (e.g., tripped or closed) and can be used for interlocking functions in control systems.