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Siemens 3RH1911-1GA04 Auxiliary Switch Block (4 NO, 4 NC)

Siemens 3RH1911-1GA04 Auxiliary Switch Block, 4 NO + 4 NC, Screw Terminal.

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ManufacturerSiemens

Part number3RH1911-1GA04

Type Auxiliary Switch Block

Manufacturer Siemens

Part Number 3RH1911-1GA04

Contact Configuration 4 NO + 4 NC

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4 Normally Open Contacts 4 Normally Closed Contacts Screw Terminal Connections Attachable to Contactor Relays Supports 4-Pole Contactors EN 50011 Compliance

Product description

The Siemens 3RH1911-1GA04 is an auxiliary switch block designed for use with Siemens contactor relays. It provides 4 normally open (NO) and 4 normally closed (NC) contacts, utilizing screw terminals for connection. This block is intended for 4-pole contactor applications.

This accessory is crucial for expanding the control and signaling capabilities of contactors, enabling interlocking functions, status feedback, and integration into complex control circuits in industrial automation.

Stanlo Automation, a veteran-owned surplus parts distributor, offers hard-to-find components like the Siemens 3RH1911-1GA04. We ensure quality and availability for your MRO and project requirements, specializing in obsolete automation parts.

Technical specifications

Type	Auxiliary Switch Block
Manufacturer	Siemens
Part Number	3RH1911-1GA04
Contact Configuration	4 NO + 4 NC
Terminal Type	Screw Terminal
Application	For Contactor Relays
Pole Count	4-pole
Standard	EN 50011

Common applications

Interlocking Circuits

Feedback Signals

Control Panel Wiring

Automation Systems

Machine Control

Motor Starter Accessories

Compatible systems

Designed for use with Siemens SIRIUS 3RH1 series contactor relays and similar 4-pole contactors.

Also known as

Siemens 3RH1911-1GA04 Auxiliary Contacts SIRIUS 3RH1911-1GA04 Siemens Contactor Auxiliary Block

Replaces / compatible with

This is a phased-out product. The preferred successor is the SIRIUS 3RH2911-1GA04. Consult the successor for current product specifications and availability.

Technical note

Expert tip

Ensure the block is securely mounted to the contactor relay to guarantee reliable electrical connections.

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Frequently asked questions

What is the contact arrangement of the Siemens 3RH1911-1GA04?

The Siemens 3RH1911-1GA04 auxiliary switch block features a configuration of 4 normally open (NO) contacts and 4 normally closed (NC) contacts, designed for easy attachment to Siemens contactor relays.