steve
Got hold of Sime for a Carrier card for…
Got hold of Sime for a Carrier card for a chiller. Machine down in a factory. Received the new card in express time machine and plant now up and running fantastic service form Sime
3 weeks ago
3TX4431-2A
Siemens 3TX4431-2A available at EU Automation. Get in touch today for a quick price.
Based on over 4900 reviews
Full 12-month warranty
Available for dispatch immediately
We deliver worldwide
What happens next?
1. Email confirmation
You will get an email confirming that we have received your enquiry.
2. Dedicated Account Manager
One of our team will be in touch to confirm your part(s) specification and condition.
3. Your quote
You will receive a comprehensive quote tailored to your specific needs.
All orders are subject to product availability. See our T&Cs.
Ask our team
What happens next?
1. Email confirmation
You will get an email confirming that we have received your enquiry.
2. Dedicated Account Manager
One of our team will be in touch to confirm your part(s) specification and condition.
3. Your quote
You will receive a comprehensive quote tailored to your specific needs.
The Siemens 3TX4431-2A is a high-quality auxiliary switch block designed for seamless integration with contactor relays and motor contactors. This component is engineered to meet the stringent requirements of EN 50005, ensuring reliable performance in a variety of industrial applications. With an insulation voltage rated at 690 V and an impulse voltage resistance of 6 kV, it offers robust protection for your electrical circuits.
Featuring a snap-on mounting design, the 3TX4431-2A allows for quick and easy installation, saving valuable time during setup or maintenance. The switch block is compact, with dimensions of 45 x 25 x 24 mm, making it suitable for use in space-constrained environments. It is equipped with screw-type terminals, providing a secure and reliable connection for auxiliary and control current circuits.
The 3TX4431-2A boasts an impressive mechanical operating cycle of 10 million, highlighting its durability and long service life. It includes 3 normally open (NO) contacts and 1 normally closed (NC) contact for instantaneous switching, catering to a wide range of control and signalling functions.
This auxiliary switch block operates efficiently across a broad ambient temperature range, from -25°C to +55°C during operation and -55°C to +80°C during storage, ensuring consistent performance under varying environmental conditions. With an IP20 protection class rating on the front, it is safeguarded against solid objects larger than 12.5 mm, adding an extra layer of durability.
The 3TX4431-2A is a testament to Siemens' commitment to quality and reliability, making it an essential component for industrial control systems requiring precise and dependable auxiliary switching capabilities.
Featuring a snap-on mounting design, the 3TX4431-2A allows for quick and easy installation, saving valuable time during setup or maintenance. The switch block is compact, with dimensions of 45 x 25 x 24 mm, making it suitable for use in space-constrained environments. It is equipped with screw-type terminals, providing a secure and reliable connection for auxiliary and control current circuits.
The 3TX4431-2A boasts an impressive mechanical operating cycle of 10 million, highlighting its durability and long service life. It includes 3 normally open (NO) contacts and 1 normally closed (NC) contact for instantaneous switching, catering to a wide range of control and signalling functions.
This auxiliary switch block operates efficiently across a broad ambient temperature range, from -25°C to +55°C during operation and -55°C to +80°C during storage, ensuring consistent performance under varying environmental conditions. With an IP20 protection class rating on the front, it is safeguarded against solid objects larger than 12.5 mm, adding an extra layer of durability.
The 3TX4431-2A is a testament to Siemens' commitment to quality and reliability, making it an essential component for industrial control systems requiring precise and dependable auxiliary switching capabilities.
| Specification | Description |
|---|---|
| Part Number | 3TX4431-2A |
| Alternative Part Number | 3TX44312A |
| Manufacturer | Siemens |
| Product Type | Auxiliary Switch Block |
| Insulation Voltage | 690 V |
| Mounting Type | Snap-On Mount |
| Contact Configuration | 3NO (Normally Open) / 1NC (Normally Closed) |
| Protection Class | IP20 |
| Terminal Type | Screw |
| Mechanical Operating Cycles | 10,000,000 cycles |
| Rated Operating Current | 10 A |
| Dimensions | 45 x 25 x 24 mm |
| Ambient Operating Temperature Range | -25 … +55 °C |
| Storage Temperature Range | -55 … +80 °C |
| Insulation Voltage with Pollution 3 | Rated value 690 V |
| Impulse Voltage Resistance | Rated value 6 kV |
| Operating Current at AC-12 | 10 A at 24 V / 230 V, Maximum 10 A |
| Operating Current at AC-14 | 10 A at 125 V |
| Operating Current at AC-15 | 10 A at 24 V, 5.6 A at 230 V, 3.6 A at 400 V, 2.3 A at 690 V |
| Operating Current at DC-13 | 10 A at 24 V, 5 A at 60 V, 1.14 A at 110 V, 0.48 A at 220 V |
| Mounting Dimensions | Width 12 mm, Height 70 mm, Depth 51.5 mm |
| Electrical Connection | Screw-type terminals for auxiliary and control current circuit |
| Connectable Conductor Cross-section | 2x (0.5 ... 1.0 mm²), 2x (0.75 ... 2.5 mm²) for auxiliary contacts, 2x (18 ... 12) AWG |
| Positively Driven Operation | Compliant with IEC 60947-5-1 |
| Commodity Code | 853650 |
What is the insulation voltage rating for this auxiliary switch block?
