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Siemens 3RH2122-2BB40 Contactor Relay: 2 NO + 2 NC, 24V DC

Siemens 3RH2122-2BB40 contactor relay with 2 NO + 2 NC contacts.

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ManufacturerSiemens

Part number3RH2122-2BB40

Contacts 2 NO + 2 NC

Coil Voltage 24V DC

Terminal Type Spring-loaded

Frame Size S00

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2 Normally Open, 2 Normally Closed Contacts 24V DC Coil Voltage Spring-Loaded Terminal Connections Frame Size S00 DC Operation

Product description

The Siemens 3RH2122-2BB40 is a contactor relay designed with 2 normally open (NO) and 2 normally closed (NC) contacts. It features a 24V DC coil voltage and uses spring-loaded terminals for easy and reliable connections. This relay is part of the S00 frame size series, making it compact and suitable for various control panel applications.

This DC-operated contactor relay is ideal for applications requiring low-voltage DC control, such as in battery-powered systems, mobile equipment, or specialized industrial control panels. Its application spans across various sectors including logistics, material handling, and specialized machinery.

Stanlo Automation, a veteran-owned distributor specializing in surplus industrial automation parts, offers the Siemens 3RH2122-2BB40. Sourcing from Stanlo ensures access to dependable components that can help minimize downtime and optimize operational costs for your facility.

Technical specifications

Contacts	2 NO + 2 NC
Coil Voltage	24V DC
Terminal Type	Spring-loaded
Frame Size	S00

Common applications

Industrial Control Panels

DC Control Systems

Material Handling

Mobile Equipment

Automation Solutions

Compatible systems

DC Control Systems Industrial Automation Panels

Also known as

Siemens 3RH2122-2BB40 relay Siemens DC Contactor Relay 3RH21 DC Relay

Replaces / compatible with

This contactor relay is a standard component for DC control circuits. Check compatibility with existing Siemens control systems or specific application requirements.

Technical note

Expert tip

The 24V DC coil on the 3RH2122-2BB40 is ideal for integration into low-voltage DC control systems, offering safety and compatibility with many PLC outputs.

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Frequently asked questions

Can the Siemens 3RH2122-2BB40 be used in applications with frequent vibrations?

Yes, the Siemens 3RH2122-2BB40 features spring-loaded terminals, which provide a secure and vibration-resistant connection. This makes it well-suited for use in environments with significant mechanical movement or vibration.