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Siemens 3RH1122-2AB00 Contactor Relay 24V AC, 2 NO + 2 NC

Siemens 3RH1122-2AB00 Contactor Relay for auxiliary circuits.

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ManufacturerSiemens

Part number3RH1122-2AB00

Part Number 3RH1122-2AB00

Manufacturer Siemens

Type Contactor Relay

Voltage 24 V AC (50/60 Hz)

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12-month warranty

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Veteran-owned

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2 NO + 2 NC contacts 24V AC coil Size S00 Spring-type terminals Auxiliary circuit control

Product description

The Siemens 3RH1122-2AB00 is a contactor relay designed for auxiliary circuits, featuring 2 normally open (NO) and 2 normally closed (NC) contacts. It operates on a 24V AC coil voltage (50/60 Hz) and is constructed for size S00. This relay utilizes spring-type terminals for secure and efficient connections. It is part of the SIRIUS 3RH11 series.

This contactor relay is ideal for various control and switching applications in industrial settings, including building automation, HVAC systems, and lighting controls. Its AC coil makes it suitable for systems powered by standard AC voltages common in many industrial environments.

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Technical specifications

Part Number	3RH1122-2AB00
Manufacturer	Siemens
Type	Contactor Relay
Voltage	24 V AC (50/60 Hz)
Contacts	2 NO + 2 NC
Size	S00
Termination	Spring-type Terminal

Common applications

Building automation

HVAC control

Lighting control

Industrial control panels

Machine controls

Auxiliary functions

Compatible systems

General AC control systems Automation panels Electrical enclosures

Also known as

Siemens 3RH1122-2AB00 SIRIUS 3RH11 AC Contactor Relay Siemens 24V AC Auxiliary Relay

Replaces / compatible with

This part is a phased-out product with a successor being the SIRIUS 3RH2 series, specifically the 3RH2122-2AB00.

Technical note

Expert tip

The spring-type terminals offer vibration resistance, making this relay suitable for applications where mechanical shock or vibration is a concern.

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Frequently asked questions

What type of terminals does the Siemens 3RH1122-2AB00 use?

The Siemens 3RH1122-2AB00 contactor relay features spring-type terminals. This provides a secure and reliable connection without the need for screw tightening.