The insulation voltage rating for the Siemens 3TX4431-2A auxiliary switch block is 690 V, with a degree of pollution 3.
Can this auxiliary switch block be used with motor contactors?
Yes, the auxiliary switch block is designed for use with contactor relays and motor contactors according to EN 50005.
What is the IP protection class of this auxiliary switch block?
The IP protection class for this auxiliary switch block is IP20, which provides protection against solid objects larger than 12mm but not against water.
What are the operating and storage temperature ranges for this part?
The operating temperature range is from -25°C to +55°C, and the storage temperature range is from -55°C to +80°C.
How many mechanical operating cycles can this auxiliary switch block withstand?
The auxiliary switch block is rated for typically 10,000,000 mechanical operating cycles.
What is the impulse voltage resistance of this part?
The impulse voltage resistance of the auxiliary switch block is rated at 6 kV.
What are the dimensions of the auxiliary switch block?
The dimensions of the auxiliary switch block are 45 mm in width, 25 mm in height, and 24 mm in depth.
What type of mounting does this auxiliary switch block support?
The auxiliary switch block supports snap-on mounting for easy installation.
What is the maximum operating current for the auxiliary contacts at AC-12?
The maximum operating current for the auxiliary contacts at AC-12 is 10 A.
How many normally open (NO) and normally closed (NC) contacts does this auxiliary switch block have?
The auxiliary switch block has 3 normally open (NO) contacts and 1 normally closed (NC) contact.
- Integration into motor control circuits for additional switching capabilities
- Expansion of contactor relay functions in industrial automation systems
- Use in control panels to provide auxiliary contact feedback signals
- Implementation in HVAC systems for enhanced control and monitoring
- Application in conveyor systems for start/stop operations
- Inclusion in pump control circuits for additional safety interlocks
- Utilisation in manufacturing equipment for process automation
- Installation in lighting control systems for complex switching arrangements
- Employment in packaging machinery for sequential control tasks
- Incorporation in material handling systems for operational enhancements
This content has been produced using multiple sources. EU Automation takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
Delivery
- Logistic partners UPS, FedEx and DHL
- International delivery available
- Premium nine hour delivery service available to anywhere in Europe
- Same day dispatch from group stock
Warranty
All parts new or reconditioned are covered by EU Automation 12 month warranty
Returns
No hassle returns policy
Dedicated customer support team
Payment
Trade CreditWe understand that credit is a necessary part of business and offer credit agreements on request, subject to status.
Payment optionsWe accept Bank transfers and the following methods of payment:
All transactions are handled securely by HSBC and HSBC Merchant Services. For more information, please visit our dedicated payments page.
Services
Sourcing your part
Global supplier of quality automation and control components
Service Exchange
Dispose of your old unit by exchanging it for a working part.
Repair
A comprehensive repair service for faulty equipment.
Customer reviews
steve
Daniel
Excellent customer service...
Alex Bailey is my main point of contact at EU Automation...he is extremely friendly, has exceptional customer service skills and always offers great pricing & lead times.
2 months ago
Jerry Schrink
Tom Higgins provided amazing service
Tom Higgins provided great prompt service. I contacted Tom by phone and within 10 minutes there was a quote in my in box. WOW Thank you Tom and Thank you EU Automation!
2 months ago
Paulo Pereira
Excellent service and communication…
Excellent service and communication from Alex Bailey. He truly goes above and beyond to ensure his clients are 100% satisfied. The entire process was seamless, and his attention to detail made a huge difference. Highly recommended for anyone looking for amazing service!
2 months ago
Gary
Tom Higgins did a great job at getting…
Tom Higgins did a great job at getting us the part we needed. He saw a concern with the part a verified before shipping.
3 months ago
Lessle Smith
Thomas Higgins has gone above and…
Thomas Higgins has gone above and beyond to make things happen for my facility. His customer service and knowledge were an asset in helping me with my order and the logistics challenges!
4 months ago
Our world, made possible by manufacturing. Manufacturing made possible by EU Automation.
Discover how we do our part to keep your production lines moving.