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Siemens 3RH1911-1GA22 Auxiliary Switch Block - 2NO/2NC

Siemens 3RH1911-1GA22 4-pole auxiliary switch block with 2 NO / 2 NC.

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ManufacturerSiemens

Part number3RH1911-1GA22

Contacts 2 NO + 2 NC

Terminal Type Screw

Standard EN 50011

Poles 4

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2 Normally Open (NO) contacts 2 Normally Closed (NC) contacts Screw terminals for secure wiring Designed for 4-pole contactor relays Compliant with EN 50011 standard

Product description

The Siemens 3RH1911-1GA22 is a 4-pole auxiliary switch block designed for use with contactor relays. It offers a configuration of 2 normally open (NO) and 2 normally closed (NC) contacts, utilizing screw terminals for reliable connections. This unit conforms to EN 50011 standards.

This auxiliary switch is ideal for implementing complex control sequences and safety interlocks in automation systems. It finds application in various industries, including manufacturing, process automation, and building control.

Stanlo Automation, a veteran-owned distributor of surplus industrial automation parts, stocks the Siemens 3RH1911-1GA22. We are committed to providing essential and hard-to-find components for your industrial needs.

Technical specifications

Contacts	2 NO + 2 NC
Terminal Type	Screw
Standard	EN 50011
Poles	4

Common applications

Control relays

Automation systems

Safety interlocks

Motor control

Industrial automation

Compatible systems

Siemens 3RH1 series contactor relays

Also known as

Siemens 3RH1911-1GA22 auxiliary contact Siemens 4-pole auxiliary switch block 3RH1911-1GA22 switch

Replaces / compatible with

This auxiliary switch block is a phased-out product. The preferred successor is the SIRIUS 3RH2911-1GA22. It is designed for use with Siemens contactor relays.

Technical note

Expert tip

This is a discontinued auxiliary switch block; its preferred replacement is the SIRIUS 3RH2911-1GA22 from the newer 3RH2 series.

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Frequently asked questions

What is the primary application for the Siemens 3RH1911-1GA22 auxiliary switch block?

The Siemens 3RH1911-1GA22 is commonly used in control relay applications to implement various logic functions, safety interlocks, and control sequences within industrial automation systems.