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Siemens 3RH2140-2BB40 4 NO Contactor Relay - 24V DC

Siemens 3RH2140-2BB40 Contactor Relay.

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ManufacturerSiemens

Part number3RH2140-2BB40

Type Contactor Relay

Number of NO Contacts 4

Coil Voltage 24 V DC

Terminal Type Spring-loaded

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4 Normally Open Contacts 24V DC Coil Spring-loaded Terminals Frame Size S00 Compact Design Reliable Switching

Product description

The Siemens 3RH2140-2BB40 is a compact contactor relay designed for control circuits. It features 4 normally open (NO) contacts, a 24V DC coil voltage, and utilizes spring-loaded terminals for secure connections. This relay is housed in frame size S00, making it ideal for space-constrained applications.

This contactor relay is commonly used in industrial automation for switching auxiliary circuits, control functions, and signaling. Its robust design ensures reliable operation in various industrial environments, including manufacturing plants, control panels, and machine building.

Source your Siemens 3RH2140-2BB40 from Stanlo Automation, a veteran-owned business specializing in surplus industrial automation parts. We offer competitive pricing and fast shipping to keep your operations running.

Technical specifications

Type	Contactor Relay
Number of NO Contacts	4
Coil Voltage	24 V DC
Terminal Type	Spring-loaded
Frame Size	S00
Auxiliary Contacts	4 NO

Common applications

Control Circuits

Machine Control

Automation Panels

Relay Logic

Signaling Systems

Power Distribution

Compatible systems

General Control Systems PLC Outputs (with appropriate interface) Industrial Control Panels

Also known as

Siemens 3RH2140-2BB40 Contactor 3RH21402BB40 Siemens Contactor Relay S00

Replaces / compatible with

This contactor relay is part of the Siemens SIRIUS 3RH2 series and is designed for modern control applications. It is compatible with standard control system architectures.

Technical note

Expert tip

Ensure the correct polarity is observed when connecting the 24V DC coil for proper operation.

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Frequently asked questions

What are the contact specifications for the Siemens 3RH2140-2BB40?

The Siemens 3RH2140-2BB40 features 4 normally open (NO) contacts. These contacts are suitable for switching control voltages and small loads within their rating.