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Siemens 3RV2901-1D Transverse Auxiliary Switch - 1 Changeover

Siemens 3RV2901-1D transverse auxiliary switch with 1 CO contact.

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ManufacturerSiemens

Part number3RV2901-1D

Contacts 1 CO

Mounting Transverse

Terminal Type Screw

Series 3RV2

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Transverse mountable 1 Changeover (CO) contact Screw terminal connection Versatile NO/NC switching Designed for 3RV2 circuit breakers

Product description

The Siemens 3RV2901-1D is a transverse-mount auxiliary switch featuring a single changeover (CO) contact, also known as a 1 CO contact, with screw terminals. This accessory is designed for use with the 3RV2 series circuit breakers.

This versatile switch is ideal for applications requiring both NO and NC signaling from a single contact. It finds use in control panels, industrial automation, and machine safety systems where monitoring and control logic are complex.

Stanlo Automation, a proud veteran-owned business, is your trusted source for surplus industrial automation components. We offer the Siemens 3RV2901-1D and other essential parts, ensuring you get the functionality you need at a great value.

Technical specifications

Contacts	1 CO
Mounting	Transverse
Terminal Type	Screw
Series	3RV2

Common applications

Status monitoring

Control interlocking

Signal switching

Industrial control

Machine building

Compatible systems

Siemens 3RV2 circuit breakers

Also known as

Siemens 3RV2 transverse contact block 3RV29011D Siemens 1 CO auxiliary

Replaces / compatible with

The 3RV2901-1D provides a single changeover contact for Siemens 3RV2 circuit breakers, suitable for applications needing to monitor both the closed and tripped states.

Technical note

Expert tip

When wired for signaling, the common terminal of the 3RV2901-1D's CO contact can be used to provide either NO or NC feedback based on the breaker's state.

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Frequently asked questions

How is the Siemens 3RV2901-1D auxiliary switch mounted?

The Siemens 3RV2901-1D auxiliary switch is designed for transverse mounting on the 3RV2 circuit breakers. This mounting orientation allows for compact integration within control panels.