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Siemens 3RH1911-2FA22 SIRIUS Auxiliary Switch Block - 2 NO, 2 NC

Siemens 3RH1911-2FA22 SIRIUS Auxiliary Switch Block with 2 NO, 2 NC contacts.

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ManufacturerSiemens

Part number3RH1911-2FA22

Configuration 2 NO + 2 NC

Terminals Spring-type

Size S00

Poles 4

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CAGE: 9NK75

2 NO and 2 NC contacts Spring-type terminals Size S00 compatibility SIRIUS series 4-pole configuration

Product description

The Siemens 3RH1911-2FA22 is a 4-pole auxiliary switch block designed for SIRIUS auxiliary and motor contactors, providing additional control and signaling contacts.

This block features 2 normally open (NO) and 2 normally closed (NC) instantaneous contacts, utilizing spring-type terminals for quick and secure wiring. It is designed for size S00 contactors and conforms to EN 50005 standards. This product is phased out, with the SIRIUS 3RH2 series being its successor.

This auxiliary switch block is crucial for expanding control circuits in industrial automation, machine control, and electrical panels. Stanlo Automation, a veteran-owned surplus parts distributor, offers reliable components to keep your operations running smoothly.

Technical specifications

Configuration	2 NO + 2 NC
Terminals	Spring-type
Size	S00
Poles	4
Standard	EN 50005
Series	SIRIUS 3RH1911

Common applications

Industrial control

Automation systems

Motor control

Machine building

Control panels

Compatible systems

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

Also known as

Siemens 3RH1911-2FA22 Auxiliary Contact Block SIRIUS 3RH1911-2FA22

Replaces / compatible with

This phased-out product has been replaced by the Siemens SIRIUS 3RH2 series, with the preferred successor being the 3RH2911-2FA22.

Technical note

Expert tip

This is a phased-out product. The successor, 3RH2911-2FA22, is part of the SIRIUS 3RH2 series and offers similar functionality with updated design principles.

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Frequently asked questions

What type of terminals does the Siemens 3RH1911-2FA22 auxiliary switch block use?

The Siemens 3RH1911-2FA22 auxiliary switch block uses spring-type terminals, also known as Cage Clamp technology. These provide a fast, vibration-proof, and maintenance-free connection.