Siemens SIRIUS 3RH2 Contactor Relay, 24 V dc Coil, 10 A, 4NO + 4NC, 690 V ac
- RS Stock No.:
- 136-3673
- Mfr. Part No.:
- 3RH2244-2BB40
- Brand:
- Siemens
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£52.30
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£62.76
(inc. VAT)
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Units | Per unit |
|---|---|
| 1 + | £52.30 |
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- RS Stock No.:
- 136-3673
- Mfr. Part No.:
- 3RH2244-2BB40
- Brand:
- Siemens
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| 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 | 4NO + 4NC | |
| Number Of Auxiliary Contacts | 4 | |
| Auxiliary Contact Configuration | 4NO + 4NC | |
| Terminal Type | Spring Load | |
| Length | 70mm | |
| Width | 45mm | |
| Depth | 121mm | |
| Maximum Operating Temperature | +60°C | |
| Minimum Operating Temperature | -25°C | |
| Load Current | 10A | |
| Control Voltage | 24 Vdc | |
| Mounting Style | DIN Rail Mount | |
| Load Voltage | 690V ac | |
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 4NO + 4NC | ||
Number Of Auxiliary Contacts 4 | ||
Auxiliary Contact Configuration 4NO + 4NC | ||
Terminal Type Spring Load | ||
Length 70mm | ||
Width 45mm | ||
Depth 121mm | ||
Maximum Operating Temperature +60°C | ||
Minimum Operating Temperature -25°C | ||
Load Current 10A | ||
Control Voltage 24 Vdc | ||
Mounting Style DIN Rail Mount | ||
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
• 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
• 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.