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Siemens 3RV1901-2A Side Auxiliary Switch - 1 NO + 1 NC

Siemens 3RV1901-2A Side Auxiliary Switch with 1 NO + 1 NC spring terminals.

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ManufacturerSiemens

Part number3RV1901-2A

Contacts 1 NO + 1 NC

Terminal Type Spring-type

Mounting Side

For Circuit Breaker Size S00...S3

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12-month warranty

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Veteran-owned

CAGE: 9NK75

Side mounting Spring-type terminal connections 1 Normally Open contact 1 Normally Closed contact Quick and easy installation

Product description

The Siemens 3RV1901-2A is a side-mountable auxiliary switch designed for Siemens circuit breakers from size S00 to S3. It utilizes spring-type terminals and provides one normally open (NO) and one normally closed (NC) contact.

This auxiliary switch is commonly used in industrial control panels for adding supplementary functions to circuit breakers, such as remote indication of operational status or interlocking circuits. Its spring-type terminals offer quick and efficient installation.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3RV1901-2A. Rely on us for quality components and fast shipping to minimize downtime in your automation projects.

Technical specifications

Contacts	1 NO + 1 NC
Terminal Type	Spring-type
Mounting	Side
For Circuit Breaker Size	S00...S3
Series	SIRIUS 3RV1

Common applications

Industrial control panels

Motor protection

Signaling

Remote status indication

Interlocking circuits

Compatible systems

Siemens 3RV1 circuit breakers size S00, S0, S2, S3

Also known as

Siemens 3RV19012A 3RV1901-2A contact Siemens spring auxiliary switch

Replaces / compatible with

This is a phased-out product. The preferred successor is the SIRIUS 3RV2 series, specifically model 3RV2901-2A.

Technical note

Expert tip

The spring-type terminals of the 3RV1901-2A are designed for solid or finely stranded conductors; ensure proper stripping and insertion for optimal connection.

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Frequently asked questions

What are the advantages of the Siemens 3RV1901-2A's spring-type terminals?

The spring-type terminals on the Siemens 3RV1901-2A auxiliary switch allow for faster installation compared to screw terminals, as they eliminate the need for torquing. This also ensures a reliable and vibration-resistant connection.