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Siemens 3RH1911-2FA31 SIRIUS Auxiliary Switch Block - 3 NO, 1 NC

Siemens 3RH1911-2FA31 SIRIUS Auxiliary Switch Block with 3 NO, 1 NC contacts.

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ManufacturerSiemens

Part number3RH1911-2FA31

Configuration 3 NO + 1 NC

Terminals Spring-type

Size S00

Poles 4

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3 NO and 1 NC contacts Spring-type terminals Size S00 compatibility SIRIUS series 4-pole configuration

Product description

The Siemens 3RH1911-2FA31 is a 4-pole auxiliary switch block from the SIRIUS line, designed to enhance the control capabilities of Siemens auxiliary and motor contactors.

This block features 3 normally open (NO) and 1 normally closed (NC) instantaneous contacts, utilizing spring-type terminals for efficient and secure wiring. It is designed for size S00 contactors and adheres to EN 50005 standards. This product is phased out, with its successor in the SIRIUS 3RH2 series.

This auxiliary switch block is essential for complex control circuits, providing necessary feedback and interlocking functions in industrial automation and machinery. Stanlo Automation, a veteran-owned supplier, provides crucial surplus components like the 3RH1911-2FA31 to keep your operations efficient.

Technical specifications

Configuration	3 NO + 1 NC
Terminals	Spring-type
Size	S00
Poles	4
Standard	EN 50005
Series	SIRIUS 3RH1911

Common applications

Industrial control

Automation systems

Motor control

Machine building

Complex control circuits

Compatible systems

Siemens 3RT1015, 3RT1016, 3RT1017, 3RT1316, 3RT1317, 3RT1515, 3RT1516, 3RT1517, 3RT1617 contactors and 3RH relays.

Also known as

Siemens 3RH1911-2FA31 Auxiliary Contact Block SIRIUS 3RH1911-2FA31

Replaces / compatible with

This phased-out product has been replaced by the Siemens SIRIUS 3RH2 series, with the preferred successor being the 3RH2911-2HA31.

Technical note

Expert tip

This auxiliary switch block is a phased-out product; its successor is within the SIRIUS 3RH2 series (3RH2911-2HA31).

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Frequently asked questions

What is the contact configuration of the Siemens 3RH1911-2FA31 auxiliary switch block?

The Siemens 3RH1911-2FA31 auxiliary switch block features a configuration of three normally open (NO) contacts and one normally closed (NC) contact, providing versatile switching capabilities.