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Siemens 3RH1911-1NF11 SIRIUS Solid-State Compatible Auxiliary Switch

Siemens 3RH1911-1NF11 SIRIUS Solid-State Auxiliary Switch Block.

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ManufacturerSiemens

Part number3RH1911-1NF11

Configuration 1 NO + 1 NC (encapsulated)

Terminals Screw

Size S00

Poles 2

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Solid-state compatible Encapsulated contacts 1 NO and 1 NC contacts Screw terminals Size S00 compatibility

Product description

The Siemens 3RH1911-1NF11 is a 2-pole auxiliary switch block from the SIRIUS line, specifically designed to be solid-state compatible. It enhances the functionality of Siemens auxiliary and motor contactors.

This encapsulated block features 1 normally open (NO) and 1 normally closed (NC) contact, using screw terminals for connection. It is designed for size S00 contactors and complies with EN 50005 standards. This product is phased out, with the SIRIUS 3RH2 series, specifically the 3RH2911-1NF11, being its successor.

This component is ideal for integrating with solid-state control systems, providing feedback signals, and enabling complex interlocking logic in industrial automation. Stanlo Automation, a veteran-owned surplus parts distributor, offers this specialized component and other industrial automation solutions.

Technical specifications

Configuration	1 NO + 1 NC (encapsulated)
Terminals	Screw
Size	S00
Poles	2
Standard	EN 50005
Series	SIRIUS 3RH1911

Common applications

Solid-state control systems

Automation

Motor control

Signaling

Interlocking circuits

Compatible systems

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

Also known as

Siemens 3RH1911-1NF11 Auxiliary Contact Block SIRIUS 3RH1911-1NF11

Replaces / compatible with

This phased-out product has been replaced by the Siemens SIRIUS 3RH2 series, with the preferred successor being the 3RH2911-1NF11.

Technical note

Expert tip

This is a phased-out auxiliary switch block designed for solid-state compatibility. Its successor is the 3RH2911-1NF11.

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Frequently asked questions

What makes the Siemens 3RH1911-1NF11 auxiliary switch block 'solid-state compatible'?

The Siemens 3RH1911-1NF11 is solid-state compatible, meaning it is designed to interface safely and effectively with solid-state logic devices or PLCs without causing interference or damage.