Home › Manufacturers › Siemens › 3RH1911-1HA22

Siemens

Siemens 3RH1911-1HA22 SIRIUS Auxiliary Switch Block - 2 NO, 2 NC

Siemens 3RH1911-1HA22 SIRIUS Auxiliary Switch Block with 2 NO, 2 NC contacts.

● In Stock 12-Mo Warranty Same-Day Dispatch Ships Worldwide 🎖 Veteran-Owned

In Stock — Ready to Ship

ManufacturerSiemens

Part number3RH1911-1HA22

Configuration 2 NO + 2 NC

Terminals Screw

Size S00

Poles 4

Get a price for 3RH1911-1HA22

Response within 1 business hour

🛡

12-month warranty

All units tested

⚡

Same-day dispatch

Order by 2pm CST

🌐

Worldwide delivery

US, EU, Asia, Middle East

🎖

Veteran-owned

CAGE: 9NK75

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

Product description

The Siemens 3RH1911-1HA22 is a 4-pole auxiliary switch block designed for Siemens SIRIUS motor contactors and control relays. It expands the contact capabilities of the main contactor.

This unit features 2 normally open (NO) and 2 normally closed (NC) instantaneous contacts, using screw terminals for reliable connection. It is compatible with size S00 contactors and adheres to EN 50012 standards. As a phased-out product, its successor is in the SIRIUS 3RH2 series.

Essential for creating complex control circuits, providing status feedback, and implementing safety interlocks, this auxiliary switch block is vital in industrial automation. Stanlo Automation, a veteran-owned surplus parts distributor, offers this and other industrial components, ensuring you get reliable parts for your automation needs.

Technical specifications

Configuration	2 NO + 2 NC
Terminals	Screw
Size	S00
Poles	4
Standard	EN 50012
Series	SIRIUS 3RH1911

Common applications

Industrial control

Automation systems

Motor control centers

Machine building

Feedback signaling

Compatible systems

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

Also known as

Siemens 3RH1911-1HA22 Auxiliary Contact Block SIRIUS 3RH1911-1HA22

Replaces / compatible with

This phased-out product has been superseded by the Siemens SIRIUS 3RH2 series, with the preferred successor being the 3RH2911-1HA22.

Technical note

Expert tip

This auxiliary switch block is a discontinued item. Its successor, the 3RH2911-1HA22, offers similar functionality within the updated SIRIUS 3RH2 line.

What happens next?

Email confirmation

Immediate receipt acknowledgment sent to you

Account manager assigned

Confirms your part's spec and condition

Your quote delivered

Tailored to your specific requirements

Frequently asked questions

What type of terminals does the Siemens 3RH1911-1HA22 auxiliary switch block use?

The Siemens 3RH1911-1HA22 auxiliary switch block utilizes screw terminals, which provide a secure and reliable connection for wiring in industrial control applications.