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Siemens 3RH2422-1BB40 Latched Contactor Relay — 24V DC, 2 NO + 2 NC

Siemens 3RH2422-1BB40 Latched Contactor Relay, 24V DC.

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ManufacturerSiemens

Part number3RH2422-1BB40

Contacts 2 NO + 2 NC

Coil Voltage 24V DC

Terminal Type Screw

Frame Size S00

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Latched Operation 2 Normally Open Contacts 2 Normally Closed Contacts 24V DC Coil Screw Terminals Compact Size S00

Product description

The Siemens 3RH2422-1BB40 is a latched contactor relay designed for DC control circuits. It features 2 normally open (NO) and 2 normally closed (NC) contacts, a 24V DC coil voltage, and reliable screw terminals for secure connections. This relay is part of the compact 3RH2 series, ensuring efficient space utilization in control panels.

This latched relay is ideal for applications requiring state retention without continuous power, such as in emergency stop circuits, security systems, or remote control applications where DC power is readily available. It is commonly used in industrial automation and control systems.

Stanlo Automation, a veteran-owned supplier of surplus industrial parts, offers the Siemens 3RH2422-1BB40. We provide quality, tested components to help you complete your projects with reliable and cost-effective solutions.

Technical specifications

Contacts	2 NO + 2 NC
Coil Voltage	24V DC
Terminal Type	Screw
Frame Size	S00
Operation	Latched

Common applications

DC Control Circuits

Industrial Automation

Emergency Stop

Security Systems

Remote Control

Compatible systems

Siemens 3RT2 Contactors Siemens 3RH2 Series Components

Also known as

Siemens 3RH2 DC Relay 3RH2422 DC

Replaces / compatible with

This latched contactor relay is suitable for DC control applications where maintaining a switching state is necessary. It is compatible with Siemens 3RT2 contactors and other 3RH2 series accessories.

Technical note

Expert tip

Utilizing a 24V DC coil makes this latched relay ideal for control panels powered by common DC power supplies found in many automation systems.

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Frequently asked questions

What is the coil voltage for the Siemens 3RH2422-1BB40 latched relay?

The Siemens 3RH2422-1BB40 has a coil voltage of 24V DC. This DC voltage is used to activate and latch the relay's contacts into their respective states.