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Siemens 3RH1911-1FA02 Auxiliary Switch Block - 2 NC, Screw Terminals

Siemens 3RH1911-1FA02 Auxiliary Switch Block, 2 NC

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ManufacturerSiemens

Part number3RH1911-1FA02

Contacts 2 NC

Terminal Type Screw

Size S00

Series SIRIUS 3RH11

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2 Normally Closed Contacts Screw Terminal Connections Size S00 For SIRIUS 3RH11 Contactors EN 50005 Compliant

Product description

The Siemens 3RH1911-1FA02 is an auxiliary switch block from the SIRIUS 3RH11 series, specifically designed for use with auxiliary and motor contactors. This unit features 2 normally closed (NC) contacts and utilizes screw terminals for connection. It is designed for Size S00 and is noted as a phased-out product, with successors available in the SIRIUS 3RH2 series.

This auxiliary switch block is crucial for implementing safety interlocks, signaling fault conditions, or providing status feedback in automated systems. Its 2 NC configuration is commonly used in safety circuits where a normally closed contact is required to maintain a safe state until activated.

Stanlo Automation, a veteran-owned surplus parts distributor, is pleased to offer the Siemens 3RH1911-1FA02. We specialize in providing reliable industrial automation components, including those that are no longer in current production. Trust Stanlo for quality surplus parts and efficient service.

Technical specifications

Contacts	2 NC
Terminal Type	Screw
Size	S00
Series	SIRIUS 3RH11
Application	Auxiliary and motor contactors
Status	Phased-out

Common applications

Safety Circuits

Interlocking

Fault Signaling

Control Panel Monitoring

Industrial Automation

Compatible systems

SIRIUS 3RH11 auxiliary contactors SIRIUS 3RH11 motor contactors

Also known as

Siemens 3RH11911FA02 3RH11911FA02 Siemens 2 NC auxiliary contact

Replaces / compatible with

The Siemens 3RH1911-1FA02 is an auxiliary switch block for the SIRIUS 3RH11 series. Its preferred successor is the Siemens SIRIUS 3RH2911-1HA02.

Technical note

Expert tip

This 3RH1911-1FA02 auxiliary switch block provides 2 NC contacts for SIRIUS 3RH11 contactors, compliant with EN 50005, and is a phased-out part with a successor in the 3RH2 series.

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Frequently asked questions

What is the purpose of the Siemens 3RH1911-1FA02 auxiliary switch block?

The Siemens 3RH1911-1FA02 is an auxiliary switch block designed to add 2 normally closed (NC) contacts to SIRIUS 3RH11 contactors. These NC contacts are often used in safety circuits or for monitoring functions.