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Siemens 3RH1911-1GA31 Auxiliary Switch Block - 3NO/1NC

Siemens 3RH1911-1GA31 4-pole auxiliary switch block with 3 NO / 1 NC.

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ManufacturerSiemens

Part number3RH1911-1GA31

Contacts 3 NO + 1 NC

Terminal Type Screw

Standard EN 50011

Poles 4

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3 Normally Open (NO) contacts 1 Normally Closed (NC) contact Screw terminals for reliable termination Designed for 4-pole contactor relays Compliant with EN 50011 standard

Product description

The Siemens 3RH1911-1GA31 is a 4-pole auxiliary switch block designed for contactor relays, featuring 3 normally open (NO) and 1 normally closed (NC) contact configuration. It employs screw terminals for secure electrical connections and adheres to EN 50011 standards.

This auxiliary switch is suitable for control logic, sequencing, and safety interlock circuits in industrial automation applications. It is frequently utilized in machine control, building automation, and process industries.

Stanlo Automation, a veteran-owned distributor specializing in surplus industrial automation parts, offers the Siemens 3RH1911-1GA31. We provide a reliable source for these essential components to maintain your operational efficiency.

Technical specifications

Contacts	3 NO + 1 NC
Terminal Type	Screw
Standard	EN 50011
Poles	4

Common applications

Control relays

Automation systems

Safety interlocks

Motor control

Industrial automation panels

Compatible systems

Siemens 3RH1 series contactor relays

Also known as

Siemens 3RH1911-1GA31 auxiliary contact Siemens 4-pole auxiliary switch 3RH1911-1GA31 switch block

Replaces / compatible with

This auxiliary switch block is a phased-out product. The preferred successor is the SIRIUS 3RH2911-1GA31. It is designed for use with Siemens contactor relays.

Technical note

Expert tip

Please note that this auxiliary switch block is a discontinued item. The SIRIUS 3RH2911-1GA31 is the preferred successor in the 3RH2 series.

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Frequently asked questions

What are the contact combinations available on the Siemens 3RH1911-1GA31 auxiliary switch block?

The Siemens 3RH1911-1GA31 auxiliary switch block offers a combination of three normally open (NO) contacts and one normally closed (NC) contact. This configuration allows for diverse control logic implementation.