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Siemens 3RV1901-2E Transverse Auxiliary Switch - 1 NO + 1 NC

Siemens 3RV1901-2E Transverse Auxiliary Switch with 1 NO + 1 NC spring terminals.

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ManufacturerSiemens

Part number3RV1901-2E

Contacts 1 NO + 1 NC

Terminal Type Spring-type

Mounting Transverse

For Circuit Breaker Size S00...S3

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Transverse mounting Spring-type terminal connections 1 Normally Open contact 1 Normally Closed contact Tool-free wiring

Product description

The Siemens 3RV1901-2E is a transverse auxiliary switch equipped with spring-type terminals, offering one normally open (NO) and one normally closed (NC) contact. It is designed for compatibility with Siemens circuit breakers sized S00 through S3.

This auxiliary switch is suitable for various industrial automation applications, including motor starters and control systems where additional signaling or control contacts are required. The spring terminals facilitate quick and tool-free wiring.

Stanlo Automation, your trusted veteran-owned source for surplus industrial automation components, provides the Siemens 3RV1901-2E. We ensure that you receive quality parts to maintain the efficiency of your systems.

Technical specifications

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

Common applications

Control circuits

Motor starters

Automation systems

Signaling

Electrical distribution

Compatible systems

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

Also known as

Siemens 3RV19012E 3RV1901-2E switch Siemens transverse contact

Replaces / compatible with

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

Technical note

Expert tip

The transverse mounting of the 3RV1901-2E allows for compact integration of auxiliary functions alongside the main circuit breaker.

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Frequently asked questions

What is the primary function of the Siemens 3RV1901-2E transverse auxiliary switch?

The Siemens 3RV1901-2E transverse auxiliary switch provides additional control and signaling capabilities to Siemens circuit breakers. Its 1 NO + 1 NC spring terminals allow it to be used for status indication or interlock functions within automation systems.