Siemens SIRIUS 3TF Size 14, 3TF6 Contactor, 230 V ac Coil, 3-Pole, 630 A, 3NO, 400 V ac
- RS Stock No.:
- 751-8707
- Mfr. Part No.:
- 3TF6844-0CM7
- Brand:
- Siemens
Subtotal (1 unit)*
£4,754.40
(exc. VAT)
£5,705.28
(inc. VAT)
FREE delivery for orders over £50.00
Temporarily out of stock
- Shipping from 03 November 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 + | £4,754.40 |
*price indicative
Alternative
This product is not currently available. Here is our alternative recommendation.
Each
£3,250.10
(exc. VAT)
£3,900.12
(inc. VAT)
- RS Stock No.:
- 751-8707
- Mfr. Part No.:
- 3TF6844-0CM7
- 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 | 230 V ac | |
| Number of Poles | 3 | |
| Contact Voltage Rating | 400 V ac | |
| Contact Current Rating | 630 A | |
| Series | Size 14, 3TF6 | |
| Range | SIRIUS 3TF | |
| Normal State Configuration | 3NO | |
| Number Of Auxiliary Contacts | 8 | |
| Terminal Type | Screw | |
| Length | 276mm | |
| Width | 230mm | |
| Depth | 237mm | |
| Minimum Operating Temperature | -25°C | |
| Maximum Operating Temperature | +55°C | |
Select all | ||
|---|---|---|
Brand Siemens | ||
Coil Voltage 230 V ac | ||
Number of Poles 3 | ||
Contact Voltage Rating 400 V ac | ||
Contact Current Rating 630 A | ||
Series Size 14, 3TF6 | ||
Range SIRIUS 3TF | ||
Normal State Configuration 3NO | ||
Number Of Auxiliary Contacts 8 | ||
Terminal Type Screw | ||
Length 276mm | ||
Width 230mm | ||
Depth 237mm | ||
Minimum Operating Temperature -25°C | ||
Maximum Operating Temperature +55°C | ||
- COO (Country of Origin):
- TR
Siemens size 14, 3TF6 Series Contactor, 3-pole Configuration, 630A Current Rating - 3TF6844-0CM7
This contactor is a critical component in industrial automation applications. Designed for high-performance switching, it supports a 3-pole configuration and operates efficiently within a coil voltage of 230V AC. The robust design accommodates maximum operating temperatures of +55°C and minimum temperatures down to -25°C, ensuring reliability across diverse environments.
Features & Benefits
• Offers a power rating of 600kW, ideal for demanding usage
• Auxiliary contact configuration includes 4NO + 4NC for versatility
• Operates at 230V AC coil voltage for optimal performance
• Designed for easy mounting with screw fixing for stability
• Auxiliary contact configuration includes 4NO + 4NC for versatility
• Operates at 230V AC coil voltage for optimal performance
• Designed for easy mounting with screw fixing for stability
Applications
• Used for motor control in automation systems
• Suitable for switchgear in electrical distribution
• Ideal for requiring high power switching
• Frequently used in industrial machinery control circuits
• Suitable for switchgear in electrical distribution
• Ideal for requiring high power switching
• Frequently used in industrial machinery control circuits
What are the operational limits for this contactor?
It operates effectively within ambient temperatures ranging from -25°C to +55°C, ensuring adaptability in various environments. The contactor can handle a rated current of 630A under AC-3 conditions at 400V.
How can I integrate this into my existing system?
This contactor is compatible with screw-type terminals, allowing seamless integration into most existing electrical setups. The auxiliary contact configuration enhances its functionality whilst ensuring adaptability in dynamic applications.
What maintenance does this contactor require?
Regular inspections for connection integrity and contact wear can help maintain its performance. Additionally, ensuring that the device operates within its specified temperature range will prolong its lifespan and reliability.
What is the significance of the auxiliary contact configuration?
The auxiliary contact configuration provides additional control options within your automation setup, allowing for enhanced functionality, such as signalling or interlocking applications, which can increase system efficiency and safety.
