Siemens SIRIUS 3RH2 Contactor Relay, 24 V dc Coil, 10 A, 4NO + 4NC, 690 V ac

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£52.30

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£62.76

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RS Stock No.:
136-3673
Mfr. Part No.:
3RH2244-2BB40
Brand:
Siemens
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Brand

Siemens

Coil Voltage

24 V dc

Contact Voltage Rating

690 V ac

Contact Current Rating

10 A

Range

SIRIUS

Series

3RH2

Normal State Configuration

4NO + 4NC

Number Of Auxiliary Contacts

4

Auxiliary Contact Configuration

4NO + 4NC

Terminal Type

Spring Load

Length

70mm

Width

45mm

Depth

121mm

Load Current

10A

Maximum Operating Temperature

+60°C

Mounting Style

DIN Rail Mount

Control Voltage

24 Vdc

Minimum Operating Temperature

-25°C

Load Voltage

690V ac

COO (Country of Origin):
DE

Siemens 3RH2 Series Contactor Relay, 10A Current Rating, 24V DC Coil Voltage - 3RH2244-2BB40


This contactor relay is an essential component for industrial automation. With a coil voltage of 24V DC and a robust contact current rating of 10A, this relay is built to handle demanding environments. The convenient DIN rail mount design and compact dimensions of 70mm in height, 45mm in width, and 121mm in depth make it suitable for tight spaces.

Features & Benefits


• 4NO + 4NC configuration enhances operational versatility
• Spring-loaded terminals ensure secure and reliable connections
• High AC contact voltage rating of 690V accommodates diverse requirements
• Mechanical service life of up to 10 million cycles guarantees long-term reliability
• Auxiliary contact configuration provides additional functionality for control circuits

Applications


• Used for controlling motors in industrial machinery
• Effective in lighting controls for automated systems
• Suitable for various electrical control panels and circuits
• Ideal for use in systems requiring reliable switching operations

What are the operational limits for temperature and humidity?


It operates efficiently within a temperature range of -25°C to +60°C and can withstand relative humidity levels of up to 95% at 55°C, making it suitable for diverse environments.

How is the contactor relay mounted and what are the requirements for spacing?


The relay can be installed on a vertical mounting surface and requires a spacing of 10mm with side-by-side mounting to ensure proper airflow and functionality.

What is the maximum switching frequency for the contactor?


The contactor can manage a maximum no-load switching frequency of up to 10,000 operations per hour for both AC and DC applications.

What type of terminals does the relay use?


It features spring-loaded terminals designed for easy and secure electrical connections, accommodating various conductor cross-sections for flexibility in installation.

How does the product manage electrical safety?


The relay is designed with a front protection class of IP20 and has positively driven operation, ensuring safety and reliability during use.