Siemens SIRIUS Contactor Relay, 24 V dc Coil, 10 A 24 V dc, 4 NO, 690V ac

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RS Stock No.:
122-9419
Mfr. Part No.:
3RH2140-1JB40
Manufacturer:
Siemens
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Brand

Siemens

Product Type

Contactor Relay

Coil Voltage

24 V dc

Contact Voltage

690V ac

Contact Current

10A

Series

SIRIUS

Function

Coupling Contactor Relay

Mount Type

DIN Rail

Normal State Configuration

4 NO

Auxiliary Contact Configuration

4 NO

Number of Auxiliary Contacts

4

Terminal Type

Screw

Contactor Application

Coupling Relay

Control Circuit Voltage Uc

24 V dc

Operational Current Ie

10A

Minimum Operating Temperature

-25°C

Maximum Operating Temperature

60°C

Standards/Approvals

IEC 60947-5-1

Length

57.5mm

Width

45 mm

Depth

73mm

Pole and Throw Configuration

4

RoHS Status: Exempt

COO (Country of Origin):
DE

Siemens 3RH2 Series Contactor Relay, 24V DC Coil Voltage, 10A Current Rating - 3RH2140-1JB40


This contactor relay is an integral component for automation, designed to efficiently control electrical circuits. With a compact size of 57.5mm in length, 45mm in width, and 73mm in depth, it is compatible with DIN rail mounting, making installation straightforward. Offering a coil voltage of 24V DC and a maximum contact voltage of 690V AC, it is suitable for demanding industrial environments.

Features & Benefits


• Four normally open auxiliary contacts support versatile circuit switching

• Integrated surge suppressor diode increases operational reliability

• Wide temperature range of -25 to +60°C enables usage in extreme conditions

• Screw terminals ensure secure and straightforward connections

• Compliance with high insulation voltage standards for enhanced safety

Applications


• Used for controlling auxiliary circuits in industrial automation

• Suitable for PLC output connections in complex electrical systems

• Ideal in high-temperature environments where reliability is critical

• Implemented in various control systems requiring multiple contacts

What is the anticipated operational lifespan of this relay?


The mechanical service life is typically around 30 million operating cycles, ensuring longevity in various applications.

How does the design affect installation and functionality?


The relay supports screw-type connections for ease of installation on a DIN rail and allows for +/-180° rotation, simplifying alignment during setup.

Can the relay function effectively in high humidity environments?


Yes, it operates efficiently in 10% to 95% relative humidity, making it suitable for diverse industrial settings.

What types of currents can be managed by this relay?


It can handle up to 10A for both AC and DC applications, suitable for various operational demands.

Is there a specific mounting format recommended for this relay?


It is designed for DIN rail mounting, which offers flexibility and ease during installation, promoting optimal use of space.

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