Siemens SIRIUS 3RH2 Contactor Relay, 24 V dc Coil, 10 A, 7NO + 1NC, 690 V ac

Subtotal (1 unit)*

£52.30

(exc. VAT)

£62.76

(inc. VAT)

Add to Basket
Select or type quantity
In Stock
  • 54 unit(s) ready to ship
  • Plus 26 unit(s) ready to ship from another location
  • Plus 999,999,945 unit(s) shipping from 24 October 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 +£52.30

*price indicative

RS Stock No.:
203-2089
Mfr. Part No.:
3RH2271-1BB40
Brand:
Siemens
Find similar products by selecting one or more attributes.
Select all

Brand

Siemens

Coil Voltage

24 V dc

Contact Voltage Rating

690 V ac

Contact Current Rating

10 A

Series

3RH2

Range

SIRIUS

Normal State Configuration

7NO + 1NC

Number Of Auxiliary Contacts

8

Terminal Type

Screw

Length

57.5mm

Width

45mm

Depth

117mm

Load Voltage

690V ac

Load Current

10A

Minimum Operating Temperature

-25°C

Control Voltage

24 Vdc

Mounting Style

DIN Rail

Maximum Operating Temperature

+60°C

COO (Country of Origin):
DE

Siemens 3RH2 Series Contactor Relay, 24V DC Coil Voltage, 690V AC Contact Voltage Rating - 3RH2271-1BB40


This contactor relay is an essential component for electrical control systems, designed to operate efficiently in a variety of industrial applications. With dimensions of 57.5mm in length, 45mm in width, and 117mm in depth, this model provides reliable performance within a wide ambient temperature range of -25°C to +60°C. The unit features a combination of 7 normally open and 1 normally closed contact to facilitate diverse operational needs.

Features & Benefits


• Handles a contact voltage rating of 690V AC for robust performance
• Capable of withstanding operational currents up to 10A for heavy-duty tasks
• Designed with screw-type terminals for secure electrical connections
• Operates effectively in various demanding environments, ensuring reliable service

Applications


• Utilised in automation and control circuits for industrial machinery
• Suitable for managing load currents in motor control setups
• Effective in the protection and control of electrical systems in manufacturing
• Ideal for integration within modular control systems for enhanced functionality

What are the operational limits for the control voltage?


The relay operates efficiently within a control voltage range, specifically designed for 24V DC, ensuring compatibility with various automation systems.

How can the ambient conditions affect the relay's performance?


This unit is designed to function optimally in temperatures between -25°C and +60°C, allowing it to perform reliably even in extreme environments.

What is the significance of the auxiliary contact configuration?


The combination of 7 normally open and 1 normally closed contacts enables flexible circuit design and operational versatility, enhancing control capabilities in complex systems.

What mounting options are available for this relay?


The relay is designed for quick and easy installation on 35mm DIN rails, providing efficient space management in electrical panels.

How does the relay ensure safety during operation?


The positively driven operation feature adheres to safety standards, significantly reducing the risk of dangerous failures, ensuring the safety of operations in critical applications.