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Siemens 3RH1911-1HA13 SIRIUS Auxiliary Switch Block - 1 NO, 3 NC

Siemens SIRIUS 3RH1911-1HA13 Auxiliary Switch Block with 1 NO, 3 NC contacts.

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ManufacturerSiemens

Part number3RH1911-1HA13

Configuration 1 NO + 3 NC

Terminals Screw

Size S00

Poles 4

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1 NO and 3 NC contacts Screw terminals Size S00 compatibility SIRIUS series Direct mounting to contactors

Product description

The Siemens 3RH1911-1HA13 is an auxiliary switch block from the SIRIUS line, designed to expand the contact capabilities of motor contactors and control relays.

This 4-pole block features 1 normally open (NO) and 3 normally closed (NC) instantaneous contacts, utilizing screw terminals for secure connections. It is designed for size S00 contactors and conforms to EN 50012 standards. This product is phased out, with the SIRIUS 3RH2 series being its successor.

Ideal for industrial control panels, motor control centers, and automation systems, the 3RH1911-1HA13 provides essential auxiliary contacts for signaling and interlocking. Source your automation and electrical components from Stanlo Automation, a veteran-owned business committed to providing reliable surplus parts with exceptional service.

Technical specifications

Configuration	1 NO + 3 NC
Terminals	Screw
Size	S00
Poles	4
Standard	EN 50012
Series	SIRIUS 3RH1911

Common applications

Industrial control panels

Motor control

Automation systems

Signaling circuits

Interlocking circuits

Compatible systems

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

Also known as

Siemens 3RH1911-1HA13 Auxiliary Contact Block SIRIUS 3RH1911-1HA13

Replaces / compatible with

This phased-out product has been replaced by the Siemens SIRIUS 3RH2 series, with the preferred successor being the 3RH2911-1HA13.

Technical note

Expert tip

This auxiliary switch block is a phased-out product; ensure compatibility with your existing system or consider its successor, the 3RH2911-1HA13.

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Frequently asked questions

What are the contact configurations for the Siemens 3RH1911-1HA13 auxiliary switch block?

The Siemens 3RH1911-1HA13 auxiliary switch block is configured with one normally open (NO) contact and three normally closed (NC) contacts. This configuration is suitable for various control and signaling applications.