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Siemens 3RH2122-1AF00 Contactor Relay — 2 NO + 2 NC, 110V AC

Siemens 3RH2122-1AF00 Contactor Relay, 2 NO + 2 NC, 110V AC.

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ManufacturerSiemens

Part number3RH2122-1AF00

Contacts 2 NO + 2 NC

Coil Voltage 110 V AC

Frequency 50/60 Hz

Terminal Type Screw

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12-month warranty

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Veteran-owned

CAGE: 9NK75

2 normally open contacts 2 normally closed contacts 110V AC coil Screw terminal connections Frame size S00

Product description

The Siemens 3RH2122-1AF00 is a compact contactor relay designed for control applications. It features 2 normally open (NO) and 2 normally closed (NC) contacts, with a coil voltage rating of 110V AC at 50/60 Hz. This unit utilizes screw terminals for easy and secure wiring and is built on frame size S00 for space-saving installations.

This contactor relay is widely used in industrial control panels for motor starting circuits, lighting control systems, and other automation tasks requiring reliable switching. Its versatile contact configuration makes it suitable for various logic functions and auxiliary control circuits in sectors like manufacturing, building automation, and HVAC.

Stanlo Automation, a veteran-owned distributor, specializes in providing a wide range of industrial automation parts, including Siemens contactor relays. We offer competitive pricing and quick shipping on the 3RH2122-1AF00 and other essential components, ensuring minimal downtime for your critical systems.

Technical specifications

Contacts	2 NO + 2 NC
Coil Voltage	110 V AC
Frequency	50/60 Hz
Terminal Type	Screw
Frame Size	S00

Common applications

Motor control

Control circuits

Automation systems

HVAC

Lighting control

Compatible systems

SIRIUS 3RH2 Contactor Relays

Also known as

Siemens SIRIUS contactor relay 3RH21221AF00

Replaces / compatible with

Direct replacement for similar Siemens contactor relays with 110V AC coils and S00 frame size. Compatible with various SIRIUS 3RH2 series accessories.

Technical note

Expert tip

Ensure the ambient temperature is within the specified operating range for reliable performance of the 110V AC coil.

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Frequently asked questions

What are the contact configurations for the Siemens 3RH2122-1AF00 contactor relay?

The Siemens 3RH2122-1AF00 contactor relay is equipped with 2 normally open (NO) contacts and 2 normally closed (NC) contacts. This configuration allows for versatile use in control and auxiliary circuits.